History: Shamrock apples were raised by K. Lapins at the Pacific Agri-Food Research Centre in 1970 and released in 1986.
Why We Grow It: This is a Canadian apple for all you Granny Smith lovers! Although a bit sweeter than Granny Smith, Shamrock apples still have some tartness and are hardy enough to survive in Canadian climates. They even resemble Granny Smith with their light green skin and white flesh.
Canadian Hardiness Zone: 4
Soil Preference: Sandy loam, loam, clay loam. Prefers average to moist conditions, avoid planting anywhere that floods for more than two weeks in the spring. Generally quite adaptable to different soil conditions.
Growth Habits and Disease Resistance: Moderately vigorous and precocious, compact growth habit, has good crops.
Sun/Shade: Full sun (approx. 8-10 hours of sun daily)
Pollination: Requires a pollinator of a different apple variety that blooms around the same time
Flowering Time: Early
Ripens: Late September
Storage: Keeps up to three months when kept in cool, humid conditions
Recommended Use: Fresh eating, cooking
Size including roots:
- 1 year grade 100-200 cm whip
- 2 year grade 100 cm+ with 3 or more branches, 30 cm or more
- B grade less than 100 cm