Pedunculate oak «Fastigiata»

Appearance: medium-sized tree, height 15-2-m, width – 2-5 m, crown form initially narrow, becoming broadly columnar with age.

Leaves: elliptic, unfold late, green, in autumn yellowish-green or yellowish-brown.

Flowering: in May, at the same time as or after leaf emergence, male catkins greenish-yellow, 2-4 cm long.

Fruits: acorns.

Bark: dark gray, fissured.

Crown shape: initially narrow, becoming broadly columnar with age.

quercus robur f. fastigiata with ascending branches forming a narrow columnar crown; the following forms have a similar crown: - f. fastigiata cupressoides - with a dense, more compact crown, smaller leaves and faster growth, also pyramidal green - f. fastigiata viridis - with very dark green leaves; pyramidal golden-punctate - f. fastigiata aureo-punctata - with yellow speckles on the leaves and silver-punctate - f. fastigiata argenteo-punctata - with a compact pyramidal crown and white speckles on the leaves.

Weeping - f. pendula - with hanging branches; included here is the form f. pendula Dauvessei with a more pronounced weeping habit of the branches; also distinguished is the form f. pendula horisontalis - with the main crown branches growing almost horizontally and the terminal branches pendent;

Globose - f. umbraculifera - with an evenly rounded crown.

Longevity: over 100 years

Requirements: sun/partial shade, tolerates high temperatures, winter-hardy, wind-resistant, suitable for urban conditions.

Cultivation notes: plant in sunny, wind-protected sites. Because there are many dormant buds under the bark, heavy pruning is possible, i.e. cleansing the scaffold branches.

Soil: requires fertile soil, poorly tolerates excessive moisture. Best grown on deep, fertile, fresh loams and sandy loams, tolerant to salinity.

Diseases and pests: severely affected by powdery mildew, therefore preventive treatments are recommended.

Landscape use: solitary plantings, groups, masses, alleys, dense tall screens

Note: Slow-growing. Annual increment 10-25 cm. With severe frosts, frost cracks form on the trunk.

Zone: 5a