When should I plant Spinach in Zone 8b?

Direct sow Spinach outdoors around Feb 8. Harvest around Mar 20.

What is the last frost date for Zone 8b?

The average last spring frost date for Zone 8b is Mar 22. The first fall frost averages Nov 10, giving a 233-day growing season.

Can I grow Spinach in Zone 8b?

Yes. Spinach needs 40 days to harvest. Zone 8b has a 233-day growing season, which is sufficient. You can plant up to 13 successions.

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🍃 Growing Spinach in Zone 8b

Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Spinach. Last frost: Mar 22. First frost: Nov 10.

Planting Calendar

Outdoor

Harvest

Feb 8Nov 10

Season: Mar 22 – Nov 10 (233 days) · Succession: plant every 2 weeks (up to 13x)

Zone8b

Last FrostMar 22

First FrostNov 10

Season Length233 days

Days to Harvest40

SunPart Sun / Part Shade

Frost ToleranceHeavy

Spacing9/sqft (4" apart)

When to Plant Spinach in Zone 8b

Sow Seeds Outdoors: Feb 8

Direct sow Spinach seeds outdoors around Feb 8. Soil temperature should be at least 35°F. Space at 9/sqft (4" apart).

Harvest: Mar 20

First harvest approximately Mar 20 (~40 days from planting). Continue harvesting until first frost (Nov 10). Spinach can overwinter in mild climates for continued harvest.

Fall Planting: Sep 29

For a fall harvest, plant Spinach around Sep 29 (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