When to Plant Rhubarb in Zone 9
In USDA zone 9, plant outdoors March 1 to March 15, and expect your first harvest around March 15.
Rhubarb planting calendar for USDA Zone 9
Direct sow
Mar 1
Projected first harvest
Mar 15
Most rhubarb mature in about 14 days. Dates use USDA zone 9a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 9 means for rhubarb
Average last spring frost
March 1
Average first fall frost
December 1
Those two dates are what set the schedule above. Zone 9 gives you roughly 275 frost-free days, and rhubarb need about 14 days to mature.
Varieties to grow
2 varieties of rhubarb in the HomeSown library. Tap any for its full grow guide.
Common problems with rhubarb
What to watch for, with identification and treatment for each
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