Helsinki University Rhododendron
Rhododendron x 'Helsinki University' (H-1)
Filtered sun, Full sun, Partial shade, Partial sun
Needs regular watering - weekly, or more often in extreme heat.
We no longer grow this plant
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|Average Size at Maturity||Slowly reaches 4 to 6 ft. tall and 3 to 4 ft. wide.|
|Bloom Time||Late Spring|
|Flower Attribute||Fragrant, Showy Flowers|
|Garden Style||Asian/Zen, Cottage|
|Landscape Use||Border, Hedge, Woodland Garden, Urban Garden|
|Light Needs||Filtered sun, Full sun, Partial shade, Partial sun|
|Soil Needs||Azalea & Camellia Food|
|Special Feature||Easy Care, Gift Plant, Tolerates Acidic Soil, Year-round Interest, Bird Friendly, Tolerates Urban Pollution|
|Watering Needs||Needs regular watering - weekly, or more often in extreme heat.|
|Companion Plants||Hydrangea (Hydrangea); Holly (Ilex); Astilbe (Astilbe); Bleeding Heart (Dicentra); Coral Bells (Heuchera)|
Best in evenly moist, well-drained, acidic, organic soil. Site in a sheltered spot in cold winter zones. Water regularly during first growing season to establish a deep, extensive root system. Fertilize after bloom. Keep roots cool with a thick layer of mulch.
This Plant's Growing Zones: 4-8