When should I plant Rhubarb in Zone 1a?

Start Rhubarb seeds indoors around 16 mar.. Transplant outdoors after 27 kwi.. Expect first harvest around 27 kwi..

What is the last frost date for Zone 1a?

The average last spring frost date for Zone 1a is 25 maj. The first fall frost averages 28 sie., 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.

Uprawa Rhubarb w Strefie 1a

Zone 1a has harsh winters and a short growing season. Start Rhubarb early indoors to maximize your harvest window. Ostatni przymrozek: 25 maj. Pierwszy przymrozek: 28 sie..

Planting Calendar

Indoor

Outdoor

Harvest

16 mar.28 sie.

Season: 25 maj – 28 sie. (95 dni)

Strefa1a

Ostatni przymrozek25 maj

Pierwszy przymrozek28 sie.

Sezon95 dni

Zbiory90 dni

SłońcePełne słońce

When to Plant Rhubarb in Zone 1a

Start Seeds Indoors: 16 mar.

Start Rhubarb seeds indoors around 16 mar. (10 tygodni przed ostatnim mrozem). Optimal germination temperature: 65F. Germinates in 7-21 days.

Transplant Outdoors: 27 kwi.

Transplant Rhubarb seedlings outdoors after 27 kwi.. Wait until soil temperature reaches 40F. Space plants at 1/m² (30cm odstęp). Harden off plants for a week before moving outside.

Harvest: 27 kwi.

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

Rhubarb w Innych Strefach

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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