When should I plant Rhubarb in Zone 3b?

Start Rhubarb seeds indoors around 3월 6일. Transplant outdoors after 4월 17일. Expect first harvest around 4월 17일.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is 5월 15일. The first fall frost averages 9월 22일, giving a 130-day growing season.

Can I grow Rhubarb in Zone 3b?

Yes. Rhubarb needs 90 days to harvest. Zone 3b has a 130-day growing season, which is sufficient.

재배 Rhubarb 존 3b

Zone 3b has harsh winters and a short growing season. Start Rhubarb early indoors to maximize your harvest window. 마지막 서리: 5월 15일. 첫 서리: 9월 22일.

Planting Calendar

Indoor

Outdoor

Harvest

3월 6일9월 22일

Season: 5월 15일 – 9월 22일 (130 일)

구역3b

마지막 서리5월 15일

첫 서리9월 22일

시즌130 일

수확90 일

일조전일조

When to Plant Rhubarb in Zone 3b

Start Seeds Indoors: 3월 6일

Start Rhubarb seeds indoors around 3월 6일 (10 주 전 (마지막 서리)). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 4월 17일

Transplant Rhubarb seedlings outdoors after 4월 17일. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm 간격). Harden off plants for a week before moving outside.

Harvest: 4월 17일

First harvest approximately 4월 17일 (~365 일 from transplant). Continue harvesting until first frost (9월 22일). 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