When should I plant Thì là in Zone 5b?

Direct sow Thì là outdoors around 14 Th4. Expect first harvest around 24 Th5.

What is the last frost date for Zone 5b?

The average last spring frost date for Zone 5b is 28 Th4. The first fall frost averages 8 Th10, giving a 163-day growing season.

Yes. Thì là needs 40 days to harvest. Zone 5b has a 163-day growing season, which is sufficient. You can plant up to 5 successions.

Zone 5b has cold winters and a moderate growing season. Timing is key for Thì là in this zone. Sương giá cuối: 28 Th4. Sương giá đầu: 8 Th10.

Outdoor

Harvest

14 Th48 Th10

Season: 28 Th4 – 8 Th10 (163 ngày) · Succession: plant every 3 weeks (up to 5x)

Vùng5b

Sương giá cuối28 Th4

Sương giá đầu8 Th10

Mùa vụ163 ngày

Thu hoạch40 ngày

Ánh sángNắng hoàn toàn

Direct sow Thì là seeds outdoors around 14 Th4. Wait until soil temperature reaches 50F. Space plants at 4/m² (15cm khoảng cách).

First harvest approximately 24 Th5 (~40 ngày from planting). Continue harvesting until first frost (8 Th10).

For a fall harvest, plant Thì là around 27 Th8 (6 weeks before first frost).

❌ Cà rốt

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

Track Thì là from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.