Quercus pubescens aka Downy Oak

Quercus pubescens, or downy oak, is a deciduous tree. It belongs to the beech and oak family, Fagaceae. Its native range spans southern and central Europe into western Asia. Sources place it from Spain to the Caucasus and Türkiye. It grows in woods and on dry hills. These sites include both limestone and silica-rich soils. It is not native to Britain or Ireland.

In gardens, it reaches about 40–60 feet (12.2–18.3 metres) tall. Its crown can spread to 40 feet (12.2 metres). The crown is broad and rounded, with an uneven outline. Soft hairs cover the twigs and give the tree its name. Leaves cluster near the ends of branches. They are oval or broader toward their tips. Each leaf can reach 4–5 inches long. The upper face is dark green; the underside is gray-green. Fine hairs cover both faces, most clearly on young leaves. The amount of hair varies between populations. Each leaf has five to eight pairs of veins. The leaf tips are broad and rounded.

Flowers appear in April and May, but offer little display. Male flowers are yellow-green, while female flowers are reddish. The acorns provide more visual interest than the flowers. The foliage also adds fall interest. This tree suits woodland gardens and sites needing shade. Horticultural sources also list it for use along streets. Its mature crown needs room to develop.

Grow downy oak in full sun for the best results. It accepts some shade, but not a fully shaded site. Rich loam that drains well supports good growth. Sandy loam also suits it, and it tolerates clay. It prefers moist soil but can cope with dry ground. Hot, dry summers do not rule out this oak. It is hardy in USDA zones 5–8 and needs little upkeep. Missouri Botanical Garden reports no major pest or disease problems. Its broader oak warning includes wilt, cankers, mildew, and leaf spots. Scale insects, borers, and leaf miners are possible oak pests.

The seeds have served as food when other supplies fail. They need cooking, and their bitter tannins need removal. Washing or soaking can draw out these tannins. Ground seed can thicken stews or join grain flour in bread. Plants For A Future lists no known hazards for this species. That does not make raw acorns a ready-to-eat food. The hard wood has uses in furniture. Insect-made galls yield tannins for dye and have recorded medicinal uses.