The tools
Free fruit-tree tools
Every result is computed from cited climate and extension data. No account needed.
Chill hours
Look up your winter chill
Chill hours, zone, and frost dates for your ZIP or postal code — plus which varieties fit.
Variety fit
Check a variety against your ZIP
Pick a variety and enter your location for a plain verdict with reasoning and alternatives.
Pollination
Check two varieties for compatibility
Bloom-group overlap, triploid warnings, and partner suggestions.
Care calendar
Preview a year of care
This year's month-by-month care windows for a species at your location.