When should I plant Rhubarb in Zone 10b?

Start Rhubarb seeds indoors around 19 Th11. Transplant outdoors after 31 Th12. Expect first harvest around 31 Th12.

What is the last frost date for Zone 10b?

The average last spring frost date for Zone 10b is 28 Th1. The first fall frost averages 22 Th12, giving a 328-day growing season.

Can I grow Rhubarb in Zone 10b?

Yes. Rhubarb needs 90 days to harvest. Zone 10b has a 328-day growing season, which is sufficient.

Growing Rhubarb in Zone 10b

Zone 10b has a year-round growing season. Rhubarb can be planted almost any time with proper planning. Sương giá cuối: 28 Th1. Sương giá đầu: 22 Th12.

Planting Calendar

Indoor

Outdoor

Harvest

19 Th1122 Th12

Season: 28 Th1 – 22 Th12 (328 ngày)

Vùng10b

Sương giá cuối28 Th1

Sương giá đầu22 Th12

Mùa vụ328 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Rhubarb in Zone 10b

Start Seeds Indoors: 19 Th11

Start Rhubarb seeds indoors around 19 Th11 (10 tuần trước sương giá cuối). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 31 Th12

Transplant Rhubarb seedlings outdoors after 31 Th12. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 31 Th12

First harvest approximately 31 Th12 (~365 ngày from transplant). Continue harvesting until first frost (22 Th12). Rhubarb can overwinter in mild climates for continued harvest.

Rhubarb 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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