Vattenmelon illustration 🍉

🍉 Growing Vattenmelon in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Vattenmelon early indoors to maximize your harvest window. Sista frost: May 22. Första frost: Sep 12.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 24Sep 12

Season: May 22 – Sep 12 (113 dagar)

Zon3a
Sista frostMay 22
Första frostSep 12
Säsong113 dagar
Skörd90 dagar
SolFull Sol

When to Plant Vattenmelon in Zone 3a

Start Seeds Indoors: Apr 24

Start Vattenmelon seeds indoors around Apr 24 (4 veckor före sista frosten). Optimal germination temperature: 85F. Germinates in 4-12 days.

Transplant Outdoors: Jun 5

Transplant Vattenmelon seedlings outdoors after Jun 5. Wait until soil temperature reaches 70F. Space plants at 1/m² (30cm avstånd). Harden off plants for a week before moving outside.

Harvest: Aug 19

First harvest approximately Aug 19 (~75 dagar from transplant). Continue harvesting until first frost (Sep 12).

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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