Hawthorn

Crataegus monogyna

Native throughout the British Isles, it grows to around 45ft(14m) if left untrimmed.

Also known as Quickthorn, Quick, or Maythorn it is the commonest hedgerow plant, forming a dense inpenetrable hedge. It's white flowers appear from May onwards with the characteristic red berries (Haws) providing feed for birds in autumn and early winter.