When should I plant Rhubarb in Zone 11a?

Start Rhubarb seeds indoors around 11月19日. Transplant outdoors after 12月31日. Expect first harvest around 12月31日.

What is the last frost date for Zone 11a?

The average last spring frost date for Zone 11a is 1月28日. The first fall frost averages 12月22日, giving a 328-day growing season.

Can I grow Rhubarb in Zone 11a?

Yes. Rhubarb needs 90 days to harvest. Zone 11a has a 328-day growing season, which is sufficient.

种植 Rhubarb 区域 11a

Zone 11a has a year-round growing season. Rhubarb can be planted almost any time with proper planning. 末次霜冻: 1月28日. 初次霜冻: 12月22日.

Planting Calendar

Indoor

Outdoor

Harvest

11月19日12月22日

Season: 1月28日 – 12月22日 (328 天)

区域11a

末次霜冻1月28日

初次霜冻12月22日

生长季328 天

收获90 天

日照全日照

When to Plant Rhubarb in Zone 11a

Start Seeds Indoors: 11月19日

Start Rhubarb seeds indoors around 11月19日 (10 周(最后霜冻前)). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 12月31日

Transplant Rhubarb seedlings outdoors after 12月31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31日

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

规划花园 Rhubarb

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

Start Free Rhubarb Growing Guide