The ‘Bottle Rocket’ has dense clumps of serrated green foliage.  The mustard yellow flower spikes are on chocolate stems directly above the foliage.

Bloom Time:  Mid Summer.

Growth Habit:  28-34″ in height.

Foliage:  Serrated, Green.

Sun/Shade:  Partial Shade, Shade.

Hardiness Zones:  4-9.