When should I plant Súp lơ in Zone 3a?

Start Súp lơ seeds indoors around 10 Th4. Transplant outdoors after 8 Th5. Expect first harvest around 7 Th7.

What is the last frost date for Zone 3a?

The average last spring frost date for Zone 3a is 22 Th5. The first fall frost averages 12 Th9, giving a 113-day growing season.

Can I grow Súp lơ in Zone 3a?

Yes. Súp lơ needs 75 days to harvest. Zone 3a has a 113-day growing season, which is sufficient.

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🥦 Growing Súp lơ in Zone 3a

Zone 3a has harsh winters and a short growing season. Start Súp lơ early indoors to maximize your harvest window. Sương giá cuối: 22 Th5. Sương giá đầu: 12 Th9.

Planting Calendar

Indoor

Outdoor

Harvest

10 Th412 Th9

Season: 22 Th5 – 12 Th9 (113 ngày)

Vùng3a

Sương giá cuối22 Th5

Sương giá đầu12 Th9

Mùa vụ113 ngày

Thu hoạch75 ngày

Ánh sángNắng hoàn toàn

When to Plant Súp lơ in Zone 3a

Start Seeds Indoors: 10 Th4

Start Súp lơ seeds indoors around 10 Th4 (6 tuần trước sương giá cuối). Optimal germination temperature: 70F. Germinates in 5-10 days.

Transplant Outdoors: 8 Th5

Transplant Súp lơ seedlings outdoors after 8 Th5. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 7 Th7

First harvest approximately 7 Th7 (~60 ngày from transplant). Continue harvesting until first frost (12 Th9).

Fall Planting: 20 Th6

For a fall harvest, plant Súp lơ around 20 Th6 (12 weeks before first frost).

Cây trồng đồng hành

✅ Rau chân vịt ✅ Cần tây ✅ Cỏ xạ hương✅ Đậu

❌ Cà chua❌ Dâu tây❌ Đậu Hà Lan

Súp lơ 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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