When should I plant Spinach in Zone 11a?

Direct sow Spinach outdoors around Dec 17. Harvest around Jan 26.

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 Spinach in Zone 11a?

Yes. Spinach needs 40 days to harvest. Zone 11a has a 328-day growing season, which is sufficient. You can plant up to 20 successions.

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🍃 Growing Spinach in Zone 11a

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

Planting Calendar

Outdoor

Harvest

Dec 17Dec 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 Harvest40

SunPart Sun / Part Shade

Frost ToleranceHeavy

Spacing9/sqft (4" apart)

When to Plant Spinach in Zone 11a

Sow Seeds Outdoors: Dec 17

Direct sow Spinach seeds outdoors around Dec 17. Soil temperature should be at least 35°F. Space at 9/sqft (4" apart).

Harvest: Jan 26

First harvest approximately Jan 26 (~40 days from planting). Continue harvesting until first frost (Dec 22). Spinach can overwinter in mild climates for continued harvest.

Fall Planting: Nov 10

For a fall harvest, plant Spinach around Nov 10 (6 weeks before first frost).

Companion Planting

✅ Cauliflower ✅ Cabbage✅ Beans✅ Strawberries

Spinach 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

Plan Your Spinach Garden

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

Start Free Spinach Growing Guide