Hydrangea macrophylla ‘Nigra’

synonyms: ‘Cyanoclada’, ‘Kuro jaku’, ‘Mandschurica’

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

H. macro Nigra AA 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.

Colour in neutral soil:      Lilac
Colour in acidic soil with Al present:      Pale to mid-blue

108-RHS-AGM-Guidelines_V4.indd

H. macro Nigra floret AA

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

Zones: 6 to 9 Size: Large (to 2m).

H. macro 'Harlequin' leaf DD540

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.

nigra pic

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