Bluenose Rhododendron Blue Nose Rhododendron is an Augustinii hybrid that produces an abundance of light violet flowers that fade to a lovely pale purple. Primary Color: Blue Bloom Time: May Height in 10 Years: 4' 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