Helsinki University Rhododendron
Rhododendron x 'Helsinki University' (H-1)
SKU
01623
Extremely hardy selection displays large trusses of lightly scented, deep pink blooms with orange-red specks. Dense, dark green glossy foliage is tinged red upon emerging in spring. Upright rounded form makes a nice background to finer textured plants. Evergreen.
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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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| Botanical Pronunciation | roh-do-DEN-dron |
|---|---|
| Average Size at Maturity | Slowly reaches 4 to 6 ft. tall and 3 to 4 ft. wide. |
| Bloom Time | Late Spring |
| Deciduous/ Evergreen | Evergreen |
| Flower Attribute | Fragrant, Showy Flowers |
| Flower Color | Pink |
| Foliage Color | Green |
| Garden Style | Asian/Zen, Cottage |
| Growth Rate | Moderate |
| 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 |
| Water Needs | Moderate |
| 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
Your USDA Cold Hardiness Zone:
Your climate may be too cold for this plant