When to Plant Scarlet Runner Bean in Zone 9
In USDA zone 9a, plant outdoors March 8 to May 12, and expect your first harvest around May 12. (9a shown here — see 9a and 9b dates separately below.)
Scarlet Runner Bean planting calendar for USDA Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Direct sow
Mar 8
Projected first harvest
May 12
Scarlet Runner Bean is ready to harvest in about 65 days, needing roughly 275 frost-free days in zone 9a.
Scarlet Runner Bean planting calendar for USDA Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
Direct sow
Feb 22
Projected first harvest
Apr 28
Scarlet Runner Bean is ready to harvest in about 65 days, needing roughly 303 frost-free days in zone 9b.
Not sure whether you're in 9a or 9b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of scarlet runner bean in the HomeSown library. Tap any for its full grow guide.
Common problems with scarlet runner bean
What to watch for, with identification and treatment for each
🌱 Grow scarlet runner bean 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 →