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🥗 Growing Arugula in Zone 11a

Zone 11a has a year-round growing season. Arugula can be planted almost any time with proper planning. Last frost: Jan 28. First frost: Dec 22.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 31Dec 22

Season: Jan 28 – Dec 22 (328 days) · Succession: plant every 2 weeks (up to 20x)

Zone11a

Last FrostJan 28

First FrostDec 22

Season Length328 days

Days to Harvest35

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Arugula in Zone 11a

Start Seeds Indoors: Dec 31

Start Arugula seeds indoors around Dec 31 (4 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 3–7 days.

Transplant Outdoors: Jan 14

Transplant Arugula seedlings outdoors after Jan 14. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Feb 18

First harvest approximately Feb 18 (~35 days from planting). Continue harvesting until first frost (Dec 22).

Fall Planting: Nov 17

For a fall harvest, plant Arugula around Nov 17 (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 11a?

Start Arugula seeds indoors around Dec 31. Transplant outdoors after Jan 14. Expect first harvest around Feb 18.

What is the last frost date for Zone 11a?

The average last spring frost date for Zone 11a is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.

Can I grow Arugula in Zone 11a?

Yes. Arugula needs 35 days to harvest. Zone 11a has a 328-day growing season, which is sufficient. You can plant up to 20 successions.

What is the best month to plant Arugula in Zone 11a?

The best time to start Arugula in Zone 11a is Dec. Begin seeds indoors around Dec 31, then transplant outdoors after the last frost date of Jan 28.

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 11a, expect your first harvest around Feb 18.

Plan Your Arugula Garden

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

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