Malus domestica Granny Smith is a renowned Australian-origin apple, prized for its bright green skin, firm texture, and distinctively sharp, tart flavour. Perfect for both fresh eating and cooking, this late-season variety holds its shape well when baked and offers excellent storage potential. Its crisp, juicy flesh makes it a refreshing choice straight from the tree or in salads and pies.
A reliable performer in home orchards and larger plantings alike, it suits traditional, edible, and contemporary garden designs.
Thrives in full sun with fertile, well-drained soil and consistent moisture. Requires a compatible mid- to late-season pollinator such as Fuji or Golden Delicious for best fruiting.
Mature size: Grows 3–4 metres high and wide as a standard tree, or more compact when grown on dwarfing rootstock.
Trimming: Prune in late winter while dormant to create an open, well-structured canopy. Remove dead, diseased, or inward-growing branches to improve airflow and light exposure, which helps fruit ripen evenly and reduces disease risk.
Deadheading: Not required for apple trees.
Fertilising: Apply a balanced fertiliser in early spring to support vigorous growth and fruit production. Mulch annually with compost or well-rotted manure, keeping it clear of the trunk to prevent rot.
Watering: Water deeply during dry periods, especially while fruit is developing. Newly planted trees require consistent moisture until well established.
Pest Control: Watch for codling moth, aphids, and apple sawfly. Use pheromone traps to monitor moths and treat aphids with insecticidal soap or neem oil. Maintain tree hygiene and encourage beneficial predators.
Disease Management: Moderately susceptible to apple scab and powdery mildew. Look for leaf spots, blemished fruit, or powdery white growth on shoots. Prune to improve airflow, clean up fallen debris, and apply a fungicide if symptoms persist. Ensure good spacing and avoid overhead watering.
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