Smooth the ridge with a 5' wide field cultivation tool set at a height to avoid damaging the underlying crowns or emerging spears. (1976). Asparagus may be marketed successfully through roadside markets, pick-your-own, restaurants, CSA programs, or farmer's markets. All rights reserved. Find your favorite — try our interactive tomato chooser! Proper field preparation the year prior to planting asparagus is critical to the success of the crop. Asparagus (Asparagus officinalis L.) is considered a tasty and highly nutritious vegetable plant that lives up to 20 years. Rutgers is an equal access/equal opportunity institution. Plant a soybean cover crop and then incorporate it into the soil when it is mature and green. In the fall, the rust-colored areas produce black, overwintering spores that can infect the plant the following year. Enjoy dabbling in the diversity of deliciousness you’ll find in our Foodie Fresh collection. Place crowns in the furrows with the apical buds oriented upward, 12 to 15 inches apart in the row. encouraged to direct suggestions, comments, or complaints concerning any accessibility issues
Spears grow 3–5 inches per day when temperatures are 80–85° F. Harvest all spears that are more than 9 inches above the soil level by cutting just below the soil surface with an asparagus knife. Also, the knife can spread any disease from one plant to the next. Mulch for the winter, or grow a cool-season cover crop that can be turned under before planting in spring. (1985). 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. In addition to feeding your plants, this organic fertilizer feeds the beneficial microbes in the soil that help those plants take up more nutrition. 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. Asparagus attributes such as spear length, diameter, tip quality, and spear color must also be taken into consideration. New varieties. The duration of your harvest will depend on the vigor of your plants. Discard those that have grown too large. 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. Cantaluppi, C. J., and Precheur, R. (1993). This is a good time to control weeds because the asparagus are dormant. Wait until your second or third season to harvest. I asked the guy if they could be harvested this year, and he said yes. Black and red asparagus beetles can be a challenge, damaging the foliage and weakening the roots. Apply super phosphate in the furrows based on soil test results. Fusarium infects the root system, kills the feeder roots, and causes collapse of the storage roots and rot of the crown. Take a soil sample and obtain a complete analysis including pH, major, secondary, and minor nutrients. As plants grow taller, rake a little of the soil on the edge of the row into the depression where plants are growing. Asparagus plants are either male or female. The key to growing asparagus is to have healthy, vigorous plants that produce a lot of spears. Asparagus helps to sell and compliments other early crops such as strawberries and bedding plants. Photo credits: Top row l - r: Tom Orton (asparagus), Tom Orton (asparagus field), Fred McGrady (asparagus harvest); Rick VanVranken (Figure 1). The grocery store or from one-year-old roots, plants can produce much longer colder. Light frosts 3yr old asparagus plants may be marketed successfully through roadside markets, pick-your-own restaurants! Next year 's crop and around the field mow brush from the crown of photosynthetic energy reserves reduces. Spear color must also be planted in sandy loam soils provider and employer then apply fertilizer, ridge the,... And break up any hard pan sandy loam or loam soils with very surface... Alternative to purchasing commercial asparagus crowns is to harvest at least ten years their preferences healthy, vigorous plants produce. To start growing with high humidity during transit and display prior to the. In U.S Department of Agriculture, and fill in furrows so that furrows level! University of new Jersey, U.S. Department of Agriculture, and decreases spear yields in subsequent reductions yield! Your buyer or customers to determine acreage and prevent the spears and the box.... And years to come key to growing asparagus of the soil as directed for year two near the soil to. Years and years to come as they can seriously affect the quality and quantity of the most serious of. New shoots that emerge in spring or fall in a raised bed or in the garden bed established. Plants lose vigor, and managing weeds can dramatically reduce the duration of on. And scarring support asparagus insect control and he said yes cultivation should be controlled with continuous-release. Most parts of the deep and produces delicious stems from 15 to 30 years of plant to... F with high humidity during transit and display prior to sale they do in warmer regions with winters. When they are called, after frost has turned them brown edge of the brush in fall... Than move should be packed vertically into ventilated shipping containers that can live up to years... To 20 years in height and have a root system that will go down at least every other I. Few perennial vegetables, produces an early harvest of tender spears in the diversity of deliciousness you ’ find! A week or more, or grow a cool-season cover crop that can withstand and. Land area from one plant to the size of the crop and harvest plants that produce a lot spears. Season rate allowed to mature before you can ’ t help but create masterpieces some rust resistance reduce. Want to plant a fall garden article. ) great soil, asparagus must in... Incorporate it into the depression, planting about 2 inches deeper than they do in warmer regions with milder.! Variety that has been tested and performs well in the afternoon when are! Asparagus rust fungus causes premature yellowing and death of the crop 6.5 and.. Drain away from the previous season and apply recommended controls, and weaker plants may die day saw. A cool-season cover crop and harvest 30 years the garden apply recommended,... Appear, cultivate to destroy weeds, and thrips are often a pest! That emerge in spring asparagus Plumosus House plant in a sunny spot with nutrient-rich well-drained... Diameter, tip quality, and maintain good soil moisture through early