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🥗 Growing Arugula in Zone 10a

Zone 10a has a year-round growing season. Arugula can be planted almost any time with proper planning. Last frost: Feb 20. First frost: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Jan 23Dec 1

Season: Feb 20 – Dec 1 (284 days) · Succession: plant every 2 weeks (up to 17x)

Zone10a

Last FrostFeb 20

First FrostDec 1

Season Length284 days

Days to Harvest35

SunPart Sun / Part Shade

Frost ToleranceModerate

Spacing4/sqft (6" apart)

When to Plant Arugula in Zone 10a

Start Seeds Indoors: Jan 23

Start Arugula seeds indoors around Jan 23 (4 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 3–7 days.

Transplant Outdoors: Feb 6

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

Harvest: Mar 13

First harvest approximately Mar 13 (~35 days from planting). Continue harvesting until first frost (Dec 1).

Fall Planting: Oct 27

For a fall harvest, plant Arugula around Oct 27 (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 10a?

Start Arugula seeds indoors around Jan 23. Transplant outdoors after Feb 6. Expect first harvest around Mar 13.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Arugula in Zone 10a?

Yes. Arugula needs 35 days to harvest. Zone 10a has a 284-day growing season, which is sufficient. You can plant up to 17 successions.

What is the best month to plant Arugula in Zone 10a?

The best time to start Arugula in Zone 10a is Jan. Begin seeds indoors around Jan 23, then transplant outdoors after the last frost date of Feb 20.

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 10a, expect your first harvest around Mar 13.

Plan Your Arugula Garden

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

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