When to Plant Marshmallow in Florida
Florida spans USDA hardiness 8b to 11b (zones 8b to 11b on this page). Plant marshmallow by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 8b · Zone 9a · Zone 9b · Zone 10a · Zone 10b · Zone 11a · Zone 11b
Marshmallow planting calendar for Florida, Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Start seeds indoors
Jan 23
Transplant outdoors
Apr 3
Projected first harvest
Aug 1
Marshmallow is ready to harvest in about 120 days. Full zone 8 guide (both 8a and 8b) →
Marshmallow planting calendar for Florida, Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Start seeds indoors
Jan 4
Transplant outdoors
Mar 15
Projected first harvest
Jul 13
Marshmallow is ready to harvest in about 120 days. Full zone 9 guide (both 9a and 9b) →
Marshmallow planting calendar for Florida, Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
Start seeds indoors
Dec 21
Transplant outdoors
Mar 1
Projected first harvest
Jun 29
Marshmallow is ready to harvest in about 120 days. Full zone 9 guide (both 9a and 9b) →
Marshmallow planting calendar for Florida, Zone 10a
Average last spring frost
January 30
Average first fall frost
December 30
Start seeds indoors
Dec 5
Transplant outdoors
Feb 13
Projected first harvest
Jun 13
Marshmallow is ready to harvest in about 120 days. Full zone 10 guide (both 10a and 10b) →
Marshmallow planting calendar for Florida, Zone 10b
Average last spring frost
January 30
Average first fall frost
December 30
Start seeds indoors
Dec 5
Transplant outdoors
Feb 13
Projected first harvest
Jun 13
Marshmallow is ready to harvest in about 120 days. Full zone 10 guide (both 10a and 10b) →
Marshmallow planting calendar for Florida, Zone 11a
Zone 11a doesn't get a seasonal frost — marshmallow plants on a warm/cool-season calendar instead of frost dates.
Best planting window
Year-round
🌴 Your zone never frosts, so planting is timed to the cooler vs. warmer seasons rather than a frost date.
Marshmallow is ready to harvest in about 120 days.
Marshmallow planting calendar for Florida, Zone 11b
Zone 11b doesn't get a seasonal frost — marshmallow plants on a warm/cool-season calendar instead of frost dates.
Best planting window
Year-round
🌴 Your zone never frosts, so planting is timed to the cooler vs. warmer seasons rather than a frost date.
Marshmallow is ready to harvest in about 120 days.
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of marshmallow in the HomeSown library. Tap any for its full grow guide.
Common problems with marshmallow
What to watch for, with identification and treatment for each
🌱 Grow marshmallow with a calendar built for your exact yard
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