Quercus robur
English oak · also Pedunculate oak, European oak, Common oak
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Quercus robur, also known as the English oak, is a large deciduous tree native to Europe and Western Asia. It is characterized by its deeply lobed leaves and sturdy trunk, providing a dense canopy. Ecologically, it supports a rich diversity of wildlife, from insects and fungi to birds and mammals, making it highly valuable for urban ecosystems.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 66,2095.8%—5.1 in
- 25,6905.9%49 yr14 in
- 13,1024.6%42 yr9.8 in
- 4,6241.5%—3.0 in
- 4,0390.59%—5.9 in
- 3,1911.2%—11 in
- 3,0184.1%—9.8 in
- 2,4700.74%16 yr6.7 in
- 1,8351.0%—18 in
- 1,7440.24%—7.0 in
- 1,6340.71%—10 in
- 1,4062.9%12 yr2.4 in
- 7040.45%9.6 yr2.4 in
- 5740.18%—6.3 in
- 4540.61%—4.7 in
- 3850.11%—9.4 in
- 2970.40%3.8 yr3.9 in
- 2890.82%—15 in
- 2880.34%—5.9 in
- 2480.13%8.2 yr5.1 in
- 2410.05%6.2 yr2.4 in
- 2131.8%3.4 yr2.0 in
- 2130.18%—2.0 in
- 1590.36%—2.0 in
- 1490.32%—10 in
- 1120.07%—3.8 in
- 1090.46%—9.1 in
- 740.47%5.7 yr13 in
- 130.01%8.0 yr3.0 in
- 50.04%—5.5 in
- 10.00%—8.3 in
Traits
- Form
- Broadleaf
- Foliage
- Deciduous
- Mature height
- 50–60 ft
- Canopy spread
- 30–75 ft
- Lifespan
- 200 years
- Water needs
- Moderate
- Wildlife value
- High
- Blooms
- Mar, Apr, May
Trunk diameters across every city: median 7.5 in, mean 10 in, 90th percentile 22 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Broadleaf & Mixed Forests
- Baltic mixed forests
- Central Anatolian steppe and woodlands
- Central European mixed forests
- East European forest steppe
- Eastern Anatolian deciduous forests
- English Lowlands beech forests
- European Atlantic mixed forests
- Western European broadleaf forests
Other Quercus in the catalogue
74 of the top 2,000 species are in this genus.
