About This Product
Botanical Name: Rhododendron occidentale 'Irene Koster'
Common Name: Irene Koster Western Rhododendron
A deciduous shrub with a mounding habit. Late spring bloom. Strongly fragrant, funnel-shaped flowers grow in globe-shaped trusses. Flowers are pale pink with a yellow blotch and dark orange spotting. Buds are striped dark pink. Attracts butterflies, bees and hummingbirds. Mid-green leaves are elliptic and leathery. Hardy to -15 degrees F.
USDA Zone: Zones 5 - 8
Sunset Zone: Zones 4 - 6, 15 - 17
Mature Height: 6 - 8 feet
Mature Width: 4 - 6 feet
Water Needs: Regular