Rocky Knoll Farm
Colonel Coen
$32
Colonel Coen boasts deep purple flowers accented with a reddish-magenta throat and black patterned dorsal. This splendid combination truly makes the trusses of this hybrid rhododendron stand out for admiration. Hardy to -10°F when protected against windchill, this plant can grow to 5' tall over time and often blooms around May (midseason).
Plant Type
Rhododendron
Bloom Time
May
Bloom Color
Purple
Hardy Threshold
-10°F
Zones
5b-9
Sun Exposure
Full Sun, Partial Shade
Mature Height
5 Feet
Spread
5 Feet
Soil
Well-Draining
Foliage
Evergreen / Elepidote
Features
