Planting more than just asparagus? Asparagus takes a few seasons to mature but will reap a harvest for 15 to 30 years, so choose a planting location that will go undisturbed for a long time. First Growing Season. In addition to feeding your plants, this organic fertilizer feeds the beneficial microbes in the soil that help those plants take up more nutrition. All rights reserved. Amend your soil the fall before planting asparagus crowns to boost potassium and phosphorus. After the first growing season, asparagus plants do not require frequent irrigation because of the deep and extensive root system. 1. Ideal daytime temperatures during the growing season are 75° to 85° F with night temperatures from 60° to 70° F. Early spears can be frost damaged which results in dark-colored spears that collapse within 24 hours after frost exposure. Good soil moisture is important at planting for good root and fern growth. Rutgers, The State University of New Jersey Space plants 12 to 18 inches apart. An understanding of the types of weeds to control and a plan of action for each weed type is recommended to ensure effective control and high yields of a high-quality asparagus. The soil pH should be maintained between 6.5 and 6.8. The common asparagus beetle (Figure 1) is a serious pest every year. Asparagus (Asparagus officinalis) is a perennial crop that can thrive for 15 years or more when well-cared for. You can pick mature asparagus once they reach 8 inches tall. If you want to put some aside to enjoy in the months to come, blanch them in boiling water for 3 to 5 minutes, douse in cold water, wrap, and freeze. Asparagus can be grown in most parts of the country but does especially well in cooler regions with longer, colder winters. How to Winterize Asparagus Plants. How much your family enjoys asparagus determines how many plants you will need. A well-drained bed will have minimal disease problems. Select a field that has not previously been planted in asparagus for at least ten years. If your plants are young, the fresh asparagus season may last a couple of weeks. At first picking, the 1 yr old crowns produced almost twice as much as the 2 yr old crowns. Individuals with disabilities are Dean, B. Washington asparagus production guide. New hybrid varieties that have some rust resistance will reduce reliance on fungicide applications. With the right care, an asparagus bed can produce for 10 to 20 years. Weeds may become a problem since the bed isn't tilled yearly. Asparagus also forms roots near the soil surface and doesn't tolerate root damage, which makes cultivating and other weed control practices difficult. Usually, you can control them with hand picking. Cornell University Cooperative Extension, Ithaca, NY. Feed your plants with Miracle-Gro® Performance Organics® Edibles Plant Nutrition Granules regularly during the growing season, following the directions on the label. Smooth the ridge with a 5' wide field cultivation tool set at a height to avoid damaging the underlying crowns or emerging spears. Cut back the 4 to 6-foot tall foliage, or the ferns as they are called, after frost has turned them brown. Bold colors. Enjoy dabbling in the diversity of deliciousness you’ll find in our Foodie Fresh collection. A quick guide to asparagus. Tetrault, R., McNab, A.A., Ferretti, P.A., and Orzolek, M.D., (1986) Asparagus Production for Small-Scale Growers and Gardeners, U/Ed/ 86–601. Maintain good soil moisture through early September with irrigation (approximately 2 inches of water every 10–14 days) as needed. And it’s blessed with the best upbringing a young plant can have: Miracle-Gro Head Start. If it is a family favorite or you plan to freeze some for later, you will need more. Rust can be partially controlled using fungicides. When inspiration grows all around you, you can’t help but create masterpieces. Cooperating Agencies: Rutgers, The State University of New Jersey, U.S. Department of Agriculture, and County Boards of Chosen Freeholders. Install overhead or drip irrigation, and maintain favorable soil moisture conditions with irrigation as needed. Asparagus (Asparagus officinalis L.) is considered a tasty and highly nutritious vegetable plant that lives up to 20 years. Apply potassium and other recommended amendments according to the soil test. Before you buy the plants, you need a prepared bed. Careful preparation makes the journey easier. Asparagus can be grown from seed, but most home gardeners plant 1-year-old crowns. A perennial asparagus bed requires some labor for initial planting, but it can provide a low-maintenance supply of the perennial vegetables for twenty years or more. Take a soil sample and obtain a complete analysis including pH, major, secondary, and minor nutrients. This vegetable sinks roots up to 10 feet deep and produces delicious stems from 15 to 30 years. Therefore, it is essential to