Planting Calendars by Zone
Select your USDA hardiness zone — or your exact subzone (a = colder, b = warmer) for more precise frost dates.
Zone
Subzone A — Colder
Subzone B — Warmer
Zone 3
38 plants
May 15 frost
Zone 3a
Colder half · Last frost May 22
109 growing days
Zone 3b
Warmer half · Last frost May 8
137 growing days
Zone 4
40 plants
May 10 frost
Zone 4a
Colder half · Last frost May 17
124 growing days
Zone 4b
Warmer half · Last frost May 3
152 growing days
Zone 5
49 plants
Apr 30 frost
Zone 5a
Colder half · Last frost May 7
144 growing days
Zone 5b
Warmer half · Last frost Apr 23
172 growing days
Zone 6
49 plants
Apr 15 frost
Zone 6a
Colder half · Last frost Apr 22
169 growing days
Zone 6b
Warmer half · Last frost Apr 8
197 growing days
Zone 7
50 plants
Apr 5 frost
Zone 7a
Colder half · Last frost Apr 12
189 growing days
Zone 7b
Warmer half · Last frost Mar 29
217 growing days
Zone 8
50 plants
Mar 20 frost
Zone 8a
Colder half · Last frost Mar 27
216 growing days
Zone 8b
Warmer half · Last frost Mar 13
244 growing days
Zone 9
50 plants
Feb 28 frost
Zone 9a
Colder half · Last frost Mar 7
256 growing days
Zone 9b
Warmer half · Last frost Feb 21
284 growing days
Zone 10
50 plants
Feb 10 frost
Zone 10a
Colder half · Last frost Feb 17
289 growing days
Zone 10b
Warmer half · Last frost Feb 3
317 growing days
Not sure of your zone? Look it up on the USDA map →