| Scientific Name: | Rhododendron 'Blue Diamond' |
| Common Name: | Blue Diamond rhododendron |
| Family Name: | Ericaceae |
| Origin: | Garden origin, North America |
| Hardiness Zone: | Zone 6: (-23 to -18 °C) |
| Plant Type: | Broadleaf evergreen |
| Mature Size: | 0.7 - 1.3m x 1.0 - 1.5m (height x width) |
| Habit: | Dense, Stiffly upright |
| Form: | Round |
| Texture: | Fine |
| Landscape Uses: | Mixed shrub border, Specimen plant, Spring interest, Woodland margin |
| Exposure: | Full sun, Part sun/part shade, Filtered shade |
| Soil or Media: | Acidic, Well-drained |
| Leaves: | Simple, Alternate, Spiraled, Soft flexible, Lustrous, Elliptic, Entire |
| Flowers: | Raceme, Blue, Violet, Apr-May-Jun |
| Fruit: | Capsule, Brown, Aug-Sep |
| Key ID Features: | |
| Dwarf cultivar (most <1m tall and wide after 10 years); leaves elliptic, bronze-green in winter, 2-3cm long x 1-1.5cm wide; flowers lavender-blue, about 4cm wide. | |