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🍉 Growing Vattenmelon in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Vattenmelon early indoors to maximize your harvest window. Sista frost: May 15. Första frost: Sep 22.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 17Sep 22

Season: May 15 – Sep 22 (130 dagar)

Zon3b
Sista frostMay 15
Första frostSep 22
Säsong130 dagar
Skörd90 dagar
SolFull Sol

When to Plant Vattenmelon in Zone 3b

Start Seeds Indoors: Apr 17

Start Vattenmelon seeds indoors around Apr 17 (4 veckor före sista frosten). Optimal germination temperature: 85F. Germinates in 4-12 days.

Transplant Outdoors: May 29

Transplant Vattenmelon seedlings outdoors after May 29. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm avstånd). Harden off plants for a week before moving outside.

Harvest: Aug 12

First harvest approximately Aug 12 (~75 dagar from transplant). Continue harvesting until first frost (Sep 22).

Samplantering

✅ Majs✅ Krassar✅ Ringblommor✅ Rädisor
❌ Potatisar❌ Gurkor

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

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