About
Quercus rubra, the red oak, is a fast-growing, large, deciduous tree with an open, spreading crown and broad, lobed leaves to 22 cm that turn brilliant red or red-brown in autumn. One of the finest oaks for autumn colour, and a rewarding tree for a large, well-drained, sunny garden.
About the genus
Quercus, the oaks, are deciduous or evergreen trees and shrubs with characteristic acorn fruits, lobed or toothed leaves and inconspicuous flowers. Among the most important, long-lived and ornamental of all trees.
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeTrees
HabitBushy
FoliageDeciduous
HeightHigher than 12 metres
Spreadwider than 8 metres
Time to full height20-50 years
Suggested usesCottage and informal garden
Native toE North America
ToxicityPets (dogs): Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Care notes
CultivationGrow in deep, fertile, well-drained soil. A fast growing spreading deciduous tree. Requires lime free soil
PruningPruning group 1
PropagationPropagate by seed, sowing as soon as ripe, in a coldframe or grafting in mid-autumn or early winter
Pest resistanceMay be susceptible to oak processionary moth, aphids, caterpillars, leaf-mining moths and oak gall wasps
Disease resistanceMay be susceptible to powdery mildews and honey fungus