Myrtifolium Rhododendron Myrtifolium Rhododendron has a flower that is 1" across, purplish-pink with red spots. Very hardy plant that tolerates heat and sun. Primary Color: Pink Bloom Time: Late Height in 10 Years: 3' Hardiness (Temperature): -15 Sun / Shade: Sun Tolerant Landscape Category: Shrub Genus: Rhododendron More plants in: Hybrid Rhododendrons Find out if this plant is available: Rhododendron and Azalea Availability List