Here is what Korean Rhododendron needs to thrive.

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Korean Rhododendron

Rhododendron mucronulatum

Zones 2–9

Stats
Sunpart sun
Watermedium
Grow time—
Height3–6ft
Spacing>24in
Light
Full sun✗
Part shade✓
Shade✓
Traits
Life cycleperennial
Categoryflowering shrub
Growth habitshrub
Seasoncool
Frost tolerancehardy
Height3–6ft
Spacingover 24in
Days to bloomover 150
Native us✗
Growing
Watermedium
Drainagewell drained
Soil ph min4.5
Soil ph max6.0
Propagation
Seed✓
Cutting✓
Division✓
Graft✗
Tuber bulb crown✗
Transplant✓
Container ok✓
Spreadself seeds
Deer resistant—
Drought tolerant✗
Pollinator friendly✓
Toxic to
People✗
Pets✓
Livestock✓
Bloom
Lengthunder 2wk
Colors
White✗
Yellow✗
Orange✗
Red✗
Pink✓
Purple✓
Blue✗
Green✗
Fragrant✗
Reblooms✗
Deadhead✗
Cut flower✗
Dried flower✗
Invasive
Statusnone
Regions
Northeast✗
Southeast✗
Midwest✗
Plains✗
Southwest✗
Mountain west✗
Pacific northwest✗
California✗
Hawaii✗
State noxious✗
Escapes cultivation✗
Calendar, zone 7
JanFebMarAprMayJunJulAugSepOctNovDec
Sownonoyesyesyesyesnononononono
Harvest————————————