Hydrangea macrophylla 'Red Baron' (approx) 6-8 inches in height, and sent in a 1 Litre plant pot. Hydrangea macrophylla 'Red Baron' is a deciduous shrub of a compact habit with large glossy dark green leaves. Masses of large long lasting rosy-red mophead blooms are produced in summer– the flowers can go bluer in acidic soil. This plant's sturdy structure makes it good for pots and tubs, or a part of a shrub border. This flowering shrub has an ultimate height and spread of 1.5-2 metres. This hardy shrub prefers partial shade, or full sun. The second photograph in this listing shows the size of the flower heads that this stunning plant produces.