زراعة Rhubarb في المنطقة 5b
Zone 5b has cold winters and a moderate growing season. Timing is key for Rhubarb in this zone. آخر صقيع: 28 أبريل. أول صقيع: 8 أكتوبر.
Planting Calendar
Season: 28 أبريل – 8 أكتوبر (163 يوم)
When to Plant Rhubarb in Zone 5b
Start Seeds Indoors: 17 فبراير
Start Rhubarb seeds indoors around 17 فبراير (10 أسابيع قبل آخر صقيع). Optimal germination temperature: 65F. Germinates in 7-21 days.
Transplant Outdoors: 31 مارس
Transplant Rhubarb seedlings outdoors after 31 مارس. Wait until soil temperature reaches 40F. Space plants at 1/م² (30cm تباعد). Harden off plants for a week before moving outside.
Harvest: 31 مارس
First harvest approximately 31 مارس (~365 يوم from transplant). Continue harvesting until first frost (8 أكتوبر). Rhubarb can overwinter in mild climates for continued harvest.
Rhubarb في مناطق أخرى
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 13bخطط حديقتك Rhubarb
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