When should I plant Labu in Zone 4b?

Start Labu seeds indoors around Apr 3. Transplant outdoors after May 15. Expect first harvest around Jun 29.

What is the last frost date for Zone 4b?

The average last spring frost date for Zone 4b is May 1. The first fall frost averages Oct 5, giving a 157-day growing season.

Can I grow Labu in Zone 4b?

Yes. Labu needs 55 days to harvest. Zone 4b has a 157-day growing season, which is sufficient. You can plant up to 4 successions.

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🟡 Growing Labu in Zone 4b

Zone 4b has cold winters and a moderate growing season. Timing is key for Labu in this zone. Fros terakhir: May 1. Fros pertama: Oct 5.

Planting Calendar

Indoor

Outdoor

Harvest

Apr 3Oct 5

Season: May 1 – Oct 5 (157 hari) · Succession: plant every 3 weeks (up to 4x)

Zon4b

Fros terakhirMay 1

Fros pertamaOct 5

Musim157 hari

Tuaian55 hari

MatahariMatahari Penuh

When to Plant Labu in Zone 4b

Start Seeds Indoors: Apr 3

Start Labu seeds indoors around Apr 3 (4 minggu sebelum fros terakhir). Optimal germination temperature: 85F. Germinates in 4-10 days.

Transplant Outdoors: May 15

Transplant Labu seedlings outdoors after May 15. Wait until soil temperature reaches 65F. Space plants at 1/m² (30cm jarak). Harden off plants for a week before moving outside.

Harvest: Jun 29

First harvest approximately Jun 29 (~45 hari from transplant). Continue harvesting until first frost (Oct 5).

Labu 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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