Rhododendron 'Hardgrove's Royal Star'

 
Photo: Richard Gustafson

Predominant Flower Color: 

 Red 

Flower / Truss Description: 

 Flower openly funnel-shaped, wavy edges, 2" to 2½" across, inside moderate purplish-red with dark purple blotch, outside deep purplish red. Dome-shaped truss holds 16 flowers. 

Fragrant: 

 No 

Bloom Time: 

 Late 

Foliage Description / Plant Habit: 

 Leaves elliptic, slightly recurved, broadly acute apex, rounded base, 3½" to 4½" long, semi-glossy, dark yellowish-green, retained 2 years. Plant upright, well branched, somewhat open habit. 

Height in 10 Yrs: 

 6 ft 

Cold Hardiness Temperature: 

 -15°F  (-26°C)

Parentage  (Seed Parent x Pollen Parent): 

 Moser's Maroon x unknown  

Elepidote (E) or Lepidote (L): 

 E 

Hybridized or Selected by: 

 Hardgrove 

Registration Reference: 

 ARS 982 

Note: Bloom time and 10 year height information are approximate and can vary dependent on weather and growing conditions.
Cold hardiness temperature is also an approximate value.

 

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