When should I plant Cà chua in Zone 3b?

Start Cà chua seeds indoors around 3 Th4. Transplant outdoors after 29 Th5. Expect first harvest around 2 Th8.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is 15 Th5. The first fall frost averages 22 Th9, giving a 130-day growing season.

Can I grow Cà chua in Zone 3b?

Yes. Cà chua needs 75 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

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🍅 Growing Cà chua in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Cà chua early indoors to maximize your harvest window. Sương giá cuối: 15 Th5. Sương giá đầu: 22 Th9.

Planting Calendar

Indoor

Outdoor

Harvest

3 Th422 Th9

Season: 15 Th5 – 22 Th9 (130 ngày)

Vùng3b

Sương giá cuối15 Th5

Sương giá đầu22 Th9

Mùa vụ130 ngày

Thu hoạch75 ngày

Ánh sángNắng hoàn toàn

When to Plant Cà chua in Zone 3b

Start Seeds Indoors: 3 Th4

Start Cà chua seeds indoors around 3 Th4 (6 tuần trước sương giá cuối). Optimal germination temperature: 80F. Germinates in 6-14 days.

Transplant Outdoors: 29 Th5

Transplant Cà chua seedlings outdoors after 29 Th5. Wait until soil temperature reaches 60F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 2 Th8

First harvest approximately 2 Th8 (~65 ngày from transplant). Continue harvesting until first frost (22 Th9).

Cây trồng đồng hành

✅ Tỏi✅ Măng tây✅ Húng quế✅ Cà rốt✅ Cúc vạn thọ✅ Ớt✅ Hành tây

❌ Khoai tây❌ Thì là Ý❌ Ngô❌ Su hào

Cà chua 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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