Rhododendron 'Cosmopolitan'
hybrid rhododendron
Ravishing rounded trusses of pale-pink, funnel-shaped flowers with a deep red flowers with a deep red flare in late spring and early summer and glossy, dark green leaves.
The flowers of this bushy, evergreen rhododendron gradually fade to light pink. Neat and dense in habit, Rhododendron 'Cosmopolitan' makes an attractive all-year plant for a shrub border with humus-rich, acid soil.
The flowers of this bushy, evergreen rhododendron gradually fade to light pink. Neat and dense in habit, Rhododendron 'Cosmopolitan' makes an attractive all-year plant for a shrub border with humus-rich, acid soil.
How to care for Rhododendron Cosmopolitan:
When planting, avoid planting too deeply, and incorporate well-rotted compost or manure into the planting hole, adding some mycorrhizal fungi to aid root establishment.
Remove spent flower spikes regularly to encourage prolonged flowering. In late autumn, after flowering has finished, cut back any dead or damaged growth to maintain a tidy shape. In early spring, prune lightly to remove any winter-damaged stems and to promote strong, healthy new growth.
Apply a generous 5-7cm (2-3in) mulch of leaf mould around the base of the plant each spring. Protect from strong winter winds.
Remove spent flower spikes regularly to encourage prolonged flowering. In late autumn, after flowering has finished, cut back any dead or damaged growth to maintain a tidy shape. In early spring, prune lightly to remove any winter-damaged stems and to promote strong, healthy new growth.
Apply a generous 5-7cm (2-3in) mulch of leaf mould around the base of the plant each spring. Protect from strong winter winds.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
2.5m
Eventual spread:
1.5m
Position:
Light shade
Rate of growth:
Average
Soil:
Humus-rich, moist, well-drained acid soil or ericaceous compost
Hardiness:
Fully hardy
-
Humans/Pets: Harmful if eaten
Unavailable
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