Sweet Chestnut
Castanea sativa · Deciduous Broadleaf Hardwood
Plant Family
Fagaceae
Tree Category
Nut / Shade / Forest Tree
Variety / Cultivar
None specified (Species standard)
Hardiness Zones
USDA Zones 5-8
About This Tree
A massive, spreading deciduous tree with a broad, rounded crown. It is known for its long, serrated leaves and edible seeds enclosed in prickly husks.
Leaf Characteristics
Simple, oblong-lanceolate, alternate arrangement, 16-28 cm long, with prominent parallel veins and sharply serrated margins with small teeth. Dark glossy green above, paler beneath.
Bark Characteristics
Grey-purple to brown. In young trees, it is smooth with horizontal lenticels; as it matures, it develops deep longitudinal fissures, often with a distinctive spiral twist.
Growing Information
Origin Region
Southern Europe and Asia Minor; naturalized throughout Northern and Western Europe
Growing Season
Buds open in spring; flowers in late spring/early summer; fruits ripen in autumn; dormant in winter
Sunlight & Water Needs
Full sun for best nut production; prefers deep, well-drained, slightly acidic soil; moderate drought tolerance once established.
Mature Size
20-35 meters tall, 15-20 meters spread; growth rate is moderate to fast; can live for over 500-1000 years.
Special Characteristics
Produces edible chestnuts; highly durable timber used for fencing and furniture; notable yellow-bronze autumn color. Susceptible to chestnut blight and ink disease.
Wildlife & Ecology
Flowers are a significant source of nectar and pollen for bees and other insects; nuts provide high-energy food for squirrels, jays, and small mammals.