About This Product
Botanical Name: Rhododendron occidentale 'Irene Koster'
Common Name: Irene Koster Western Rhododendron
Pink and cream trumpets open before or with the leaves on this deciduous, upright azalea. The western species parent is native to California streambanks and moist forest edges, and fall leaves turn warm shades. Use it beside shaded water features or redwoods. Filtered light, acidic soil, and steady moisture support bloom; all parts are toxic.
USDA Zone: Zones 5 - 9
Sunset Zone: Zones 4 - 9, 14 - 24
Mature Height: 6 - 8 feet
Mature Width: 6 - 8 feet
Light Needs: Partial Sun, Filtered Sun, Partial Shade
Water Needs: Moderate, Regular
