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Ericaceae
Trees and shrubs
Rhododendron catawbiense 'Grandiflorum'
Hardiness
Zone 4
Discover the plant
Family
Ericaceae
Rhododendron catawbiense 'Grandiflorum', also known as Catawba rhododendron 'Grandiflorum', is a large evergreen ornamental shrub renowned for its vigor and spectacular flowering. This classic variety forms a large, dense, rounded bush that adds structure and volume to shrub beds, woodland gardens, and shaded landscape designs. In spring, large spherical inflorescences appear, covered with numerous lavender to light purple flowers, often marked with small darker spots in the throat. This abundant bloom creates a very decorative effect and attracts pollinating insects. Its dark green, thick, and slightly glossy evergreen foliage remains attractive all year round and contributes to the garden's structure even in winter. Very hardy and vigorous, this rhododendron prefers acidic soils, rich in organic matter, and well-drained.
Soil and care
The rightconditions.
Fertilization
Fertilizer for acid-loving plants in spring
Bloom and dimensions
The completeprofile.
Bloom periodSpring
Flower colorPurple
Foliage colorGreen
Foliage typePersistent
FruitingDry, unornamental capsules
Maximum height10 ft (3 m)
Maximum width10 ft (3 m)
Growth rateModerate
Hardiness zoneZone 4
Minimum temperature-32 °F
Its strengths, naturally.
Not recommended for pets
Pets
Plants that attract butterflies
Butterflies
Flowers that attract hummingbirds
Hummingbirds
