Plant
🌳
🌳
Size
Up to 40 m tallAs tall as a 12-storey building
Weight
Up to 90,000 kgAs heavy as 12 double-decker buses
Lifespan
500–1,000+ years
Rarity
Common
M vs F
Oak trees have both male flowers (catkins) and female flowers (small, bud-like) on the same tree — it is monoecious
Habitat
Ancient woodland, hedgerows, parkland, heath
Best time
Year-round — spectacular in autumn; look for acorns September–November
💡 Did you know?
A single mature oak can support over 2,300 species — more than any other native UK tree. That includes 280 species of insect alone! The tree literally IS an ecosystem.
Oak trees delay producing acorns until they're at least 40–50 years old. In 'mast years' (every 4–8 years) they produce a huge surplus of acorns simultaneously — thought to overwhelm the seed-eaters so some always survive to germinate.
Often confused with
Sessile Oak
Turkey Oak
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