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Variety fit — Maryland

Can I grow Haralson apple in Maryland?

The verdict

Not recommended

  • Your zone 7a is warmer than this variety's range (zones 3–4); it may not receive reliable winter chilling.

Based on Maryland’s main growing area (21701): zone 7a, ~1,647 chill hours. Your exact site may differ — check your ZIP.

Haralson requirements vs. Maryland climate
Haralson chill requirement800–1,000 chill hours
Haralson hardinessUSDA zones 3–4
Maryland average chill (21701)1,647 hours (1,401–1,871 across 10 winters)
Maryland zone (21701)USDA zone 7a
USDA pomological watercolor of Haralson apple
Malus domestica: HaralsonUSDA pomological watercolor, Mary Daisy Arnold, 1934 · USDA Pomological Watercolor Collection

These meet Maryland’s chill hours and zone comfortably:

Or the same verdict for another region:

Can I grow Haralson apple in Maryland?
Probably not — Your zone 7a is warmer than this variety's range (zones 3–4); it may not receive reliable winter chilling.

Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026
  3. [3] Dave Wilson Nursery. Apples — DWN Variety Finder product list — accessed July 2026
  4. [4] University of Minnesota Extension. Growing apples in the home garden — accessed July 2026