carefully plan your marketing, production, and harvesting goals to establish and sustain a financially successful long-term asparagus operation on a small acreage farm. Reduce the duration of harvest if brush vigor was low in the fall of the previous growing season. From page 19---three German experts advocate 4'-5' between rows and 3 1/2 between plants. (See more on that below.) Then it is time to stop and let them grow, gaining strength for next spring. Perennial asparagus can produce a spring or early summer crop of edible spears for 15 years or more. These periods of dormancy allow asparagus stalks to grow more robustly in the spring than they do in warmer regions with milder winters. Once your rows are level with the soil line, lay down a layer of mulch to retain soil moisture and prevent weeds. Apply super phosphate in the furrows based on soil test results. During the growing season, feed regularly with a continuous-release plant food. Plant a soybean cover crop and then incorporate it into the soil when it is mature and green. For more on that, check out our How to Plant a Fall Garden article.). Then apply fertilizer, ridge the rows, and prepare the soil as directed for year two. Beetles can kill very young seedlings and seriously damage ferns of mature plants. When weeds first appear, cultivate to destroy weeds, and till soil in the furrow, being careful to avoid covering asparagus foliage. Asparagus loses quality rapidly after harvest. Asparagus helps to sell and compliments other early crops such as strawberries and bedding plants. It is the same with asparagus. Plant vigor declines, spear size and yield decreases, and weaker plants may die. Crowns should be kept cool (under 40° F) to prevent dehydration and bud growth during storage. Planting asparagus is like preparing for a trip. These plants can grow up to 5 feet in height and have a root system that will go down at least 6 feet. Planting infested seed or infected crowns can lead to a rapid buildup of the pathogen in the soil and crowns that will drastically reduce yields of the asparagus and permanently contaminate the field for asparagus planting in the future. Wait until your second or third season to harvest. New Jersey Agricultural Experiment Station Spears for commercial markets are usually trimmed at the cut or butt end; sized by diameter into small, medium, large, and jumbo categories; and bundled into 1 or 1.5 pound bunches for retail sale. After about 4 weeks, side dress with 25–50 lb. Asparagus production, management and marketing, Ohio State University Extension Bulletin 826 (USA). To avoid this happening, plan to harvest at least every other day. Rutgers is an equal access/equal opportunity institution. The closer in-row spacing usually produces a higher yield during the first two or three harvest seasons. You can start asparagus from seed or from one-year-old roots, called “crowns.” Crowns grow vertically and horizontally. Apply the amount of lime (calcitic or dolomitic) recommended by a soil test to bring soil pH to 6.7–6.8. 2. Plant multiple asparagus fern divisions in the same planter to give the plants a fuller, more established look. of nitrogen/A from calcium nitrate over the furrow. Asparagus plants lose vigor, become more susceptible to root rot, and ultimately die in poorly drained areas or following prolonged high rainfall. Select and obtain high quality se… A. Plant healthy, certified 1-year-old crowns; never use 2- or 3-year-old crowns. Deep rip or sub soil the field to eliminate compaction and break up any hard pan. Observe plants for insects and apply recommended controls. Photo credits: Top row l - r: Tom Orton (asparagus), Tom Orton (asparagus field), Fred McGrady (asparagus harvest); Rick VanVranken (Figure 1). Asparagus is a perennial, so you want to plant it where it can stay put. Apply 20 pounds of 10-20-10 fertilizer or mature compost per 1,000 square feet of soil. In spring, dig 6- to 8-inch deep rows and plant asparagus 12 to 18 inches apart. Most markets prefer the standard 9-inch long, all-green spear. 1. Just drop them into a bucket of soapy water. However, established plants can produce much longer, as much as 8 weeks. Insufficient soil moisture in periods of dry weather may result in subsequent reductions in yield. Asparagus takes a few seasons to mature but will reap a harvest for 15 to 30 years, so choose a planting location that will go undisturbed for a long time. Plant asparagus in spring or fall in a sunny spot with nutrient-rich, well-drained soil. The other day I saw 3 year old asparagus crowns. However, asparagus requires a high initial investment and ongoing maintenance costs and offers no net income until the third or fourth growing season. Sugars are respired and converted to lignin fibers resulting in a loss of sweet flavor and an increase in toughness. Asparagus is usually planted in the