Location almanac
Chill hours in 99789
The short answer
99789 averages 584 chill hours per winter (300–699 across 10 years) in USDA zone 2a.
Climate profile
| Average chill hours | 584 (300–699 across 10 winters) |
|---|---|
| USDA hardiness zone | 2a |
| Last spring frost | typically June 8 – June 18 |
| First fall frost | typically August 14 – September 24 |
Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.
What grows here
Every variety in our database, checked against 99789’s chill hours and zone:
Good fit (33)
Chill and zone requirements are comfortably met in 99789.
| Variety | Fruit |
|---|---|
| TropicSweet | Apple |
| Arctic Star | Nectarine |
| Double Delight | Nectarine |
| Panamint | Nectarine |
| Snow Queen | Nectarine |
| August Pride | Peach |
| Babcock | Peach |
| Donut | Peach |
| Eva's Pride | Peach |
| Flordacrest | Peach |
| Flordaprince | Peach |
| Gulfprince | Peach |
| Mid-Pride | Peach |
| Suncrest | Peach |
| Tropic Snow | Peach |
| TropicBeauty | Peach |
| UFGold | Peach |
| UFOne | Peach |
| UFSun | Peach |
| 20th Century | Pear |
| Chojuro | Pear |
| Kieffer | Pear |
| Moonglow | Pear |
| Shinko | Pear |
| Yoinashi | Pear |
| Hachiya | Persimmon |
| Beauty | Plum |
| Elephant Heart | Plum |
| Flavor Grenade | Plum |
| Flavor King | Plum |
Show 3 more good fit varieties
Questions
- How many chill hours does 99789 get?
- 99789 averages 584 chill hours per winter, ranging from 300 to 699 across the last 10 years.
- What hardiness zone is 99789?
- 99789 is in USDA hardiness zone 2a.
Growing fruit trees in 99789? 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] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026