Location almanac
Chill hours in A1C
The short answer
A1C averages 1,725 chill hours per winter (1,521–1,963 across 10 years) in USDA zone 7b.
Climate profile
| Average chill hours | 1,725 (1,521–1,963 across 10 winters) |
|---|---|
| USDA hardiness zone | 7b (NRCan zone 6a) |
| Last spring frost | typically May 7 – May 25 |
| First fall frost | typically October 30 – November 16 |
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 A1C’s chill hours and zone:
Good fit (138)
Chill and zone requirements are comfortably met in A1C.
| 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 108 more good fit varieties
- Northern Spy
- Paula Red
- Pink Lady
- Prima
- Red Delicious
- Rome Beauty
- Sansa
- Spartan
- Stayman
- Suncrisp
- Sweet Sixteen
- Topaz
- 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
- Belle of Georgia
- Contender
- Cresthaven
- Donut
- Elberta
- Frost
- Harvester
- O'Henry
- Redhaven
- Reliance
- Suncrest
- Tropic Snow
- 20th Century
- Bartlett
- Bosc
- Chojuro
- Comice
- D'Anjou
- Harrow Delight
- Hosui
- Kieffer
- 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
- Italian Prune
- Methley
- Santa Rosa
- Satsuma
- Shiro
- Stanley
- Superior
- Angel Red
- Parfianka
- Salavatski
- Bing
- Black Tartarian
- Craig's Crimson
- Kansas Sweet
- Lambert
- Lapins
- Rainier
- Royal Ann
- Royal Rainier
- Stella
- Sweetheart
- Van
- Balaton
- Early Richmond
- English Morello
- Evans Bali
- Meteor
- Montmorency
- North Star
Marginal (16)
Possible in a good year or a favorable microclimate — click through for the caveats.
| Variety | Fruit |
|---|---|
| TropicSweet | Apple |
| Flameprince | Peach |
| Flordacrest | Peach |
| Gulfprince | Peach |
| Junegold | Peach |
| Loring | Peach |
| Redglobe | Peach |
| Redskin | Peach |
| TropicBeauty | Peach |
| UFGold | Peach |
| UFOne | Peach |
| UFSun | Peach |
| Moonglow | Pear |
| Green Gage | Plum |
| Brooks | Sweet Cherry |
| Sunburst | Sweet Cherry |
Plan the year in zone 7
Questions
- How many chill hours does A1C get?
- A1C averages 1725 chill hours per winter, ranging from 1521 to 1963 across the last 10 years.
- What hardiness zone is A1C?
- A1C is in USDA hardiness zone 7b.
Growing fruit trees in A1C? Save your first tree free and see this month’s care tasks for this climate.
Save your first tree freePreparing to plant? Check your soil first
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Sources
- [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