About
Acer campestre 'William Caldwell' is a deciduous tree that can reach heights of approximately 18 meters at full maturity. It features a vertical growth form. In the fall, the small, five-lobed leaves display a bright orange-red coloration. During spring, the tree produces small green flowers, which are succeeded by red, winged seeds.
About the genus
Acer consists of deciduous trees or sizable shrubs featuring pairs of leaves that are frequently palmately lobed. These plants produce small flowers that give way to distinctive winged fruits. Numerous species display vibrant autumn foliage, while certain varieties also exhibit decorative stems.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, North-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Trees
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- Higher than 12 metres
- Spread
- 4-8 metres
- Time to full height
- 20-50 years
- Suggested uses
- Architectural, Cottage and informal garden, Wildlife gardens
Care notes
- Cultivation
- Thrives in a fertile, moist but well-drained soil in full sun or part shade, but will tolerate a range of soils and positions
- Pruning
- Pruning group 1 but prune only from late autumn to midwinter
- Propagation
- Take softwood cuttings in early summer
- Pest resistance
- May be susceptible to gall mites, aphids, caterpillars and horse chestnut scale
- Disease resistance
- May be susceptible to tar spot, verticillium wilt and honey fungus