When should I plant Rhubarb in Zone 1a?

Start Rhubarb seeds indoors around 16 мар.. Transplant outdoors after 27 апр.. Expect first harvest around 27 апр..

What is the last frost date for Zone 1a?

The average last spring frost date for Zone 1a is 25 май. The first fall frost averages 28 авг., giving a 95-day growing season.

Can I grow Rhubarb in Zone 1a?

Yes. Rhubarb needs 90 days to harvest. Zone 1a has a 95-day growing season, which is sufficient.

Выращивание Rhubarb в зоне 1a

Zone 1a has harsh winters and a short growing season. Start Rhubarb early indoors to maximize your harvest window. Последний заморозок: 25 май. Первый заморозок: 28 авг..

Planting Calendar

Indoor

Outdoor

Harvest

16 мар.28 авг.

Season: 25 май – 28 авг. (95 дней)

Зона1a

Последний заморозок25 май

Первый заморозок28 авг.

Сезон95 дней

Урожай90 дней

СолнцеПолное солнце

When to Plant Rhubarb in Zone 1a

Start Seeds Indoors: 16 мар.

Start Rhubarb seeds indoors around 16 мар. (10 недель до последнего заморозка). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 27 апр.

Transplant Rhubarb seedlings outdoors after 27 апр.. Wait until soil temperature reaches 40F. Space plants at 1/м² (30cm расстояние). Harden off plants for a week before moving outside.

Harvest: 27 апр.

First harvest approximately 27 апр. (~365 дней from transplant). Continue harvesting until first frost (28 авг.). Rhubarb can overwinter in mild climates for continued harvest.

Rhubarb в других зонах

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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