Thuja koraiensis 'Glauca'
Korean arborvitae 'Glauca'
A dwarf, shrubby, spreading conifer to 90cm tall, with upright to arching shoots bearing flattened, ferny sprays of tiny, scale-like leaves. The foliage is blue-green with a silvery underside. Suitable for a rock garden or as ground cover
Size
Ultimate height
0.5–1 metresTime to ultimate height
10–20 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Blue Grey Silver | |||
|---|---|---|---|---|
| Summer | Green Blue Grey Silver | |||
| Autumn | Green Blue Grey Silver | |||
| Winter | Green Blue Grey Silver |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Cupressaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Bushy
- Potentially harmful
- Harmful if eaten, skin allergen. Wear gloves and other protective equipment when handling
- Genus
Thuja are fast-growing evergreen trees of narrowly conical habit, with flat sprays of tiny, aromatic, scale-like leaves and small knobbly cones
- Name status
Unresolved
How to grow
Cultivation
Grow in deep, moist but well-drained soil in full sun or partial shade
Propagation
Propagate by seed or semi-ripe cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Patio and container plants
- Rock garden
- Low Maintenance
- Ground cover
Pruning
No pruning required
Pests
May be susceptible to scale insects
Diseases
May be susceptible to honey fungus and other fungal diseases, particularly thuja blight and Coryneum canker (see conifers: brown patches)
Get involved
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