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🥗 Growing Arugula in Zone 1b

Zone 1b has harsh winters and a short growing season. Start Arugula early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 27Aug 28

Season: May 25 – Aug 28 (95 days) · Succession: plant every 2 weeks (up to 4x)

Zone1b

Last FrostMay 25

First FrostAug 28

Season Length95 days

Days to Harvest35

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Arugula in Zone 1b

Start Seeds Indoors: Apr 27

Start Arugula seeds indoors around Apr 27 (4 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 3–7 days.

Transplant Outdoors: May 11

Transplant Arugula seedlings outdoors after May 11. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Jun 15

First harvest approximately Jun 15 (~35 days from planting). Continue harvesting until first frost (Aug 28).

Fall Planting: Jul 24

For a fall harvest, plant Arugula around Jul 24 (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

Frequently Asked Questions

When should I plant Arugula in Zone 1b?

Start Arugula seeds indoors around Apr 27. Transplant outdoors after May 11. Expect first harvest around Jun 15.

What is the last frost date for Zone 1b?

The average last spring frost date for Zone 1b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.

Can I grow Arugula in Zone 1b?

Yes. Arugula needs 35 days to harvest. Zone 1b has a 95-day growing season, which is sufficient. You can plant up to 4 successions.

What is the best month to plant Arugula in Zone 1b?

The best time to start Arugula in Zone 1b is Apr. Begin seeds indoors around Apr 27, then transplant outdoors after the last frost date of May 25.

What companion plants grow well with Arugula?

Good companion plants for Arugula include Beans, Onions, Potatoes, Lettuce, Dill, Beets. Avoid planting Arugula near Strawberries.

How long does Arugula take to harvest?

Arugula takes approximately 35 days from planting to harvest. In Zone 1b, expect your first harvest around Jun 15.

Plan Your Arugula Garden

Track Arugula from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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