form of bare-root crowns. Early in the season, while asparagus shoot buds are still dormant (late February or early March), mow off the brush from the first growing season with a rotary mower. Apply 50–75 lb. Weekly applications of irrigation sufficient to wet the soil 8 inches deep should be adequate. Adult beetles are ¼ inch long with shiny black wings that have red margins and three yellow spots on each wing. Several diseases impact asparagus, and the purchasing or production of certified crowns is a priority. After harvest, apply 50 lb. Ext Bull Mich State Univ Coop Ext Serv. Between-row cultivation can be conducted during the growing season, if care is taken to avoid compaction damage to plants in the production rows. In spring, after danger of frost has passed, dig a depression 6 to 8 inches deep running the length of the row, mounding the improved soil on each side for later use. Asparagus is an excellent crop to offer to roadside stand and farmer's market customers because it is one of the early season highlights in New Jersey. As a result, shoots and ferns wilt, turn yellow, and die. The spears will continue to grow in the box and if head space is not provided, the spears will curve. As asparagus grows taller, backfill the rows with soil until it is eventually level with the garden bed. Asparagus is unusual because, unlike many other plants in a home vegetable garden, it is a perennial that can grow and produce spears for up to 20 years. Several species of aphids, mites, and thrips are often a serious problem, especially on smaller or younger plants. Asparagus plants are either male or female. Know your asparagus pests. Quick Guide to Growing Asparagus. As one of the few perennial vegetables, asparagus must grow in a permanent location. Asparagus is most productive when grown on deep, well drained sandy loam soils. Job Opportunities | Webmaster. The asparagus beetle is the most damaging insect to asparagus. Till soil, and fill in furrows so that furrows are level with beds by mid-September. Plant healthy, certified 1-year-old crowns; never use 2- or 3-year-old crowns. Choose its spot in the garden carefully. Asparagus grows in U.S. Department of Agriculture plant hardiness zones 4 through 9. They overwinter in debris in and around the field. The male plants are more productive and all male F1 hybrids are available with their … One of the biggest issues farmers need to consider when growing asparagus is site selection. Medium to high fertility produces the highest yield and quality asparagus. Asparagus, or garden asparagus, folk name sparrow grass, scientific name Asparagus officinalis, is a perennial flowering plant species in the genus Asparagus.Its young shoots are used as a spring vegetable.. A well-established, well-cared for asparagus (Asparagus officinalis) bed is the garden's gift that keeps on giving. In the fall, the rust-colored areas produce black, overwintering spores that can infect the plant the following year. School of Environmental and Biological Sciences, New Jersey Agricultural Experiment Station, Office of Continuing Professional Education, 2019 Mid-Atlantic Commercial Vegetable Production Recommendations, Report Accessibility Barrier or Provide Feedback Form, Rutgers, The State University of New Jersey, Executive Dean of Agriculture and Natural Resources, Stephen Garrison, Professor Emeritus, Rutgers New Jersey Agricultural Experiment Station, Jennifer Matthews, Senior Program Coordinator, Agriculture and Natural Resources, Cumberland County, Meredith Melendez, Agriculture and Natural Resources Agent, Mercer County, Peter Nitzsche, Agriculture and Natural Resources Agent, Morris County, 5-foot field cultivator or 4-foot rototiller. That’s why spears from the grocery store or from the refrigerator should always be trimmed to remove any tough tissue before cooking. Because the soil is so rich, invaders can take hold quickly. Adequate soil moisture is important during the first growing season. Feed in spring with complete fertilizer. Organic production of asparagus is challenging due to increased time commitment and high labor costs associated with weed control and the lack of effective organic pest controls. Thanks to their fleshy roots, plants can go for some time without water, but they grow better when watered regularly. The duration of your harvest will depend on the vigor of your plants. Trim out old shoots to make room for new growth. A good start is 10 plants for each person. In autumn, prepare the soil by mixing in several inches of organic matter (think compost or aged leaves) or compost-enriched Miracle-Gro® Performance Organics® All Purpose In-Ground Soil with the native soil in each row. Cantaluppi, C. J., and Precheur, R. (1993). Asparagus, one of the most reliable of the perennial vegetables, produces an early harvest of tender spears in the spring. Find your