Growing Rhubarb in Zone 9a
Zone 9a has warm winters and an extended growing season -- excellent for heat-loving crops like Rhubarb. Τελευταίος παγετός: Mar 20. Πρώτος παγετός: Nov 12.
Planting Calendar
Season: Mar 20 – Nov 12 (237 ημέρες)
When to Plant Rhubarb in Zone 9a
Start Seeds Indoors: Jan 9
Start Rhubarb seeds indoors around Jan 9 (10 εβδομάδες πριν τον τελευταίο παγετό). Optimal germination temperature: 65F. Germinates in 7-21 days.
Transplant Outdoors: Feb 20
Transplant Rhubarb seedlings outdoors after Feb 20. Wait until soil temperature reaches 40F. Space plants at 1/μ² (30cm απόσταση). Harden off plants for a week before moving outside.
Harvest: Feb 20
First harvest approximately Feb 20 (~365 ημέρες from transplant). Continue harvesting until first frost (Nov 12). 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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