Hydrangea macrophylla ‘Cardinal Red’

synonym: H. m. ‘Cardinal’

H. macro Cardinal Red AA

Hydrangea macrophylla ‘Cardinal Red’ is a medium-sized shrub, up to 1.5m, with red mophead flowers.  On neutral soils, the flower colour is a strong bright red, but on our more acidic soils the red turns to a bright mauve.  Whatever your soil type, this compact shrub is very floriferous and gives a magnificent display of colour until mid-September.

Inflorescence: Mophead, 200mm across. Retains blue ‘eye’ regardless of sepal colour.

Colour in neutral soil:                           Bright red
Colour in acidic soil with Al present:     Blue-purple

 H. macro Cardinal Red floret AA

Ray florets: 4 sepals, entire, rounded, overlapping,
35mm diam.

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

Hydrangea macrophylla 'Harlequin' leaf

Leaves: Simple, opposite and deciduous. Mid-green. Broadly ovate to broadly elliptic.  Margin: serrate.  Apex: apiculate.  Base: attenuate.  Venation pattern: pinnate.  Texture of adaxial and abaxial surfaces: smooth, glabrous, quite glossy. 160mm l x 110mm w.