When should I plant Rau diếp in Zone 4a?

Start Rau diếp seeds indoors around 24 Th3. Transplant outdoors after 14 Th4. Expect first harvest around 19 Th5.

What is the last frost date for Zone 4a?

The average last spring frost date for Zone 4a is 5 Th5. The first fall frost averages 1 Th10, giving a 149-day growing season.

Can I grow Rau diếp in Zone 4a?

Yes. Rau diếp needs 45 days to harvest. Zone 4a has a 149-day growing season, which is sufficient. You can plant up to 7 successions.

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🥬 Growing Rau diếp in Zone 4a

Zone 4a has cold winters and a moderate growing season. Timing is key for Rau diếp in this zone. Sương giá cuối: 5 Th5. Sương giá đầu: 1 Th10.

Planting Calendar

Indoor

Outdoor

Harvest

24 Th31 Th10

Season: 5 Th5 – 1 Th10 (149 ngày) · Succession: plant every 2 weeks (up to 7x)

Vùng4a

Sương giá cuối5 Th5

Sương giá đầu1 Th10

Mùa vụ149 ngày

Thu hoạch45 ngày

Ánh sángNắng một phần

When to Plant Rau diếp in Zone 4a

Start Seeds Indoors: 24 Th3

Start Rau diếp seeds indoors around 24 Th3 (6 tuần trước sương giá cuối). Optimal germination temperature: 65F. Germinates in 4-10 days.

Transplant Outdoors: 14 Th4

Transplant Rau diếp seedlings outdoors after 14 Th4. Wait until soil temperature reaches 40F. Space plants at 4/m² (15cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 19 Th5

First harvest approximately 19 Th5 (~35 ngày from transplant). Continue harvesting until first frost (1 Th10).

Fall Planting: 6 Th8

For a fall harvest, plant Rau diếp around 6 Th8 (8 weeks before first frost).

Cây trồng đồng hành

✅ Dâu tây✅ Cà rốt✅ Củ dền✅ Dưa chuột✅ Củ cải đỏ

Rau diếp 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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