When should I plant Spinach in Zone 11b?

Direct sow Spinach outdoors around Dec 4. Harvest around Jan 13.

What is the last frost date for Zone 11b?

The average last spring frost date for Zone 11b is Jan 15. The first fall frost averages Dec 31, giving a 350-day growing season.

Can I grow Spinach in Zone 11b?

Yes. Spinach needs 40 days to harvest. Zone 11b has a 350-day growing season, which is sufficient. You can plant up to 22 successions.

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🍃 Growing Spinach in Zone 11b

Zone 11b has a year-round growing season. Spinach can be planted almost any time with proper planning. Last frost: Jan 15. First frost: Dec 31.

Planting Calendar

Outdoor

Harvest

Dec 4Dec 31

Season: Jan 15 – Dec 31 (350 days) · Succession: plant every 2 weeks (up to 22x)

Zone11b

Last FrostJan 15

First FrostDec 31

Season Length350 days

Days to Harvest40

SunPart Sun / Part Shade

Frost ToleranceHeavy

Spacing9/sqft (4" apart)

When to Plant Spinach in Zone 11b

Sow Seeds Outdoors: Dec 4

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

Harvest: Jan 13

First harvest approximately Jan 13 (~40 days from planting). Continue harvesting until first frost (Dec 31). Spinach can overwinter in mild climates for continued harvest.

Fall Planting: Nov 19

For a fall harvest, plant Spinach around Nov 19 (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