Hydrangea involucrata

Rosebud Hydrangea stands out in a crowd, despite its small stature. Slightly fuzzy soft green ovate leaves adorn the branches and it slowly grows into a 3-4’ x 3’-4’ shrub (more like 4′ in mild winter climates). From rosebud shaped  buds emerge blue lace cap flowers…clusters of tiny lavender-blue flowers are surrounded by white 4 petaled florets. It often dies back to the ground for us each winter, but since it blooms on new wood it always provides a show for us in late summer. (My honeybees descend on it as a pollen source in September.)

The literature suggests growing Hydrangea involucrata in part shade, but we’ve been growing this Hydrangea in full sun in sharply drained soil and have had it in our garden for 15 years. It has put up with weeks of dry condition this summer without looking thirsty, but we finally gave it a good soaking after the last forecast of rain didn’t materialize.

Plants are hardy in zone 6-9.

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