Seed Starting Calculator
Know exactly when to start seeds
Pick a crop and your key date. Plantometry counts back from frost or your transplant date to tell you when to sow indoors, when to move plants out, and when direct sowing is an option.
Seed-starting timing is crop-specific, so a crop is required here.
The average last spring frost for your area. Look it up by ZIP if unsure.
Your sowing timeline
Enter your details on the left to see results here.