When should I plant Rhubarb in Zone 8a?

Start Rhubarb seeds indoors around 25 Th1. Transplant outdoors after 8 Th3. Expect first harvest around 8 Th3.

What is the last frost date for Zone 8a?

The average last spring frost date for Zone 8a is 5 Th4. The first fall frost averages 28 Th10, giving a 206-day growing season.

Can I grow Rhubarb in Zone 8a?

Yes. Rhubarb needs 90 days to harvest. Zone 8a has a 206-day growing season, which is sufficient.

Growing Rhubarb in Zone 8a

Zone 8a has warm winters and an extended growing season -- excellent for heat-loving crops like Rhubarb. Sương giá cuối: 5 Th4. Sương giá đầu: 28 Th10.

Planting Calendar

Indoor

Outdoor

Harvest

25 Th128 Th10

Season: 5 Th4 – 28 Th10 (206 ngày)

Vùng8a

Sương giá cuối5 Th4

Sương giá đầu28 Th10

Mùa vụ206 ngày

Thu hoạch90 ngày

Ánh sángNắng hoàn toàn

When to Plant Rhubarb in Zone 8a

Start Seeds Indoors: 25 Th1

Start Rhubarb seeds indoors around 25 Th1 (10 tuần trước sương giá cuối). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 8 Th3

Transplant Rhubarb seedlings outdoors after 8 Th3. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm khoảng cách). Harden off plants for a week before moving outside.

Harvest: 8 Th3

First harvest approximately 8 Th3 (~365 ngày from transplant). Continue harvesting until first frost (28 Th10). 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

Plan Your Garden Rhubarb

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

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