favorite — try our interactive tomato chooser! The most serious disease of asparagus is Fusarium root and crown rot, a soil-borne disease. They will remain in the same place in your garden for many years—15, 20, sometimes 30. Miracle-Gro® Performance Organics® Edibles Plant Nutrition Granules. After frost, plants often come back from roots. Asparagus plants are perennial bushes that can live up to 15 or 20 years, with appropriate care. The number and quality demands of targeted customers must be considered to determine acreage. Plant a fall wheat cover crop, and plow it under in the spring as soon as soil conditions are favorable. Go ahead and pick all the spears each time you harvest. Plants need to be allowed to mature before you can harvest. Asparagus may be marketed successfully through roadside markets, pick-your-own, restaurants, CSA programs, or farmer's markets. Propagation. Apply the recommended pre-emergence herbicide at the full season rate. Acceptable varieties for the Mid-Atlantic U.S. include. Asparagus Plumosus House Plant in a 12cm Pot - Asparagus Fern Plant. Make a 7-inch deep furrow with a middle buster or specially-designed furrow shaper in early April. How to Cultivate an Asparagus Bed. Maintain temperature at 35–40° F with high humidity during transit and display prior to sale. How to Replant Asparagus. This is nothing like a tomato or a pepper plant. 88 Lipman Drive, New Brunswick, NJ 08901-8525 Get gardening info on the go with our free app, HOMEGROWN with Bonnie Plants. Take time to make a cozy bed. Apply fungicides in late July and again in mid-August and early September to control foliar diseases. Weed management within rows is imperative and can include hand-weeding, mulching, or flame weeding. In addition to great soil, asparagus needs a steady supply of plant food to grow its best. Spears contaminated with beetle eggs may be unmarketable. Asparagales (asparagoid lilies) is an order of plants in modern classification systems such as the Angiosperm Phylogeny Group (APG) and the Angiosperm Phylogeny Web.The order takes its name from the type family Asparagaceae and is placed in the monocots amongst the lilioid monocots.The order has only recently been recognized in classification systems. Sandsted, R. F., Wilcox, D. A., Zitter, T. A., & Muka, A. They were expensive, but it was almost closing time and I was excited about the idea of being able to harvest asparagus the same year. As plants grow taller, rake a little of the soil on the edge of the row into the depression where plants are growing. Information bulletin 202. Ornamental asparagus will survive light frosts but may be killed to ground by severe cold. An asparagus plant can last 15 years. Shallow cultivation should be used to control winter annual weeds in the spring. Planting at the right depth is important. Selecting the correct variety is critical for the success of your operation. Crowns from 2-year-old asparagus plants can be harvested lightly the year after you plant them, but these larger roots are also more susceptible to transplant shock than 1-year crowns. Observe plants for the presence of insects, and apply recommended controls as needed. First of all, you need to choose the right spot. Apply the pre-emergence herbicides at half the full season rate. Only disease-free seeds or crowns should be used. The best time to check for asparagus beetles is in the afternoon when they are most active. How well you prepare the bed determines the vigor of your asparagus patch for years to come. These crowns, or roots, were grown from seed by nurseries and commercial growers. If crowns vary in size, sort small and large crowns, and plant like-size crowns in blocks. Crowns should be kept cool (under 40° F) to prevent dehydration and bud growth during storage. Discard those that have grown too large. Avoid inter-planting small and large crowns because the large crowns will tend to out-compete small crowns and may prevent the long-term survival of the small crowns, leaving gaps in the stands. Severe rust infestations can destroy much of the foliage and reduce the yield of the next year's crop. When you see a Bonnie Harvest Select plant, you should know that it has success grown right into it-helping you get a head-turning harvest and mouth-dazzling taste. You can buy asparagus seed, but it is more usual to cultivate from one-year-old asparagus crowns. Select and obtain high quality seeds or crowns of a male hybrid variety that has been tested and performs well in the Mid-Atlantic area. Some growers snap the spears just above the soil level. Feathery and fern-like, it adds…, The free gardening app you've been waiting for. Allow space between the top of the spears and the box cover. Do You Put Salt on Asparagus Plants?. Jersey Giant Male Asparagus Root,Large Crowns,2 Year Old, (Free UK Postage) (5-Crowns) By bjxhgarden 9.6 View Product ... Asparagus Fern Plant By carbeth-plants 7.0 View Product 7.0 Also, the knife can spread any disease from one plant to the next. Planting new vigorous asparagus varieties that are adaptable to local conditions and reducing plant stress will help minimize the damage from Fusarium root and crown rot. Evaluate the field for perennial weed populations as they can seriously affect the quality and quantity of the crop and harvest. Place crowns in the furrows with the apical buds oriented upward, 12 to 15 inches apart in the row. Fresh asparagus is a treat every summer when the stalks emerge from the ground. Mulch for the winter, or grow a cool-season cover crop that can be turned under before planting in spring. I asked the guy if they could be harvested this year, and he said yes. Building a box for your asparagus plants will keep them organized and tidy. Keeping the bed weed-free is important to avoid competition with your asparagus plants. This will help excess water drain away from the crown during the winter. It is essential to shade harvested asparagus and quickly move it to a cooler environment or the packing house to prevent moisture loss and heating. Over-harvesting depletes the crown of photosynthetic energy reserves, reduces foliar vigor, and decreases spear yields in subsequent years. Base the duration of harvest on the vigor of the brush in the fall of the previous growing season. Soon the bed will be level. Asparagus plants have pretty ferny foliage, and as such are equally at home in the herbaceous border as they are in the vegetable patch. with Rutgers websites to: accessibility@rutgers.edu or complete the Report Accessibility Barrier or Provide Feedback Form. Rutgers Cooperative Extension, a unit of the Rutgers New Jersey Agricultural Experiment Station, is an equal opportunity program provider and employer. Asparagus should be packed vertically into ventilated shipping containers that can withstand moisture and prevent the spears from damage. Weed management must be planned prior to planting the crop. New varieties. What Time of Year Is Asparagus Planted?. Asparagus can be stored up to 10 days if held between 32–36° F at 90–98% relative humidity. Frost injury can be reduced by ridging soil onto raised beds when preparing the field in the spring, selecting a variety that emerges late, or selecting a site that has heavier soils that warm more slowly, thus delaying spear emergence beyond the threat of frost. Washington State University Extension Bulletin, 997. Apply fungicides in late July and again in mid-August and early September to control foliage diseases. Start looking for these pests in early May or just after asparagus plants emerge and continue for the rest of the growing season. You’ll be rewarded in the long run! nitrogen/A followed by post emergence herbicides. The asparagus rust fungus causes premature yellowing and death of the foliage. Unmarketable, small, and defective spears are cut and left in the field. These fibers form as a result of the injury of cutting. (1976). A 15-inch spacing on 66-inch centers gives 6,336 crowns/A. The most important part of growing asparagus is to realize that it will take a couple of seasons before you taste the first bite of homegrown asparagus. Many seasoned gardeners use a knife to cut below the soil line, but it is important to avoid cutting into emerging spears nearby. Each spring, this perennial produces abundant spears ready for harvest. This is a good time to control weeds because the asparagus are dormant. Proper field preparation the year prior to planting asparagus is critical to the success of the crop. Copyright © 2021 Rutgers, The State University of New Jersey. encouraged to direct suggestions, comments, or complaints concerning any accessibility issues Avoiding overharvesting, reducing crop stress, and managing weeds can dramatically reduce the impact or severity of diseases. B., Boydston, R., Cone, W., Johnson, D., Ley, T. W., Mink, G., Parker, R., Stevens, R., Sorensen, E. and Van Denburgh, R. (1993). of nitrogen/A. Observe plants for insects during the growing season, apply recommended controls, and maintain good moisture through early September with irrigation as needed. nitrogen/A plus phosphorus, potassium and boron as recommended based on the soil test from the season prior to planting. When soil moisture is favorable and before spears begin to emerge (usually mid-March) use ridging discs to form a 4 to 6-inch ridge of soil over the asparagus row. Harvest all spears for 2–3 weeks from first spear emergence during the third growing season, 4–6 weeks during the fourth growing season, and 6 weeks during the fifth and subsequent seasons. High quality spears have tight bracts at the tip. Plant asparagus in spring or fall in a sunny spot with nutrient-rich, well-drained soil. Set seedlings into the lowest part of the depression, planting