Seed starting calendar

When to start seeds indoors, by hardiness zone. 20 crops in the library are worth starting inside, and each one's date is counted back from your zone's last spring frost. Pick your zone for a dated list.

How to start seeds indoors, step by step · Find your frost dates

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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