๐ฑ Gardening
Planting Date Calculator
Everything in a vegetable calendar hangs off two dates: the last frost in spring and the first frost in autumn. Once you have those, each crop can be pinned to a fixed number of weeks before or after, which turns seed packets into actual dates.
How it works
Last spring frost
First autumn frost
Crop hardiness
Starting method
Days to maturity
Safe sowing / transplant date
Start seeds indoors
Move outside
Harvest begins
Harvest ends
Growing days available
Days to spare before frost
What this means
Frequently asked questions
How do I use the Planting Date Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.