Resource: Producing H. macrophylla with blue flowers

Date Added May 31, 2018

Type Grower Sheet


Without treatment, Hydrangea macrophylla will bloom pink to red in the nursery environment. Learn how to treat your crop to sell it in bloom with blue buds and flowers.

Note: This document is intended for professional growers producing Hydrangea macrophylla as a crop. It is not intended for use by home gardeners.