Do All Hawthorn Trees Bloom? All hawthorn trees should bloom, but when they bloom, the blooms' color varies depending on the type of tree you have. Most hawthorn trees produce white flowers that grow in clusters. Some varieties of hawthorn trees produce pink flowers instead.

Why does my hawthorn hedge not flower?

Re: Hawthorn hedge.

A hawthorn hedge that is clipped regularly will not flower. To flower, any tree or shrub needs to develop mature wood, but if it is kept regularly clipped, or pruned very hard, only juvenile wood is allowed to grow.

How can you tell the difference between Blackworn and hawthorn?

Blackthorn bark is dark with spiky thorns. Its twigs are black with leaf buds along the sharp spines while the hawthorn bark is creamy brown and rough. The twigs are brown and slim with thorns which emerge from the buds.