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
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).
Bottle Gourd 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 13bPlan 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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