Hydrangea macrophylla Nikko Blue
Hydrangea macrophylla
‘Nikko Blue’
November 27, 2018
Hydrangea macrophylla Paris Rapa AC
Hydrangea macrophylla
‘Paris Rapa’
September 2, 2019

Hydrangea macrophylla 'Otaksa'

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:
Light blue


Ray florets: 3 or 4 sepals, entire, overlapping, 35mm diam.

Leaves: Glossy, bright green, orbicular in shape. Size: 110 x 60mm.