When to Plant Rhubarb in Zone 10
In USDA zone 10a, plant outdoors January 30 to February 13, and expect your first harvest around February 13. (10a shown here — see 10a and 10b dates separately below.)
Rhubarb planting calendar for USDA Zone 10a
Average last spring frost
January 30
Average first fall frost
December 30
Direct sow
Jan 30
Projected first harvest
Feb 13
Most rhubarb mature in about 14 days, needing roughly 334 frost-free days in zone 10a.
Rhubarb planting calendar for USDA Zone 10b
Average last spring frost
January 30
Average first fall frost
December 30
Direct sow
Jan 30
Projected first harvest
Feb 13
Most rhubarb mature in about 14 days, needing roughly 334 frost-free days in zone 10b.
Not sure whether you're in 10a or 10b? Set your ZIP in HomeSown for dates tuned to your exact location.
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
🌱 Grow rhubarb with a calendar built for your exact yard
HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.
Start your free garden →