Eruption Rhododendron Eruption Rhdodoendron has deep rose flowers with prominent ivory centers. Compact growth habit shrub. Primary Color: Red Bloom Time: Midseason Height in 10 Years: 5' Hardiness (Temperature): -15 Sun / Shade: Morning Sun, Afternoon Shade Landscape Category: Shrub Genus: Rhododendron More plants in: Hybrid Rhododendrons Find out if this plant is available: Rhododendron and Azalea Availability List