When to Plant Mint in Delaware
Delaware spans USDA hardiness 7a to 8a (zones 7a to 8a on this page). Plant mint by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 7a · Zone 7b · Zone 8a
Mint planting calendar for Delaware, Zone 7a
Average last spring frost
April 15
Average first fall frost
October 20
Direct sow
Apr 29
Projected first harvest
Jun 28
Most mint mature in about 60 days. Full zone 7 guide (both 7a and 7b) →
Mint planting calendar for Delaware, Zone 7b
Average last spring frost
April 10
Average first fall frost
October 30
Direct sow
Apr 24
Projected first harvest
Jun 23
Most mint mature in about 60 days. Full zone 7 guide (both 7a and 7b) →
Mint planting calendar for Delaware, Zone 8a
Average last spring frost
April 1
Average first fall frost
November 10
Direct sow
Apr 15
Projected first harvest
Jun 14
Most mint mature in about 60 days. Full zone 8 guide (both 8a and 8b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
7 varieties of mint in the HomeSown library. Tap any for its full grow guide.
Common problems with mint
What to watch for, with identification and treatment for each
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