Location almanac
Chill hours in A1M
The short answer
A1M averages 1,635 chill hours per winter (1,418–1,859 across 10 years) in USDA zone 7b.
Climate profile
| Average chill hours | 1,635 (1,418–1,859 across 10 winters) |
|---|---|
| USDA hardiness zone | 7b (NRCan zone 5b) |
| Last spring frost | typically May 3 – May 25 |
| First fall frost | typically November 5 – November 18 |
Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023 / NRCan 1981–2010. Data updated July 3, 2026. See methodology.
What grows here
Every variety in our database, checked against A1M’s chill hours and zone:
Good fit (161)
Chill and zone requirements are comfortably met in A1M.
| Variety | Fruit |
|---|---|
| Acey Mac | Apple |
| Akane | Apple |
| Anna | Apple |
| Arkansas Black | Apple |
| Braeburn | Apple |
| Cameo | Apple |
| CandyCrisp | Apple |
| Cortland | Apple |
| Cox's Orange Pippin | Apple |
| CrimsonCrisp | Apple |
| Dorsett Golden | Apple |
| Earligold | Apple |
| Empire | Apple |
| Fortune | Apple |
| Fuji | Apple |
| Gala | Apple |
| Ginger Gold | Apple |
| GoldRush | Apple |
| Golden Delicious | Apple |
| Golden Supreme | Apple |
| Granny Smith | Apple |
| Gravenstein | Apple |
| Honeycrisp | Apple |
| Jonagold | Apple |
| Jonamac | Apple |
| Jonathan | Apple |
| Liberty | Apple |
| Lodi | Apple |
| McIntosh | Apple |
| Mutsu | Apple |
Show 131 more good fit varieties
- Northern Spy
- Paula Red
- Pink Lady
- Prima
- Red Delicious
- Rome Beauty
- Sansa
- Spartan
- Stayman
- Suncrisp
- Sweet Sixteen
- Topaz
- TropicSweet
- Wealthy
- Winesap
- Yellow Transparent
- Blenheim
- Goldcot
- Harcot
- Moongold
- Moorpark
- Puget Gold
- Sungold
- Tilton
- Tomcot
- Wenatchee Moorpark
- Black Mission
- Brown Turkey
- Desert King
- Kadota
- Violette de Bordeaux
- Arctic Star
- Double Delight
- Fantasia
- Flavortop
- Harko
- Independence
- Mericrest
- Panamint
- Snow Queen
- August Pride
- Babcock
- Belle of Georgia
- Contender
- Cresthaven
- Donut
- Elberta
- Eva's Pride
- Flameprince
- Flordacrest
- Flordaprince
- Frost
- Gulfprince
- Harvester
- Junegold
- Loring
- Mid-Pride
- O'Henry
- Redglobe
- Redhaven
- Redskin
- Reliance
- Suncrest
- Tropic Snow
- TropicBeauty
- UFGold
- UFOne
- UFSun
- 20th Century
- Bartlett
- Bosc
- Chojuro
- Comice
- D'Anjou
- Harrow Delight
- Hosui
- Kieffer
- Moonglow
- Seckel
- Shinko
- Shinseiki
- Summercrisp
- Warren
- Yoinashi
- Fuyu
- Hachiya
- Meader
- Prok
- Saijo
- Alderman
- Beauty
- Blue Damson
- Burgundy
- Dapple Dandy
- Elephant Heart
- Flavor Grenade
- Flavor King
- Flavor Supreme
- French Improved Prune
- Green Gage
- Italian Prune
- Methley
- Santa Rosa
- Satsuma
- Shiro
- Stanley
- Superior
- Angel Red
- Parfianka
- Salavatski
- Bing
- Black Tartarian
- Brooks
- Craig's Crimson
- Kansas Sweet
- Lambert
- Lapins
- Rainier
- Royal Ann
- Royal Rainier
- Stella
- Sunburst
- Sweetheart
- Van
- Balaton
- Early Richmond
- English Morello
- Evans Bali
- Meteor
- Montmorency
- North Star
Plan the year in zone 7
Questions
- How many chill hours does A1M get?
- A1M averages 1635 chill hours per winter, ranging from 1418 to 1859 across the last 10 years.
- What hardiness zone is A1M?
- A1M is in USDA hardiness zone 7b.
Growing fruit trees in A1M? Get a care calendar anchored to this exact climate, with email reminders.
Start My OrchardSources
- [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
- [2] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026