When should I plant Rhubarb in Zone 10a?

Start Rhubarb seeds indoors around 12 Th12. Transplant outdoors after 23 Th1. Expect first harvest around 23 Th1.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is 20 Th2. The first fall frost averages 1 Th12, giving a 284-day growing season.

Can I grow Rhubarb in Zone 10a?

Yes. Rhubarb needs 90 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

Growing Rhubarb in Zone 10a

Zone 10a has a year-round growing season. Rhubarb can be planted almost any time with proper planning. Sương giá cuối: 20 Th2. Sương giá đầu: 1 Th12.

Planting Calendar

Indoor

Outdoor

Harvest

12 Th121 Th12

Season: 20 Th2 – 1 Th12 (284 ngày)

Vùng10a

Sương giá cuối20 Th2

Sương giá đầu1 Th12

Mùa vụ284 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Rhubarb in Zone 10a

Start Seeds Indoors: 12 Th12

Start Rhubarb seeds indoors around 12 Th12 (10 tuần trước sương giá cuối). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 23 Th1

Transplant Rhubarb seedlings outdoors after 23 Th1. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 23 Th1

First harvest approximately 23 Th1 (~365 ngày from transplant). Continue harvesting until first frost (1 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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