Variety fit — Delaware
Can I grow First Kiss apple in Delaware?
The verdict
Not recommended
- Your zone 7b is warmer than this variety's range (zones 4–4); it may not receive reliable winter chilling.
Based on Delaware’s main growing area (19901): zone 7b, ~1,573 chill hours. Your exact site may differ — check your ZIP.
The numbers
| First Kiss hardiness | USDA zone 4 |
|---|---|
| Delaware average chill (19901) | 1,573 hours (1,181–1,808 across 10 winters) |
| Delaware zone (19901) | USDA zone 7b |
Better apple choices for Delaware
These meet Delaware’s chill hours and zone comfortably:
Keep checking
Or the same verdict for another region:
Questions
- Can I grow First Kiss apple in Delaware?
- Probably not — Your zone 7b is warmer than this variety's range (zones 4–4); it may not receive reliable winter chilling.
Sources
- [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
- [3] University of Minnesota (Minnesota Hardy / Horticultural Research Center). All University of Minnesota Apple Varieties — Minnesota Hardy — accessed July 2026