When should I plant Water Spinach in Zone 10a?

Direct sow Water Spinach outdoors around Jan 9. Harvest around Feb 8.

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 Water Spinach in Zone 10a?

Yes. Water Spinach needs 30 days to harvest. Zone 10a has a 284-day growing season, which is sufficient. You can plant up to 18 successions.

Growing Water Spinach in Zone 10a

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

Planting Calendar

Outdoor

Harvest

Jan 9Dec 1

Season: Feb 20 – Dec 1 (284 days) · Succession: plant every 2 weeks (up to 18x)

Zone10a

Last FrostFeb 20

First FrostDec 1

Season Length284 days

Days to Harvest30

SunPart Sun / Part Shade

Frost ToleranceHeavy

Spacing4/sqft (6" apart)

When to Plant Water Spinach in Zone 10a

Sow Seeds Outdoors: Jan 9

Direct sow Water Spinach seeds outdoors around Jan 9. Soil temperature should be at least 35°F. Space at 4/sqft (6" apart).

Harvest: Feb 8

First harvest approximately Feb 8 (~30 days from planting). Continue harvesting until first frost (Dec 1). Water Spinach can overwinter in mild climates for continued harvest.

Fall Planting: Oct 20

For a fall harvest, plant Water Spinach around Oct 20 (6 weeks before first frost).

Water 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 Water Spinach Garden

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

Start Free Water Spinach Growing Guide