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When to plant asparagus (crowns)

Asparagus (crowns) timing, counted from your average last spring frost and first fall frost. Perennial. Light harvest begins in year 2–3.

Seasoncool-season, hardy to frost
Transplant4 weeks before to 2 weeks before the last frost
Soil temperature to germinate50°F or warmer
Days to maturity730–1095 days from planting
Spacing12–18 in apart, rows 36–48 in apart
Seed depth6.0 in
Feathery asparagus fern with small yellow-green flowers
Photo: Agnieszka Kwiecień, Nova, CC BY-SA 4.0, via Wikimedia Commons

Example dates

PlaceDates
Austin, TX (78701)Transplant: Feb 10–24
Atlanta, GA (30303)Transplant: Feb 24–Mar 10
St. Louis, MO (63101)Transplant: Mar 4–18
Chicago, IL (60614)Transplant: Mar 13–27
Denver, CO (80202)Transplant: Apr 2–16
Seattle, WA (98101)Transplant: Feb 13–27

Every ZIP page has its own dates. Find your ZIP.

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Sources

Summarized in our own words from public extension publications.

All vegetables · Your ZIP's planting calendar