Augustinii Rhododendron Augustinii Rhododendron is tall, upright speciies rhododendron variety with beautiful lavender blue funnel shaped blossoms. Primary Color: Lavender Bloom Time: Early May Height in 10 Years: 6' Hardiness (Temperature): -5 Sun / Shade: Morning Sun, Afternoon Shade Landscape Category: Shrub Genus: Rhododendron More plants in: Species Rhododendron Find out if this plant is available: Rhododendron and Azalea Availability List