Hydrangea macrophylla ‘Otaksa’ is a vigorous and floriferous shrub with large flowerheads. This cultivar has been around since 1862 and still deserves a place in any notable hydrangea collection.
Inflorescence: Mophead, 180mm across. The sepals age to white with red spots.
Introduced from Japan by Philip Franz von Seibold in 1862.Synonym: H. m.'Otakusa'.
Zones: 6 to 9
Size: Large (to 2m).
Color in neutral soil:
Color in acidic soil with AI present:
Ray florets: 3 or 4 sepals, entire, overlapping, 35mm diam.
Leaves: Glossy, bright green, orbicular in shape. Size: 110 x 60mm.