Oak Summit Nursery
Calgary Mac Apple Tree
Calgary Mac Apple Tree
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Calgary Mac is a prairie bred McIntosh type from Calgary, Alberta. The medium apples have red over green skin and crisp juicy flesh with the familiar sweet tart flavour of a McIntosh.
The fruit ripens from early to middle October and keeps for several weeks in cold storage. Calgary Mac can be susceptible to apple scab in wet seasons.
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Growing details
- Hardiness
- Zone 3
- Fruit
- Medium apples, red over greenCrisp and juicy, with the sweet and tart flavour of a McIntosh
- Disease
- Can get apple scab in wet seasonsKeeps for several weeks in cold storage
- Mature size
- 20 to 30 ft tallFull size, on Siberian crabapple rootstock
- First fruit
- About 4 to 5 years after plantingTypical for prairie apples
- Site and soil
- Full sun and soil that drains well
Ripening
Early to mid October
Timing varies with season and site
More about this plant
A prairie McIntosh type
Calgary Mac is a McIntosh type apple bred on the prairies, in Calgary, Alberta.
Cold hardinessZone 3 · Canadian maps for this plant
Zone 3 and warmer
The map shows minimum winter hardiness. Soil, moisture and summer warmth also affect how a plant grows.
About these maps
Climate: Natural Resources Canada, 1991–2020. Provincial distribution: VASCAN via retained botanical research. Province outlines: Natural Earth, public domain.
Open Government Licence – CanadaPollination
Apples need pollen from a different apple or crabapple to set fruit. A second variety in your yard will do it, and so will a neighbour's apple or fruiting crabapple. Double flowered ornamental crabapples make no pollen and do not count.