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When to plant arugula

Arugula timing, counted from your average last spring frost and first fall frost. Sow every 2–3 weeks for a steady supply.

Seasoncool-season, hardy to frost
Sow outdoors4 weeks before to at the last frost
Fall sowing8 weeks before to 4 weeks before the first fall frost
Soil temperature to germinate40°F or warmer
Days to maturity30–45 days from seed
Spacing4–6 in apart, rows 12–18 in apart
Seed depth0.25 in
Bunch of fresh green arugula leaves
Photo: Peter Burka, CC BY-SA 2.0, via Wikimedia Commons

Example dates

PlaceDates
Austin, TX (78701)Sow outdoors: Feb 10–Mar 10; Fall sowing: Sep 22–Oct 20
Atlanta, GA (30303)Sow outdoors: Feb 24–Mar 24; Fall sowing: Sep 13–Oct 11
St. Louis, MO (63101)Sow outdoors: Mar 4–Apr 1; Fall sowing: Sep 9–Oct 7
Chicago, IL (60614)Sow outdoors: Mar 13–Apr 10; Fall sowing: Sep 10–Oct 8
Denver, CO (80202)Sow outdoors: Apr 2–30; Fall sowing: Aug 17–Sep 14
Seattle, WA (98101)Sow outdoors: Feb 13–Mar 13; Fall sowing: Sep 22–Oct 20

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