Hydrangea macrophylla Niedersachsen
Hydrangea macrophylla
November 27, 2018
Hydrangea macrophylla Nikko Blue
Hydrangea macrophylla
‘Nikko Blue’
November 27, 2018

Hydrangea macrophylla 'Nigra'


Hydrangea macrophylla 'Nigra’ is a vigorously growing shrub achieving 2m in height at maturity.

Inflorescence: Small mophead flowers, 120mm across, which are cream when newly opened, maturing to a rich lilac.

Synonyms: H. m. ‘Cyanoclada’, ‘Mandschurica’, ‘Kuro Jaku’ or 'Kuro Jiku'.

Imported from China to USA by E.H. Wilson in 1853.

Zones: 6 to 9

Size: Large (to 2m).

Color in neutral soil:

Color in acidic soil with AI present:
Pale to mid-blue

Ray florets: 4, 5 or 6 sepals, hardly overlapping, entire. 55mm diam.

Leaves: Simple, opposite and deciduous. Broadly ovate to broadly elliptic. Margin: serrate. Apex: apiculate. Base: attenuate. Venation pattern: pinnate. Texture of adaxial and abaxial surfaces: smooth, glabrous, moderately glossy. 180mm l x 105mm w.

Distinguishing features of this cultivar are its dark purple to black stems and petioles, and its deep red pedicels and peduncles.