A dwarf, small-leafed rhododendron smothered in clusters of violet-blue flowers in spring on a compact, twiggy bush. Ideal for rockeries and pots. All parts contain grayanotoxins and are toxic to pets and people.
At a glance
- Plant type: Shrub
- Mature size: 1 m H × 1 m W
- Aspect: part shade or morning sun and full sun
- Water: consistently moist soil
- Frost: hardy
- Maintenance: moderate maintenance
- Origin: Exotic
About Blue Diamond Rhododendron
Rhododendron 'Blue Diamond' is a slow-growing shrub in the Ericaceae family. It reaches around 1 m tall and 1 m wide at maturity, with evergreen foliage. Blue and purple flowers appear in spring.
Where to grow Blue Diamond Rhododendron
Blue Diamond Rhododendron suits cool-temperate climates and grows best in part shade or morning sun and full sun. It is frost hardy and shrugs off cold winters.
Soil & planting
Blue Diamond Rhododendron does best in acidic and free-draining soil. Plant into well-prepared ground, firm the soil around the roots and water deeply to settle it in.
Watering & feeding
Blue Diamond Rhododendron prefers consistently moist soil. Apply a balanced fertiliser in spring to support healthy growth. Check moisture below the mulch during establishment and water thoroughly when needed rather than following a rigid schedule.
Pruning & care
Prune Blue Diamond Rhododendron after flowering to keep it compact and encourage the next flush of blooms. Its ongoing care level is moderate maintenance.
Using Blue Diamond Rhododendron in the garden
Blue Diamond Rhododendron earns its place for a feature or specimen planting and pots and courtyard containers. It is equally at home in the ground or a large pot on a balcony or courtyard.
Companion planting & design
Build the planting around neighbours suited to the same consistently moist soil and cool-temperate climate as Blue Diamond Rhododendron. Repeating the foliage or flower colour nearby will make the composition feel deliberate.
Good to know
Note that it is toxic to cats and dogs, so site it away from pets that chew. All parts can be toxic if eaten, so keep it away from small children.
Buying Blue Diamond Rhododendron
Plant Sale lists Blue Diamond Rhododendron as potted plants and advanced specimens. Use the interest form above to check current sizes, pricing and availability before ordering.
