Water Spinach illustration

Growing Water Spinach in Zone 2b

Zone 2b has harsh winters and a short growing season. Start Water Spinach early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.

Planting Calendar

Outdoor
Harvest
Apr 13Aug 28

Season: May 25 – Aug 28 (95 days) · Succession: plant every 2 weeks (up to 4x)

Zone2b
Last FrostMay 25
First FrostAug 28
Season Length95 days
Days to Harvest30
SunPart Sun / Part Shade
Frost ToleranceHeavy
Spacing4/sqft (6" apart)

When to Plant Water Spinach in Zone 2b

Sow Seeds Outdoors: Apr 13

Direct sow Water Spinach seeds outdoors around Apr 13. Soil temperature should be at least 35°F. Space at 4/sqft (6" apart).

Harvest: May 13

First harvest approximately May 13 (~30 days from planting). Continue harvesting until first frost (Aug 28). Water Spinach can overwinter in mild climates for continued harvest.

Fall Planting: Jul 17

For a fall harvest, plant Water Spinach around Jul 17 (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