Spine Gourd illustration

Growing Spine Gourd in Zone 2a

Zone 2a has harsh winters and a short growing season. Start Spine Gourd early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 15.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 17Sep 15

Season: May 15 – Sep 15 (123 days)

Zone2a
Last FrostMay 15
First FrostSep 15
Season Length123 days
Days to Harvest55
SunFull Sun
Frost ToleranceNone
Spacing2/sqft (6-8" apart)

When to Plant Spine Gourd in Zone 2a

Start Seeds Indoors: Apr 17

Start Spine Gourd seeds indoors around Apr 17 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 7–14 days.

Transplant Outdoors: May 29

Transplant Spine Gourd seedlings outdoors after May 29. Wait until soil temperature reaches 65°F. Space plants at 2/sqft (6-8" apart). Harden off plants for a week before moving outside.

Harvest: Aug 27

First harvest approximately Aug 27 (~90 days from transplant). Continue harvesting until first frost (Sep 15).

Plan Your Spine Gourd Garden

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

Start Free Spine Gourd Growing Guide