Hydrangea macrophylla ‘Mariesii Grandiflora’

synonym: ‘White Wave’

Bred by Victor Lemoine, Nancy, France, in 1902.

H. macro Mariesii Grandiflora BB

Hydrangea macrophylla ‘Mariesii Grandiflora’ is a small, bushy, deciduous shrub. It bears large, flattened, white lacecap flowerheads surrounded by large, white ray florets.

Inflorescence: Large lacecap flowers, 180mm across,  with huge ray florets.

Colour in neutral soil:     White
Colour in acidic soil with Al present:     White (no change)

108-RHS-AGM-Guidelines_V4.indd Hydrangea macrophylla 'Mariesii Grandiflora'

Ray florets: 4-5 sepals, serrated, overlapping, 80mm diam.

Zones: 6 to 9
Size: Large (to 1.5m).

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. 140mm l x 80mm w.