Bitter Gourd illustration

Growing Bitter Gourd in Zone 10b

Zone 10b has a year-round growing season. Bitter Gourd can be planted almost any time with proper planning. Last frost: Jan 28. First frost: Dec 22.

Planting Calendar

Indoor
Outdoor
Harvest
Dec 31Dec 22

Season: Jan 28 – Dec 22 (328 days)

Zone10b
Last FrostJan 28
First FrostDec 22
Season Length328 days
Days to Harvest55
SunFull Sun
Frost ToleranceNone
Spacing2/sqft (6-8" apart)

When to Plant Bitter Gourd in Zone 10b

Start Seeds Indoors: Dec 31

Start Bitter Gourd seeds indoors around Dec 31 (4 weeks before last frost). Optimal germination temperature: 85°F. Germinates in 7–14 days.

Transplant Outdoors: Feb 11

Transplant Bitter Gourd seedlings outdoors after Feb 11. 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: May 12

First harvest approximately May 12 (~90 days from transplant). Continue harvesting until first frost (Dec 22).

Plan Your Bitter Gourd Garden

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

Start Free Bitter Gourd Growing Guide