Even though male trees are more popular than females because they are cleaner and don't shed flower, fruit and seed debris, they also release more pollen. Flowering female trees in a separate-sexed species, such as maples or junipers, can help people with allergies. A mix of low-producing male pollinators, such as the tulip tree, with females to offset surrounding males will help solve the problem.

Full Story:
The Toronto Star

Related Summaries