Cunningham White Rhododendron
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An evergreen shrub known for its large, showy clusters of pure white flowers that bloom in late spring, attracting pollinators. Its dark green, glossy foliage provides year-round ornamental interest, creating a lush, textured backdrop in gardens. The naturally dense, rounded habit makes it ideal for borders, foundation plantings, or as a specimen in woodland or mixed shrub gardens.
Valued for long-lasting blooms, low-maintenance growth, and evergreen foliage, it grows best in partial shade and prefers acidic, well-drained soil rich in organic matter. Once established, it tolerates moderate wind and urban conditions. Light pruning after flowering helps maintain shape and encourages healthy growth. Winter protection is recommended in harsh climates: mulch around the root zone and shield foliage from cold, drying winds to prevent winter burn.
| Shape | Rounded |
|---|---|
| Sun Exposure | Partial Sun |
| Latin Name | Rhododendron 'Cunningham White' |
| Flower Colour | White |
| Mature Height ** | 1.2 Meters - 4 Feet |
| Mature Width ** | 1.2 Meters - 4 Feet |
| Growth Rate | Average |
| Zone | 5 |
** Maturity Heights and Widths are listed to show what this plant can grow to in warmer climates and over the course of centuries. For landscape purposes in Ontario, take this value at 50% for appropriate spacing in your garden for immediate install purposes / for the next 10-20 years.