Hydrangea macrophylla  ‘Rotdrossel’

synonyms: ‘Red Wing’, ‘Teller Red’

Bred by the Federal Research Institute for Horticulture, Wädenswil, Switzerland, in 1987.

H. macro Rotdrossel A

Hydrangea macrophylla ‘Rotdrossel’ is one of our top hydrangeas due to its intensely coloured lacecap flowerheads in either dark red or purple.

Inflorescence: Lacecap with large flowerheads,190mm across, brilliant dark red to purple-red.

Colour in neutral soil:     Dark red
Colour in acidic soil with Al present:     Reddish-purple

H. macro Rotdrossel floret A

Ray florets: 4 large sepals, slightly dentate. 70mm diam.

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

H. macro Rotdrossel leaf B

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. 170mm l x 160mm w.

H. macro Rotdrossel B

The photo on the left is of a two-year-old plant still getting established.  Twelve months later, with its roots now fully developed and capable of absorbing aluminium from our slightly acidic soil, the flower colour has changed to a reddish-purple.