A cited almanac for backyard orchards
Will this fruit tree thrive at your address?
Chill hours, hardiness zone, pollination partners, and a per-month care calendar for every US ZIP code and Canadian postal code — every figure cited to a named source: university-extension, government, or nursery.
Browse by fruit
The tools
Chill hours
Look up your winter chill
Average chill hours, zone, and frost dates for your ZIP or postal code.
Variety fit
Check a variety against your ZIP
A verdict with the reasoning: chill, zone, and what the sources say.
Pollination
Check two varieties for compatibility
Bloom-group overlap, triploid warnings, and partner suggestions.
Care calendar
Preview a year of care
Month-by-month timing for any species, anchored to your frost dates.
Every figure on every page carries a citation to a named source — a university-extension or government publication, or a nursery specification where that’s the only published figure (labeled as such). If we can’t source a fact, we leave it out.