When should I plant Arugula in Zone 3a?

Direct sow Arugula outdoors around Apr 24. Harvest around May 29.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Arugula in Zone 3a?

Yes. Arugula needs 35 days to harvest. Zone 3a has a 113-day growing season, which is sufficient. You can plant up to 5 successions.

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🥗 Growing Arugula in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Arugula early indoors to maximize your harvest window. Last frost: May 22. First frost: Sep 12.

Planting Calendar

Outdoor

Harvest

Apr 24Sep 12

Season: May 22 – Sep 12 (113 days) · Succession: plant every 2 weeks (up to 5x)

Zone3a

Last FrostMay 22

First FrostSep 12

Season Length113 days

Days to Harvest35

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Arugula in Zone 3a

Sow Seeds Outdoors: Apr 24

Direct sow Arugula seeds outdoors around Apr 24. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).

Harvest: May 29

First harvest approximately May 29 (~35 days from planting). Continue harvesting until first frost (Sep 12).

Fall Planting: Aug 8

For a fall harvest, plant Arugula around Aug 8 (5 weeks before first frost).

Companion Planting

✅ Beans✅ Onions✅ Potatoes✅ Lettuce ✅ Dill✅ Beets✅ Carrots

❌ Strawberries

Arugula in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

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