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Conservatory GreenhouseShrubs
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
5–10 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Chalk
Loam
Sand
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Orange Red | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Sheltered Hardiness
H4Botanical details
- Family
- Lamiaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Bushy
- Genus
Colquhounia are evergreen shrubs with simple, aromatic leaves and colourful tubular flowers in dense spikes at the ends of the branches
- Name status
Correct
- Plant range
- E Himalaya to SW China
How to grow
Cultivation
Grow in poor to moderately fertile, well-drained soil in full sun, sheltered from cold, dry winds. The top growth may be damaged by hard frost but it will usually re-sprout from the base. Provide deep dry, winter mulch - see also winter protection
Propagation
Take softwood cuttings in summer
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Mediterranean climate plants
- Flower borders and beds
- Wall side borders
Pruning
Pruning group 6 in spring
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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