Rhododendron cinnabarinum subsp. cinnabarinum (roylei group)

Scientific name: Rhododendron cinnabarinum subsp. cinnabarinum (Roylei Group)


Common names: “Rhododendron”

Plant Type: Evergreen shrub


Zone: 7b-9

Light: Semi-shade

Exposure: Sheltered

Soil: Humus rich, acidic soil

Moisture: Moist well drained


IMG_1079_cinnabarinum_Roylei_Group.jpg -  Rhododendron cinnabarinum  Roylei Group

Plant Size: H 20′ W 6′ , slow growing

Leaf and Stem shape: Aromatic bluish-gray young leaves become dark green with a metallic grey-green sheen above, purplish shoots

Flower: Waxy, plum-red pendent, narrow bells in May

Pruning: Prune to open plant and increase air flow to prevent mildew, handles a hard pruning

Maintenance: Low, deadhead

Landscape use: Flower beds, screens

Propagate: By cuttings and layering

Pests & Disease: Susceptible to mildew fungus

Comments: Unique flowers compared to other rhododendrons, plant high and insure good drainage is in place

IMG_1082_cinnabarinum_ssp_cinnabarinum.jpg -  Rhododendron cinnabarinum  ssp.  cinnabarinum


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