When should I plant Spinach in Zone 12a?

Direct sow Spinach outdoors around Nov 20. Harvest around Dec 30.

What is the last frost date for Zone 12a?

The average last spring frost date for Zone 12a is Jan 1. The first fall frost averages Dec 31, giving a 364-day growing season.

Can I grow Spinach in Zone 12a?

Yes. Spinach needs 40 days to harvest. Zone 12a has a 364-day growing season, which is sufficient. You can plant up to 23 successions.

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🍃 Growing Spinach in Zone 12a

Zone 12a has a year-round growing season. Spinach can be planted almost any time with proper planning. Last frost: Jan 1. First frost: Dec 31.

Planting Calendar

Outdoor

Harvest

Nov 20Dec 31

Season: Jan 1 – Dec 31 (364 days) · Succession: plant every 2 weeks (up to 23x)

Zone12a

Last FrostJan 1

First FrostDec 31

Season Length364 days

Days to Harvest40

SunPart Sun / Part Shade

Frost ToleranceHeavy

Spacing9/sqft (4" apart)

When to Plant Spinach in Zone 12a

Sow Seeds Outdoors: Nov 20

Direct sow Spinach seeds outdoors around Nov 20. Soil temperature should be at least 35°F. Space at 9/sqft (4" apart).

Harvest: Dec 30

First harvest approximately Dec 30 (~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