When should I plant Rhubarb in Zone 12a?

Start Rhubarb seeds indoors around 10月23日. Transplant outdoors after 12月4日. Expect first harvest around 12月4日.

What is the last frost date for Zone 12a?

The average last spring frost date for Zone 12a is 1月1日. The first fall frost averages 12月31日, giving a 364-day growing season.

Can I grow Rhubarb in Zone 12a?

Yes. Rhubarb needs 90 days to harvest. Zone 12a has a 364-day growing season, which is sufficient.

种植 Rhubarb 区域 12a

Zone 12a has a year-round growing season. Rhubarb can be planted almost any time with proper planning. 末次霜冻: 1月1日. 初次霜冻: 12月31日.

Planting Calendar

Indoor

Outdoor

Harvest

10月23日12月31日

Season: 1月1日 – 12月31日 (364 天)

区域12a

末次霜冻1月1日

初次霜冻12月31日

生长季364 天

收获90 天

日照全日照

When to Plant Rhubarb in Zone 12a

Start Seeds Indoors: 10月23日

Start Rhubarb seeds indoors around 10月23日 (10 周(最后霜冻前)). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 12月4日

Transplant Rhubarb seedlings outdoors after 12月4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: 12月4日

First harvest approximately 12月4日 (~365 天 from transplant). Continue harvesting until first frost (12月31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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