Bottle Gourd illustration

Growing Bottle Gourd in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Bottle Gourd in this zone. Last frost: May 1. First frost: Oct 5.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 3Oct 5

Season: May 1 – Oct 5 (157 days)

Zone4b
Last FrostMay 1
First FrostOct 5
Season Length157 days
Days to Harvest60
SunFull Sun
Frost ToleranceNone
Spacing1/sqft (12" apart)

When to Plant Bottle Gourd in Zone 4b

Start Seeds Indoors: Apr 3

Start Bottle Gourd seeds indoors around Apr 3 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 7–14 days.

Transplant Outdoors: May 15

Transplant Bottle Gourd seedlings outdoors after May 15. Wait until soil temperature reaches 65°F. Space plants at 1/sqft (12" apart). Harden off plants for a week before moving outside.

Harvest: Aug 13

First harvest approximately Aug 13 (~90 days from transplant). Continue harvesting until first frost (Oct 5).

Plan Your Bottle Gourd Garden

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

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