The ‘Blue Bird’ is a long-blooming Hydrangea that often has blue 6″ lacecap flowers.  It is more drought tolerant than other Hydrangeas.  RHS Award of Garden Merit.

 
Bloom Time: June through October.

Growth Habit: 5′ in height, equal or greater width.

Foliage:  Glossy, Green.

Sun/Shade: Sun, Partial Shade.

Hardiness Zones: 5-8.