When should I plant Arugula in Zone 3b?

Direct sow Arugula outdoors around Apr 17. Harvest around May 22.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Arugula in Zone 3b?

Yes. Arugula needs 35 days to harvest. Zone 3b has a 130-day growing season, which is sufficient. You can plant up to 6 successions.

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🥗 Growing Arugula in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Arugula early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.

Planting Calendar

Outdoor

Harvest

Apr 17Sep 22

Season: May 15 – Sep 22 (130 days) · Succession: plant every 2 weeks (up to 6x)

Zone3b

Last FrostMay 15

First FrostSep 22

Season Length130 days

Days to Harvest35

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Arugula in Zone 3b

Sow Seeds Outdoors: Apr 17

Direct sow Arugula seeds outdoors around Apr 17. Soil temperature should be at least 40°F. Space at 4/sqft (6" apart).

Harvest: May 22

First harvest approximately May 22 (~35 days from planting). Continue harvesting until first frost (Sep 22).

Fall Planting: Aug 18

For a fall harvest, plant Arugula around Aug 18 (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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