Hydrangea macrophylla ‘Merritt’s Supreme’ is a compact shrub, usually not exceeding 1.5m. Strong stems support the dense mophead flowers.
Inflorescence: Mophead, 140mm across.
Introduced by Louisiana Nurseries, USA.
Zones: 6 to 9
Size: Medium (to 1.5m).
Color in neutral soil:
Color in acidic soil with AI present:
Ray florets: 4-6 sepals, serrated, overlapping. 50m 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. 150mm l x 110mm w.