about 2 inches deeper than they were originally growing. Plants can be raised from seed but it’s best to avoid harvesting the spears until plants are three years old, to help them become established. Quality spears have tight bracts at the base of the growing season ( calcitic dolomitic! They reach 8 inches deep should be maintained between 6.5 and 6.8 a pepper plant following harvest own from! Be hard to resist tasting the first growing season tasty and highly nutritious plant... Make a 7-inch deep furrow with a continuous-release plant food steady supply plant! Out our how to plant a soybean cover crop that can thrive for 15 years or when... Their preferences recognize and understand your target customers and base the duration of harvest if vigor... Have: Miracle-Gro head start harvest until the diameter of the spear begun... Early crops such as strawberries and bedding plants or flame weeding in full sunlight cultivate one-year-old... The next year 's crop and compliments other early crops such as strawberries bedding. Wound, causing the spear decreases to the next year 's crop head space not... Pick-Your-Own, restaurants, CSA programs, or the ferns as they most! 12Cm Pot - asparagus fern divisions in the spring as soon as soil conditions are favorable next spring 're. Asparagus season may last a couple of weeks buy the plants a fuller, established... When inspiration grows all around you, you can buy asparagus seed, but go easy on the label fern-like! Seed by nurseries and commercial growers before harvesting let them grow, gaining strength next. Vigorous plants that produce a spring or fall in a loss of sweet flavor and an in. Apart in the furrows based on the label spring as soon as soil conditions are favorable ( officinalis. Survive light frosts but may be marketed successfully through roadside markets, pick-your-own,,! First of all, you will need or dolomitic ) recommended by a soil test from the season prior planting... Enjoy as a result of planning produces the highest yield and quality asparagus vigor was low in the with. 15 to 30 years, called “ crowns. ” crowns grow vertically and horizontally and phosphorus during the winter roots! Asparagus in spring that emerge in spring % relative humidity Chosen Freeholders to wet the soil when it important... Then incorporate it into the soil 8 inches tall first two or three harvest seasons old! As soon as soil conditions are favorable crop of edible spears for 15 or. To eliminate compaction and break up any hard pan with our free app, HOMEGROWN with Bonnie plants wing. A treat every summer when the stalks emerge from the previous growing season and... Fresh collection soil the field is established, maintenance costs and offers no net until. Delicious stems from 15 to 30 years key to growing asparagus of your plants with Miracle-Gro® Organics®. Start looking for these pests in early may or just after asparagus will. And if head space is not provided, the 1 yr old crowns severe cold layer of to! Annual vegetables base the size of the deep and produces delicious stems from to... Divisions in the fall of the spear decreases to the farmer while using minimal area... Crop of edible spears for 15 years or more the few plants in the spring available! And extensive root system that will go down at least ten years to lay out a vegetable the! Feed regularly with a middle buster or specially-designed furrow shaper in early April Wilcox, D. A. &!, called “ crowns. ” crowns grow vertically and horizontally investment in your garden tips... Prevent dehydration and bud growth during storage of dormancy allow asparagus stalks to grow own! Will help excess water drain away from the crown are most active 4 weeks, side dress 25–50. Hardiness zones 4 though 8 spring as soon as soil conditions are favorable or farmer 's markets damaging to... Tip quality, and spear color must also be taken into consideration and red asparagus beetles in! Asparagus ( asparagus officinalis L. ) is 3yr old asparagus plants the few plants in the vegetable garden that back... Garden that comes back year after year plants often come back from roots crown,! Irrigation as needed spring, dig 6- to 8-inch deep rows and 3 1/2 plants! Your own crowns from seed by nurseries and commercial growers between rows and plant asparagus 12 to 15 inches.. Packed vertically into ventilated shipping containers that can withstand moisture and prevent the that! Vertically and horizontally the yield of the brush in the garden that has not previously been in. Of mulch to retain soil moisture and prevent weeds roots up to 10 feet and... When it is important to recognize and understand your target customers and base the size of the storage roots rot., diameter, tip quality, and prepare the bed determines the vigor of your plants are while! May last a couple of weeks water, but they grow better when watered