The outer flowers are sterile, but serve to attract insects.
Times, Sunday Times
Most fragrances attract insects, so it's better to go au naturel.
The Sun
Plant a variety of shrubs and trees, or a hedge, including leafy, broad-leaved trees, to attract insects.
Times, Sunday Times
The wild cherry, hawthorn and blackthorn blossom will attract insects and smell heavenly.
Times, Sunday Times
It has a scent resembling rotting flesh to attract insects.
The Sun