When should I plant Water Spinach in Zone 3a?

Direct sow Water Spinach outdoors around Apr 10. Expect first harvest around May 10.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is May 22. The first fall frost averages Sep 12, giving a 113-day growing season.

Can I grow Water Spinach in Zone 3a?

Yes. Water Spinach needs 30 days to harvest. Zone 3a has a 113-day growing season, which is sufficient. You can plant up to 5 successions.

Growing Water Spinach in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Water Spinach early indoors to maximize your harvest window. Sidste frost: May 22. Første frost: Sep 12.

Planting Calendar

Outdoor

Harvest

Apr 10Sep 12

Season: May 22 – Sep 12 (113 dage) · Succession: plant every 2 weeks (up to 5x)

Zone3a

Sidste frostMay 22

Første frostSep 12

Sæson113 dage

Høst30 dage

SolHalvskygge

When to Plant Water Spinach in Zone 3a

Sow Seeds Outdoors: Apr 10

Direct sow Water Spinach seeds outdoors around Apr 10. Wait until soil temperature reaches 35F. Space plants at 4/m² (15cm afstand).

Harvest: May 10

First harvest approximately May 10 (~30 dage from planting). Continue harvesting until first frost (Sep 12). Water Spinach can overwinter in mild climates for continued harvest.

Fall Planting: Aug 1

For a fall harvest, plant Water Spinach around Aug 1 (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 Garden Water Spinach

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

Start Free Water Spinach Growing Guide