How to Plant Asparagus Seeds

Overview

Asparagus is an edible perennial that keeps producing for 15 years or longer. Usually planted from the crown of the plant, starting asparagus from seed is still possible. It takes the plant four years instead of three to produce its first crop, but you save money, allowing you to plant a larger crop than if you purchase crowns from a nursery. Keep the young asparagus plants inside the first year, then transplant them outside to a permanent asparagus bed. Plant them in the vegetable garden or include them in borders and edgings to create a truly edible landscape.

Step 1

Soften the seed coats before seeding. Nick the hard seed coating of each seed with a sharp knife. Place the nicked seeds into a bowl of warm water to soak overnight.

Step 2

Fill a seed starting tray with a potting mix formulated for seed starting. Make your own by mixing one part peat moss to one part compost and add in a hand full of perlite.

Step 3

Sow each seed one-half inch deep and cover lightly with soil. Space the seeds two inches apart in rows inside the tray.

Step 4

Water until the soil is evenly moist throughout but not soaking wet. Seal in a plastic bag to retain the moisture.

Step 5

Place in a warm place to germinate, which can take anywhere between 21 to 45 days. Check the tray regularly to make sure the soil hasn't dried out.

Step 6

Remove the plastic bag once shoots appear. Place the seedlings in a warm, sunny window and water as needed to keep the soil moist.

Step 7

Apply liquid fertilizer at half the recommended strength every four to six weeks throughout spring and summer.

Step 8

Transplant the asparagus to a well-drained garden bed the following spring after all danger of frost has passed. Plant each plant in six-inch-deep holes 12 inches apart.