Water Spinach illustration

Growing Water Spinach in Zone 11b

Zone 11b has a year-round growing season. Water 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 Harvest30
SunPart Sun / Part Shade
Frost ToleranceHeavy
Spacing4/sqft (6" apart)

When to Plant Water Spinach in Zone 11b

Sow Seeds Outdoors: Dec 4

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

Harvest: Jan 3

First harvest approximately Jan 3 (~30 days from planting). Continue harvesting until first frost (Dec 31). Water Spinach can overwinter in mild climates for continued harvest.

Fall Planting: Nov 19

For a fall harvest, plant Water Spinach around Nov 19 (6 weeks before first frost).

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