Capistrano Rhododendron Capistrano Rhododendrons have outstanding hardy yellow blooms. Trusses contain 15 frilly, greenish yellow flowers. Plant has a dense mounding habit. Give this plant some afternoon shade. Primary Color: Yellow Bloom Time: Late 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