Jonagold Apple Tree

Jonagold is a large apple developed at Cornell from a cross between ‘Golden Delicious’ and ‘Jonathan’. Its crisp fruit balances the sweetness of Golden Delicious with Jonathan’s tartness, making it useful both for fresh eating and for pies, sauces, and other cooking. ## Fruit and garden use The fruit develops a red overlay on a yellow-green background and ripens from mid-September into October in North Carolina, with timing varying by climate. Tree size depends on rootstock: North Carolina Extension lists both dwarf and semi-dwarf trees at roughly 8–15 feet tall and wide. Full sun and open air movement help support fruiting and reduce disease pressure. ## Growing conditions Plant in full sun in well-drained soil. North Carolina Extension lists USDA Zones 5a–8b and rates Jonagold as moderately growing. Jonagold is triploid and produces sterile pollen, so it needs pollen from compatible apple cultivars; because it cannot pollinate the other trees in return, plan for a third compatible cultivar or use a suitable flowering crabapple arrangement. The [Cornell Jonagold profile](https://alumni.cornell.edu/cornellians/apple-varieties/) describes its parentage, flavor, size, and cooking uses. [North Carolina Extension](https://plants.ces.ncsu.edu/plants/malus-domestica-jonagold/) details pollination, tree sizes, hardiness, fruit, and disease susceptibility; [Iowa State Extension](https://yardandgarden.extension.iastate.edu/how-to/growing-apples-home-garden) explains cross-pollination and rootstock effects on mature size. ## Maintenance Prune during dormancy to maintain a strong framework and good light through the canopy. Thin developing fruit when clusters are heavy to improve apple size and reduce biennial bearing. Monitor for apple scab, cedar-apple rust, and fire blight, to which this cultivar is susceptible, and follow local integrated pest management guidance.