Rhododendron, Minnetonka RhododendronMinnetonka Rhododendron is a slow growing evergreen shrub with a compact mounding habit and glossy dark green foliage. Large clusters of deep red violet buds open to violet flowers with lighter faces and a yellow speckles that bloom in mid spring. A very versatile plant that prefers morning or partial sun with acidic rich, well drained soils. Type: Shrub Height: 3 4 Spread: 4 5 Spacing: 4 USDA Hardiness Zone: 6 9 Culture: Part Sun Bloom Color: Purple