Rhododendron Hybrids / cultivars

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Rhododendron calendulaceum 'Colossus'

Selected by: Leach, Dr. David G. , North Madison, Ohio , USA, 1953 (see more plants of this hybridizer)
More info: A superior, large flowered form of R. calendulaceum collected near Burning Town Gap, North Carolina, in 1952
The figures listed here are averages.

The exact location (altitude, sunlight, soil, climate) can influence growth considerably
in 10 years
100 cm. (3ft.)
Bloom time:late midseason
Flower:tubular funnel-shaped
Leaves:narrowly elliptic

'Colossus' is a clone/selection/cultivated form of wild species: R. calendulaceum.
See R. calendulaceum for more details

Rhododendron calendulaceum 'Colossus' photos

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Rhododendron cultivars   Hirsutum.info     Project started 03 June 2009