YardThisWeekGet frost and soil alerts

When to plant brussels sprouts

Brussels sprouts timing, counted from your average last spring frost and first fall frost. Long season; mainly a fall-harvest crop.

Seasoncool-season, hardy to frost
Start indoors12 weeks before to 10 weeks before the last frost
Transplant4 weeks before to 2 weeks before the last frost
Fall transplant16 weeks before to 13 weeks before the first fall frost
Soil temperature to germinate40°F or warmer
Days to maturity90–110 days from transplant
Spacing18–24 in apart, rows 30–36 in apart
Seed depth0.5 in
Pile of fresh green Brussels sprouts at a market
Photo: Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons

Example dates

PlaceDates
Austin, TX (78701)Start seeds indoors: Dec 16–30; Transplant: Feb 10–24; Fall transplant: Jul 28–Aug 18
Atlanta, GA (30303)Start seeds indoors: Dec 30–Jan 13; Transplant: Feb 24–Mar 10; Fall transplant: Jul 19–Aug 9
St. Louis, MO (63101)Start seeds indoors: Jan 7–21; Transplant: Mar 4–18; Fall transplant: Jul 15–Aug 5
Chicago, IL (60614)Start seeds indoors: Jan 16–30; Transplant: Mar 13–27; Fall transplant: Jul 16–Aug 6
Denver, CO (80202)Start seeds indoors: Feb 5–19; Transplant: Apr 2–16; Fall transplant: Jun 22–Jul 13
Seattle, WA (98101)Start seeds indoors: Dec 19–Jan 2; Transplant: Feb 13–27; Fall transplant: Jul 28–Aug 18

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

Find vegetable seeds: Lowe's · The Home Depot · Amazon

Retailer links are plain search links. We don't earn anything from them today; if we join a retailer's affiliate program later, we may earn a commission at no extra cost to you. Affiliate disclosure.

Sources

Summarized in our own words from public extension publications.

All vegetables · Your ZIP's planting calendar