When should I plant Bitter Gourd in Zone 4a?

Start Bitter Gourd seeds indoors around Apr 7. Transplant outdoors after May 19. Expect first harvest around Aug 17.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is May 5. The first fall frost averages Oct 1, giving a 149-day growing season.

Can I grow Bitter Gourd in Zone 4a?

Yes. Bitter Gourd needs 55 days to harvest. Zone 4a has a 149-day growing season, which is sufficient.

Growing Bitter Gourd in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Bitter Gourd in this zone. כפור אחרון: May 5. כפור ראשון: Oct 1.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 7Oct 1

Season: May 5 – Oct 1 (149 ימים)

אזור4a

כפור אחרוןMay 5

כפור ראשוןOct 1

עונה149 ימים

קטיף55 ימים

שמששמש מלאה

When to Plant Bitter Gourd in Zone 4a

Start Seeds Indoors: Apr 7

Start Bitter Gourd seeds indoors around Apr 7 (4 שבועות לפני הכפור האחרון). Optimal germination temperature: 85F. Germinates in 7-14 days.

Transplant Outdoors: May 19

Transplant Bitter Gourd seedlings outdoors after May 19. Wait until soil temperature reaches 65F. Space plants at 2/מ² (15-20cm מרווח). Harden off plants for a week before moving outside.

Harvest: Aug 17

First harvest approximately Aug 17 (~90 ימים from transplant). Continue harvesting until first frost (Oct 1).

Bitter 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 13b

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