Chestnut-leaved oak

The Chestnut-leaved oak (Quercus castaneifolia) is a prominent tree species belonging to the Fagaceae family. It is a large deciduous tree that typically reaches 30 to 35 meters in height, characterized by a spreading crown and a robust trunk covered with rough, deeply fissured, greyish-brown bark as it matures.

The native distribution of this species is centered in the humid forests of the Caucasus and northern Iran, particularly in the Hyrcanian forest region. It thrives in temperate, moist environments and is adapted to mountain slopes, requiring stable climatic conditions to reach its full biological potential.

Botanically, the tree is distinct due to its foliage, which resembles that of the sweet chestnut. The leaves are oblong-elliptic with serrated margins. The acorns are another key feature, easily recognized by their large, bowl-shaped cupules covered with long, recurved scales, which distinguish this species from other common oaks.

Cultivation requires deep, fertile, and well-draining soils to ensure healthy root development. The species is moderately sensitive to drought and waterlogging; therefore, careful site selection is paramount. Young trees require protection from harsh winds and should be provided with consistent moisture during the establishment phase in nursery or field conditions.

In terms of economic utility, the Chestnut-leaved oak is highly valued for its durable and high-quality timber, often utilized in furniture making and high-end construction. In horticulture, it is a prized ornamental species, often planted in large parks and arboreta to provide shade and visual interest due to its unique leaf morphology and architectural growth habit.

• Excellent ornamental foliage
• Hardy and long-lived timber
• Resistant to common oak pests
• Prefers nutrient-rich, deep soils