When should I plant Water Spinach in Zone 6b?

Direct sow Water Spinach outdoors around Mar 4. Harvest around Apr 3.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Water Spinach in Zone 6b?

Yes. Water Spinach needs 30 days to harvest. Zone 6b has a 190-day growing season, which is sufficient. You can plant up to 11 successions.

Growing Water Spinach in Zone 6b

Zone 6b has mild winters and a long growing season — good conditions for Water Spinach. Last frost: Apr 15. First frost: Oct 22.

Planting Calendar

Outdoor

Harvest

Mar 4Oct 22

Season: Apr 15 – Oct 22 (190 days) · Succession: plant every 2 weeks (up to 11x)

Zone6b

Last FrostApr 15

First FrostOct 22

Season Length190 days

Days to Harvest30

SunPart Sun / Part Shade

Frost ToleranceHeavy

Spacing4/sqft (6" apart)

When to Plant Water Spinach in Zone 6b

Sow Seeds Outdoors: Mar 4

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

Harvest: Apr 3

First harvest approximately Apr 3 (~30 days from planting). Continue harvesting until first frost (Oct 22). Water Spinach can overwinter in mild climates for continued harvest.

Fall Planting: Sep 10

For a fall harvest, plant Water Spinach around Sep 10 (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