Planting calendars by hardiness zone

Your hardiness zone is set by the coldest winter temperatures in your area. It decides your frost dates, and frost dates decide when to plant. Pick your zone for a full calendar, or read the guide to find yours.

How to find your hardiness zone · First and last frost dates explained

Zone 3

Last frost May 15

Zone 4

Last frost May 10

Zone 5

Last frost April 30

Zone 6

Last frost April 21

Zone 7

Last frost April 10

Zone 8

Last frost March 28

Zone 9

Last frost March 1

Zone 10

Last frost January 31

Zone 11

Last frost January 1

Plant at the right time this season

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