Hydrangea paniculata 'Limelight'
('Limelight' panicle hydrangea)
This variety of the popular panicle hydrangea boasts very large, lime green blooms in mid-summer that turn pink in fall. A deciduous shrub, it grows to 8 feet tall and 6 feet wide with large, mid-green leaves. The blooms make good cut and/or dried flowers, but can be left on the plant for winter interest.