When should I plant Rhubarb in Zone 6b?

Start Rhubarb seeds indoors around 2月4日. Transplant outdoors after 3月18日. Expect first harvest around 3月18日.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is 4月15日. The first fall frost averages 10月22日, giving a 190-day growing season.

Can I grow Rhubarb in Zone 6b?

Yes. Rhubarb needs 90 days to harvest. Zone 6b has a 190-day growing season, which is sufficient.

种植 Rhubarb 区域 6b

Zone 6b has mild winters and a long growing season -- good conditions for Rhubarb. 末次霜冻: 4月15日. 初次霜冻: 10月22日.

Planting Calendar

Indoor

Outdoor

Harvest

2月4日10月22日

Season: 4月15日 – 10月22日 (190 天)

区域6b

末次霜冻4月15日

初次霜冻10月22日

生长季190 天

收获90 天

日照全日照

When to Plant Rhubarb in Zone 6b

Start Seeds Indoors: 2月4日

Start Rhubarb seeds indoors around 2月4日 (10 周(最后霜冻前)). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 3月18日

Transplant Rhubarb seedlings outdoors after 3月18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18日

First harvest approximately 3月18日 (~365 天 from transplant). Continue harvesting until first frost (10月22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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