Permanently upgrading the HiBreeding Hydrangea assortment Hydrangea has been hugely popular as both a house plant and garden plant, and for many years. To consolidate that status, innovation is indispensable. Consumers are mainly triggered by new varieties. Varieties that don’t just offer more of the same, but that positively enhance the assortment. HiBreeding aims to play an important role in renewing the Hydrangea range.