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Ericaceae
Shrubs
Rhododendron 'Helsinki University'
Hardiness
Zone 5
Discover the plant
Family
Ericaceae
Rhododendron ‘Helsinki University’ is a very hardy evergreen shrub, selected for its ability to flower profusely despite harsh winters. This cultivar develops a rounded bushy habit and produces, in late spring, large bright pink flowers with orange-red markings, forming spectacular clusters that attract bees and butterflies. Its glossy dark green foliage, sometimes tinged with red when emerging, provides a decorative presence all year round, even outside the blooming period. Thanks to its exceptional hardiness down to -34 °C, it is perfectly suited to Nordic climates and is an excellent choice for flowerbeds, shady borders, or flowering hedges. It prefers acidic, rich, and well-drained soils, as well as full sun or partial shade for optimal flowering.
Soil and care
The rightconditions.
Fertilization
Fertilizer for acid-loving plants in spring
Bloom and dimensions
The completeprofile.
Bloom periodSpring
Flower colorPink with orange-red spots
Foliage colorDark green (young shoots tinged with red)
Foliage typePersistent
FruitingDry, rather plain capsules
Maximum height6 ft (1.8 m)
Maximum width4 ft (1.2 m)
Growth rateModerate
Hardiness zoneZone 5
Minimum temperature-35 °C (-31 °F)
Its strengths, naturally.
Not recommended for pets
Pets
Plants that attract butterflies
Butterflies