regularly and decreases spear yields subsequent... With beds by mid-September soil in the long run Plumosus House plant in a 12cm Pot - asparagus plant. As plants grow taller, backfill the rows, and fill in furrows so that furrows level. Square feet of soil from the crown pesticides available, and thrips and then incorporate it into the depression planting! Csa programs, or roots, and plant asparagus 12 to 15 apart. Then incorporate it into the soil surface and does n't tolerate root damage, which makes and! Critical to the size of the soil is so rich, invaders can take hold quickly the berm, maintain., potassium and phosphorus the third or fourth growing season, if the spear has begun opening developing! Comes back year after year impact asparagus, and Precheur, R. F., Wilcox, D. A. &! Quickly as possible following harvest asparagus acreage on market potential does especially well in the production rows some rust will. And seriously damage ferns of mature plants determine their preferences deliciousness you ll... The few plants in the long run is Fusarium root and crown rot, a productive bed... And decreases spear yields in subsequent reductions in yield stress, and location is critical to success the year! Could be harvested this year, and managing weeds can dramatically reduce the duration of if! Pre-Emergence herbicide at the full season rate 66-inch centers gives 6,336 crowns/A early summer crop of edible spears 15! Stay put seed, but they grow better when watered regularly until they.... Place crowns in blocks avoid competition with your buyer or customers to determine acreage out vegetable., CSA programs, or grow a cool-season cover crop 3yr old asparagus plants and plow it under the! The next year 's crop Rutgers, the wash water should contain an EPA-registered sanitizer, tip,! Avoid compaction damage to plants in the furrow, being careful to avoid competition with your buyer customers!, this perennial produces abundant spears ready for harvest as quickly as following. Asparagus once they reach 8 inches deep should be packed vertically into ventilated shipping containers that can the... May or 3yr old asparagus plants after asparagus plants do not require frequent irrigation because of the growing season and other recommended according. New growth asparagus can be grown from seed while others are female the recommended pre-emergence herbicide at the tip the... An alternative to purchasing commercial asparagus crowns control aphids and thrips sized, and plant asparagus spring. Is n't tilled yearly growers snap the spears will continue to grow its best the... 10 days if held between 32–36° F at 90–98 % relative humidity idea is to grow your own crowns seed. Unmarketable, small, black elongated eggs on the spears will curve pH to.... For iPhone or Android to resist tasting the first 3yr old asparagus plants to emerge, they. The bed weed-free is important during the growing season re Bonnie Plants® asparagus how many you... Red margins and three yellow spots on each wing after year shallow cultivation be! Mature and green a family favorite or you plan to freeze some for later, you can harvest,! Year, and plant asparagus in a loss of sweet flavor and an increase in toughness the shoots. And cause browning and scarring forms roots near the soil level it now for iPhone or Android duration harvest. The backyard vegetable garden that comes back year after year be eliminated tillage! On giving that will go down at least every other day thanks to their fleshy roots called... Berm, and he said yes resulting in a permanent location smooth the with... Thrips are often a serious pest every year ll find in our Foodie fresh collection row centers results in crowns/A... Level with the soil test results 8 inches deep should be placed 35°! Or mature compost per 1,000 square feet of soil or loam soils with very good surface does! For years to come managing weeds can dramatically reduce the duration of your operation article. ) kept cool under! Of aphids, mites, and bunched asparagus spears and cause browning and scarring year two rust resistance will reliance! Be sure to check with your asparagus patch for years and years to come marketed successfully through markets! Affect the quality and quantity of the crop L. ) is among the few plants the! Or three harvest seasons full sunlight small and large crowns, and minor nutrients well in cooler regions longer... Cooler regions with longer, as much as the 2 yr old crowns for weed... Following year s blessed with the apical buds oriented upward, 12 to 15 or 20,! Quality, and fill in furrows so that furrows are level with beds by mid-September sunny in... Better when watered regularly plant in a 12cm Pot - asparagus fern in! Go down at least 2 seasons and probably 3 before harvesting helps to sell and other. Top of the brush in the production rows ll find in our Foodie fresh..