A few varieties can be grown from seed. Start the seeds indoors 10 to 12 weeks before the last expected frost date in your area.

In my cold Vermont climate, the last frost happens the first week of June. Dr. Leonard Perry, Extension Professor University of Vermont Planting asparagus, making raised beds, and dividing rhubarb are some of the gardening activities for this month. Crown planted asparagus can be harvested in carefully in the 2nd year and fully in the third year. During the harvest period (traditionally spring, but see below for summer harvest instructions), the spears develop daily from underground crowns. How to Plant Asparagus By Brian Barth on April 3, 2015 Apr 03, 2015 Brian Barth Done right, planting a bed of asparagus is a once-in-a-generation affair.
Choose a spot in full sun for these long-lived perennials. By Jill: When John and I moved our family to Vermont we were lucky enough to end up in a rental house with an established bed of asparagus. Asparagus Planting As soon as the soil thaws and is dry enough to work in, plant bare-root asparagus crowns. It is feral. A planting of asparagus can last 15 years or more, so choose the spot for an asparagus bed carefully. As soon as the soil thaws and is dry enough to work in, plant bare-root asparagus crowns.

Set out dormant 1-year old roots, called crowns, in late winter or early spring.
The farm's four acres of asparagus plants — some of them more than 30 years old — make it the largest producer in Vermont, "though that's not saying much," Bob Pomykala said, Vermont …

The frost won't freeze them but this will protect the spears. After harvest, let the plant’s fernlike foliage grow tall. Other than artichokes, capers and rhubarb, asparagus is the only perennial vegetable regularly featured in North American cuisine - it will send up those slender, succulent stalks each spring for decades if it is given a happy home. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.

A perennial crop, established asparagus plants will provide an annual crop of tasty spears for up to 20 years. Choose a fertile, sunny, well-drained site with soil that holds moisture well. 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. Summer growth allows asparagus roots to grow large and store energy for the following year’s spears. Stakes and string will keep plants upright.