When should I plant Bạc hà in Zone 9b?

Start Bạc hà seeds indoors around 13 Th1. Transplant outdoors after 24 Th2. Expect first harvest around 25 Th4.

What is the last frost date for Zone 9b?

The average last spring frost date for Zone 9b is 10 Th3. The first fall frost averages 15 Th11, giving a 250-day growing season.

Can I grow Bạc hà in Zone 9b?

Yes. Bạc hà needs 60 days to harvest. Zone 9b has a 250-day growing season, which is sufficient.

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🍃 Growing Bạc hà in Zone 9b

Zone 9b has warm winters and an extended growing season -- excellent for heat-loving crops like Bạc hà. Sương giá cuối: 10 Th3. Sương giá đầu: 15 Th11.

Planting Calendar

Indoor

Outdoor

Harvest

13 Th115 Th11

Season: 10 Th3 – 15 Th11 (250 ngày)

Vùng9b

Sương giá cuối10 Th3

Sương giá đầu15 Th11

Mùa vụ250 ngày

Thu hoạch60 ngày

Ánh sángNắng một phần

When to Plant Bạc hà in Zone 9b

Start Seeds Indoors: 13 Th1

Start Bạc hà seeds indoors around 13 Th1 (8 tuần trước sương giá cuối). Optimal germination temperature: 70F. Germinates in 10-16 days.

Transplant Outdoors: 24 Th2

Transplant Bạc hà seedlings outdoors after 24 Th2. Wait until soil temperature reaches 50F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 25 Th4

First harvest approximately 25 Th4 (~60 ngày from transplant). Continue harvesting until first frost (15 Th11). Bạc hà can overwinter in mild climates for continued harvest.

Cây trồng đồng hành

✅ Bắp cải✅ Cà chua

❌ Hoa cúc La Mã

Bạc hà 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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