Quercus includes trees or shrubs that can be either deciduous or evergreen. The leaves may be entire, lobed, or toothed. Flowers are not prominent, but they are succeeded by distinctive acorns. Some species may display notable autumn foliage.

Quercus robur Heterophylla Group

Quercus robur Sherwood oak clone

Quercus robur Variegata Group (v)

Quercus robur subsp. estremadurensis

Quercus robur subsp. pedunculiflora

Quercus robur subsp. robur

Quercus robur var. haas

Quercus robur var. haas 'Cankiri'

Quercus robur var. sessiliflora

Quercus rotundifolia

Quercus rubra is a rapidly growing, large deciduous tree characterized by its wide, open canopy and broad leaves that can reach lengths of up to 22 cm. In the fall, its foliage transitions to shades of red or red-brown. The tree produces greenish flowers that are not particularly noticeable.

Quercus rubra

Quercus rubra 'Aurea' is a large, deciduous tree that grows slowly and features a broad, open canopy. Its lobed leaves emerge bright yellow before transitioning to green by mid-summer. The intensity of the yellow foliage is enhanced when the tree is planted in a sunny location. In the fall, it produces brown acorns.

Quercus rubra 'Aurea'

Quercus rubra 'Bolte's Gold' is a small to medium deciduous tree known for its vibrant foliage. In spring, the leaves emerge in a butter-yellow hue, transitioning to yellow-green as they mature. During the fall, the foliage turns a vivid yellow, lasting for an extended period before it drops.

Quercus rubra 'Bolte's Gold'

Quercus rubra 'Cyrille'

Quercus rubra 'Evenley Gold'

Quercus rubra 'Haaren'

Quercus rubra 'Limelight'

Quercus rubra 'Magic Fire' is a small to medium-sized deciduous tree known for its vibrant foliage, featuring pointed lobes. In spring, the leaves emerge with a butter-yellow hue, transitioning to yellow-green as they mature. During the autumn months, the foliage turns a vivid yellow and retains this coloration for an extended period before eventually dropping.

Quercus rubra 'Magic Fire'

Quercus rubra 'Red Queen'

Quercus rubra 'Schrefeldii'

Quercus rubra 'Sunshine'

Quercus rubra var. ambigua

Quercus rugosa

Quercus rysophylla is a robust evergreen tree that can reach heights of 20 meters, exhibiting a broad, spreading form. Its leaves are elliptical to lanceolate, measuring up to 2 cm in length and 8 cm in width, featuring wavy margins. In spring and occasionally in summer, the young leaves appear with a downy texture and a reddish-purple hue, later transforming into a glossy dark green as they mature. These mature leaves display prominent veins and a unique blistered or puckered texture. Following the inconspicuous flowers, small ovoid acorns develop, typically ranging from 1 to 1.5 cm in length.

Quercus rysophylla

Quercus rysophylla hybrid

Quercus sadleriana

Quercus sadleriana 'E.W. George'

Quercus salicina

Quercus sartorii

Quercus schottkyana is a sizable evergreen tree that can reach heights of up to 20 meters. Its leaves are thick and leathery, featuring a deep green color on the upper surface and a slightly bluish-green hue underneath, with prominent yellow petioles. Young foliage may display a pink-bronze tint accompanied by a silvery indumentum at emergence.

Quercus schottkyana

Quercus seemanii

Quercus segoviensis

Quercus semecarpifolia is an evergreen tree that typically grows in a rounded form, often exceeding 20 meters in height when situated in mild, protected environments. Its bark is brownish-grey and features deep fissures. The leaves are leathery and range from oblong to elliptical, reaching lengths of up to 11 cm. Young foliage may exhibit spiny, wavy edges, while mature leaves become entire and develop a dark, glossy green appearance. Acorns are produced either singly or in groups of three to six, nestled in shallow, bowl-shaped cups.

Quercus semecarpifolia

Quercus senescens

Quercus serrata 'Herkenrode'

Quercus serrata 'Léon'

Quercus serrata 'Theofaan'

Quercus serrata Murray

Quercus sessilifolia

Quercus setllata 'Artois'

Quercus shumardii is a deciduous tree that typically reaches heights of up to 18 meters. It begins with a pyramidal shape but gradually develops a wide, open crown as it matures. The leaves are deeply lobed, glossy green, and can grow as long as 20 centimeters, featuring 7 to 9 lobes with noticeable tufts of hair in the veins' axils on the underside. In fall, the foliage transforms to shades of red or golden-brown. The tree produces inconspicuous greenish flowers, which are followed by solitary acorns in autumn that can measure up to 2.5 centimeters in length.

Plant Directory