Rhododendron trichostomum (Ledoides Group) 'Collingwood Ingram'
rhododendron 'Collingwood Ingram'
A small evergreen shrub up to about 1m high, with small, narrow, aromatic dark green leaves with yellow-brown scales on the undersides. Produces small, dense clusters of 16-20 tubular pink flowers, paler in the throat, from late spring to early summer
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Size
Ultimate height
0.5–1 metresTime to ultimate height
5–10 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
AcidColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Pink | Green | ||
|---|---|---|---|---|
| Summer | Pink | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Ericaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Spreading branched
- Potentially harmful
- Harmful if eaten. Wear gloves and other protective equipment when handling. Pets (dogs, cats, rabbits, tortoises) Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Rhododendron can be evergreen or deciduous shrubs or trees, with simple leaves, sometimes with a dense colourful indumentum of hairs on the lower side, and funnel-shaped, bell-shaped or tubular flowers that may be solitary or in short racemes
- Name status
Accepted
How to grow
Cultivation
Grow in moist but well-drained, humus rich, acidic soil. Position in partial or dappled shade, or in full sun in cooler spots where the soil does not dry out. Choose a site away from frost pockets and sheltered from strong winds, and mulch annually, ideally with leaf mould. See rhododendron cultivation for more detailed advice
Propagation
Propagate by semi-ripe cuttings in late summer
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Rock garden
- Flower borders and beds
Pruning
Minimal pruning required, see pruning group 8 (evergreens)
Pests
May be susceptible to vine weevil, rhododendron and azalea whitefly, rhododendron leafhopper, Pieris lacebug, scale insects, caterpillars and aphids
Diseases
May be susceptible to powdery mildews, honey fungus, silver leaf and Phytophthora, as well as more specific Rhododendron diseases
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