Seedlings can emerge in 10 to 14 days when the soil temperature is 75 degrees F. Thin seedlings after they grow their first set of true leaves. Preserve the garden-fresh flavor of this spring vegetable by stashing spears in the freezer. Asparagus berries form along the feathery, 3- to 5-foot-tall fronds of female plants during the summer months. Start the seeds in the spring when the soil temperatures have reached 60ºF. Warning, the seeds are poisonous so you do need to be careful but the seed I collected took very well and I had I reckon 95% strike rate. Good soil moisture is important at planting for good root and fern growth. The first year after planting, it’s ok to harvest a few spears from each plant across a two-week period. Not only delicious, hardy and a unique addition to any garden, asparagus is a perennials vegetable, returning year after year. However, it grows best at temperatures between 75-85°F in the day and 60-70°F at night. Growing Asparagus from Seed. When fronds brown, cut them two inches above ground and remove the spent foliage from the area. Prepare the Seeds. Asparagus seeds are often cheaper than pre-established roots, and producing a robust crop from seed is quite possible under the right conditions. Soak the seeds in warm water for a few hours to hasten germination and then plant them .5 inches (1.8 cm) deep in a seed-starting potting mix in small pots with one or two seeds per pot. Asparagus plants can produce harvests for up to 30 years (or more), so choose a spot where the plants can be left undisturbed and will be out of your way. Gently firm the soil and keep it evenly moist while the seeds germinate. In early spring, harvest spears every third day or so; as the weather warms, you might have to pick your asparagus twice a day to keep up with production. From seed: start seed indoors 8 to 6 weeks before the last frost in spring; plants can be transplanted to the garden when they are well established, 2 or 3 weeks after the last frost in spring. Yes. pots. It takes patience to start your asparagus patch from seed, but there are advantages to gain from the extra wait. Start the seeds indoors 10 to 12 weeks before the last expected frost date in your area. A variety that caught my eye is Guelph Millennium developed by Professor Dave Wolyn and his research team at University of Guelph’s plant agriculture department. Plant them immediately if possible; otherwise, wrap them in slightly damp sphagnum moss until you are ready to plant. These methods also control the 12-spotted asparagus beetle, which is reddish brown with six black spots on each wing cover. If done this way, cover the soil with mulch or plant a cool-season cover crop. Instead of starting the plant from cuttings, start it from seed for a rewarding experience. You can also use peat pots or other seed-starting containers. This plant takes time to grow, but the results are well worth it. Soak the crowns in compost tea for 20 minutes before planting. Starting Asparagus Seeds Although it is possible to direct-sow asparagus seeds, starting the seeds in pots under controlled conditions will yield more reliable results. Some varieties can also be planted in autumn. You can grow asparagus from seeds, crowns (roots), or transplants. Asparagus Planting Time. Start by selecting a location that receives plenty of light. Sow asparagus seeds indoors eight to 12 weeks before transplanting outside after the risk of frost has passed. As mentioned earlier asparagus can be grown from seed but you will need to wait about 3 years for any crop. Watering is vital for the first three years. Speed also factors into the method one chooses to start asparagus plants. Privacy Policy. Some of the seedlings didn’t transfer well but I have some looking ready to harvest next year (year 3). If you want to grow white asparagus, which has a slightly milder flavor than green asparagus, blanch the spears by heaping up soil or mulch over the bed before they emerge. Yet as with so many things in life, patience brings rewards. When seedlings are two inches tall, transplant into a prepared bed, spacing 12 to 18 inches apart. It all started when we purchased several very expensive crowns of a variety of asparagus known as 'Purple Passion'. You can grow asparagus from seeds, crowns (roots), or transplants. Planting at the right depth is important. It’s recommended that you start asparagus seeds indoors or in a greenhouse in mid-February to May under bright lighting. When tiny flowers appear, observe them with a magnifying glass. First, the seed-grown asparagus won’t suffer from the transplant trauma just like the nursery-grown roots. With this plan, you can start harvesting fresh, flavorful, nutritious salad ingredients in about a month. Consider the plant’s beauty. It's not going to be happy in most windows or … Allow plants to grow through fall. Use irrigation or water early in the day to ensure foliage is dry by nightfall. Planting asparagus seeds is a simple process, and it doesn’t matter whether you’ve saved your own seed, or purchased a package of asparagus seed. This is the most critical point of care because asparagus cannot compete for water, space and nutrients. HGTV offers tips for growing and tending pumpkins. From the decision to plant Asparagus Seeds to choosing, buying, planting, growing and caring for your seedlings, be sure to follow our recipe for sucess. Saving money is one of several advantages of starting asparagus from seed. Most of the time, asparagus seeds are started indoors and than transplanted into the asparagus bed later on. Planting asparagus seeds is a simple process, and it doesn’t matter whether you’ve saved your own seed, or purchased a package of asparagus seed. Once established, an asparagus plant can produce spears for 15 to 20 years or more. Their mild flavor makes spring onions a delicious addition to your kitchen repertoire. Wet the paper to hold it in place and cover with leaf compost, grass clippings, straw, or other yard wastes. Yet as with so many things in life, patience brings rewards. Asparagus plants are monoecious, which means each individual asparagus plant is either male or female. Asparagus Planting Calendar. Now, here's everything you need to know about growing asparagus, whether you start from seed or spear. Most seed-grown asparagus vegetation inevitably out-deliver those people started off from roots. You may wish to use asparagus as an ornamental in your landscape and plant where the bed is in line of sight. Sow seeds 1/4-inch deep using a sterile seeding mix in individual 2-inch cells. Plant seeds in a light seed-starting mixture, 1/2 inch deep. 1. How to Start Asparagus Plants from Seed. Good Housekeeping participates in various affiliate marketing programs, which means we may get paid commissions on editorially chosen products purchased through our links to retailer sites. Two years ago, I started some asparagus from seed and transplanted them to a nursery bed in the garden. Most are hardy in zones 3 to 8. Asparagus seeds started indoors should be started in 4 inch pots approximately 3 months before the last frost. It also offers you a greater variety of choice. Watch Monty Don ‘s comprehensive guide to planting bare-root asparagus crowns, below. You may never go back to steaming with this flavor-packed recipe. It is very important to follow certain steps, so the plant would grow as it is supposed to. 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