When should I plant Rhubarb in Zone 9a?

Start Rhubarb seeds indoors around 1월 9일. Transplant outdoors after 2월 20일. Expect first harvest around 2월 20일.

What is the last frost date for Zone 9a?

The average last spring frost date for Zone 9a is 3월 20일. The first fall frost averages 11월 12일, giving a 237-day growing season.

Can I grow Rhubarb in Zone 9a?

Yes. Rhubarb needs 90 days to harvest. Zone 9a has a 237-day growing season, which is sufficient.

재배 Rhubarb 존 9a

Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Rhubarb. 마지막 서리: 3월 20일. 첫 서리: 11월 12일.

Planting Calendar

Indoor

Outdoor

Harvest

1월 9일11월 12일

Season: 3월 20일 – 11월 12일 (237 일)

구역9a

마지막 서리3월 20일

첫 서리11월 12일

시즌237 일

수확90 일

일조전일조

When to Plant Rhubarb in Zone 9a

Start Seeds Indoors: 1월 9일

Start Rhubarb seeds indoors around 1월 9일 (10 주 전 (마지막 서리)). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 2월 20일

Transplant Rhubarb seedlings outdoors after 2월 20일. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm 간격). Harden off plants for a week before moving outside.

Harvest: 2월 20일

First harvest approximately 2월 20일 (~365 일 from transplant). Continue harvesting until first frost (11월 12일). Rhubarb can overwinter in mild climates for continued harvest.

Rhubarb 다른 존

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

정원 계획 Rhubarb

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

Start Free Rhubarb Growing Guide