When should I plant Rhubarb in Zone 8a?

Start Rhubarb seeds indoors around 1月25日. Transplant outdoors after 3月8日. Expect first harvest around 3月8日.

What is the last frost date for Zone 8a?

The average last spring frost date for Zone 8a is 4月5日. The first fall frost averages 10月28日, 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.

种植 Rhubarb 区域 8a

Zone 8a has warm winters and an extended growing season -- excellent for heat-loving crops like Rhubarb. 末次霜冻: 4月5日. 初次霜冻: 10月28日.

Planting Calendar

Indoor

Outdoor

Harvest

1月25日10月28日

Season: 4月5日 – 10月28日 (206 天)

区域8a

末次霜冻4月5日

初次霜冻10月28日

生长季206 天

收获90 天

日照全日照

When to Plant Rhubarb in Zone 8a

Start Seeds Indoors: 1月25日

Start Rhubarb seeds indoors around 1月25日 (10 周(最后霜冻前)). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 3月8日

Transplant Rhubarb seedlings outdoors after 3月8日. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm 间距). Harden off plants for a week before moving outside.

Harvest: 3月8日

First harvest approximately 3月8日 (~365 天 from transplant). Continue harvesting until first frost (10月28日). Rhubarb can overwinter in mild climates for continued harvest.

Rhubarb 其他区域

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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