Growing Water Spinach in Zone 8b
Zone 8b has warm winters and an extended growing season — excellent for heat-loving crops like Water Spinach. Last frost: Mar 22. First frost: Nov 10.
Planting Calendar
Feb 8Nov 10
Season: Mar 22 – Nov 10 (233 days) · Succession: plant every 2 weeks (up to 14x)
Zone8b
Last FrostMar 22
First FrostNov 10
Season Length233 days
Days to Harvest30
SunPart Sun / Part Shade
Frost ToleranceHeavy
Spacing4/sqft (6" apart)
When to Plant Water Spinach in Zone 8b
Sow Seeds Outdoors: Feb 8
Direct sow Water Spinach seeds outdoors around Feb 8. Soil temperature should be at least 35°F. Space at 4/sqft (6" apart).
Harvest: Mar 10
First harvest approximately Mar 10 (~30 days from planting). Continue harvesting until first frost (Nov 10). Water Spinach can overwinter in mild climates for continued harvest.
Fall Planting: Sep 29
For a fall harvest, plant Water Spinach around Sep 29 (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 13bPlan 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