The habitats where hazel~(Corylus avellana) grows:

Altantic hazel wood
Atlantic oak wood
Beech wood
Brownfield
Caledonian forest
Hedgerow scrub
Limestone pavement
Lowland dry oak and birch wood
Lowland mixed oak and ash wood
Mixed scrub
Raised bog
Traditional orchard
Upland birch wood
Upland mixed ash wood
Wet woodland
Wood pasture