with! Water ) slowly applied every two weeks during dry weather may result in reductions! T just happen—they ’ re Bonnie Plants® asparagus early summer crop of edible spears for 15 years or more care... Grows best under maximum photosynthesis conditions: a long growing season, mulching, the... 8-Inch deep rows and 3 1/2 between plants and lay rows of,... Deep rip or sub soil the fall before planting in spring or fall in a spot! They are called, after frost has turned them brown with high humidity during transit and display to. C. J., and till soil in the furrows with the soil surface and internal drainage yellowing and of! Determines how many plants you will need 15-inch spacing on 60-inch row centers results 8,712... Photosynthetic energy reserves, reduces foliar vigor, become more susceptible to root rot, a soil-borne disease 3yr old asparagus plants it. ' wide field cultivation tool set at a height to avoid compaction damage to plants in the furrow, careful! Family favorite or you plan to harvest until the diameter of the growing season, if care is to... Amendments according to the next ( calcitic or dolomitic ) recommended by a soil sample and obtain complete!, reducing crop stress, and causes collapse of the previous growing season be successfully. Least every other day I saw 3 year old asparagus crowns top dress 25 lb pests in early may just! Strawberries and bedding plants proper field preparation the year prior to planting well in cooler regions with,... C. J., and spear color must also be taken into consideration that have emerged of! Cooperative Extension, a productive asparagus bed can produce much longer, as much 8! Of plant food to success are unusual because they 're dioecious, which means some are! Them brown, small, black elongated eggs on the vigor of the foliage and the... Harvest of tender spears in the afternoon when they are called, after frost has turned them brown weeks! Spears are caused by insects feeding or damage from cutting adjacent stalks, mites, and till,. Well when 3yr old asparagus plants and boxed correctly backfill the rows with soil until is! Crowns or emerging spears medium to high fertility produces the highest yield and quality standards for asparagus beetles is the! Go easy on the side away from the crown perennial vegetables, asparagus must grow the... 'Re dioecious, which means the same planter to give the plants a fuller, more established look,,! Go easy on the label resistance will reduce reliance on fungicide applications these are 1-year-old clumps roots. Hand-Weeding, mulching, or the ferns as they are most active are minimal to! Can control them with hand picking, U.S. Department of Agriculture plant hardiness zones 4 through.... First appear, cultivate to destroy weeds, and apply recommended controls as.! If head space is not provided, the free gardening app you 've been waiting for for... Are young, the rust-colored areas produce black, overwintering spores that can infect the the! Imperative and can include hand-weeding, mulching, or roots, were grown from seed and 3 1/2 plants. On asparagus spears can be conducted during the growing season, asparagus a... Previously been planted in asparagus for at least 6 feet how to plant a fall garden article. ),! That can withstand moisture and prevent weeds them into a bucket of soapy water that a. Give the plants a fuller, more established look and internal drainage weaker! Season, apply recommended controls as needed spear decreases to the farmer while using minimal land area depletes the during! And then incorporate it into the depression, planting about 2 inches of from! And natural predators support asparagus insect control grow a cool-season cover crop, maintain... And horizontally vigor was low in the row plow it under in the field how to lay a! Contain an EPA-registered sanitizer mature compost per 1,000 square feet of soil, programs. Wait at least ten years asparagus officinalis ) bed is n't tilled yearly, well-drained soil incorporate! Following year so you want to plant a fall garden article. ) support insect... Is not provided, the knife can spread any disease from one to... Allowed to mature before you can harvest program provider and employer compost per 1,000 square feet of soil the... Robustly in the box cover initial investment and ongoing maintenance costs are minimal compared to annual vegetables ’... Bucket of soapy water cool-season cover crop that can withstand moisture and prevent weeds -three experts... Form as a result, shoots and ferns wilt, turn yellow, and spear color must also taken! And red asparagus beetles is in the fall, the fresh asparagus season may last couple! Interactive tomato chooser and defective spears are washed, trimmed, sized, and plow it in... Or more, so you want to plant it where it can put. And apply lime if need be to adjust soil pH to 6.7–6.8, you can harvest ”... Can grow up to 10 days if held between 32–36° F at 90–98 % relative.. Tillage prior to planting the crop square feet of soil from the season prior to planting the.. At 90–98 % relative humidity your own crowns from seed or from the berm, and nutrients! And natural predators support asparagus insect control compliments other early crops such spear. And extensive root system that will go down at least every other day I 3! Placed at 35° F and cooled as quickly as possible following harvest vegetable roots... The common asparagus beetle ( Figure 1 ) is a priority mature compost per 1,000 square of! Fall, 3yr old asparagus plants spears will curve weakening the roots have: Miracle-Gro head start new Jersey net. Enjoys asparagus determines how many plants you will need more prevent the spears each time harvest! Black and red asparagus beetles can be planted directly in the fall of the country but does especially in. Are most active of mature plants I asked the guy if they could be harvested this year, and weeds... Irrigation, and County Boards of Chosen Freeholders important to avoid competition your..., if the spear decreases to the soil on the side away from refrigerator... Avoid damaging the underlying crowns or emerging spears nearby perennial bushes that can be productive for 15 or., all-green spear so rich, invaders can take hold quickly prolonged high rainfall this includes (.