Growing Rhubarb in Zone 1b
Zone 1b has harsh winters and a short growing season. Start Rhubarb early indoors to maximize your harvest window. கடைசி உறைபனி: May 25. முதல் உறைபனி: Aug 28.
Planting Calendar
Season: May 25 – Aug 28 (95 நாட்கள்)
When to Plant Rhubarb in Zone 1b
Start Seeds Indoors: Mar 16
Start Rhubarb seeds indoors around Mar 16 (10 கடைசி பனிப்புக் குளிருக்கு முன் வாரங்கள்). Optimal germination temperature: 65F. Germinates in 7-21 days.
Transplant Outdoors: Apr 27
Transplant Rhubarb seedlings outdoors after Apr 27. Wait until soil temperature reaches 40F. Space plants at 1/மீ² (30cm இடைவெளி). Harden off plants for a week before moving outside.
Harvest: Apr 27
First harvest approximately Apr 27 (~365 நாட்கள் from transplant). Continue harvesting until first frost (Aug 28). Rhubarb can overwinter in mild climates for continued harvest.
Rhubarb in Other Zones
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 13bPlan Your Garden Rhubarb
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