Hydrangea macrophylla ‘Mariesii Grandiflora’
synonym: ‘White Wave’
Bred by Victor Lemoine, Nancy, France, in 1902.
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)
Ray florets: 4-5 sepals, serrated, overlapping, 80mm diam.
Zones: 6 to 9
Size: Large (to 1.5m).
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.