Acer platanoides 'Crimson Sentry'
Norway maple 'Crimson Sentry'
A narrowly upright tree, ultimately 12m high and 5m across, with large, five-lobed, scallop-edged, very dark red-purple leaves. Clusters of small, yellow flowers tinged dark red in spring are followed by dark red and green, winged fruit in autumn
Size
Ultimate height
8–12 metresTime to ultimate height
10–20 yearsUltimate spread
4–8 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Yellow Red | Purple | ||
---|---|---|---|---|
Summer | Purple | |||
Autumn | Purple | Green Red | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Sapindaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Acer can be deciduous trees or large shrubs with paired, often palmately-lobed leaves and small flowers followed by characteristic winged fruits. Many have fine autumn colour, and some have ornamental stems
- Name status
Accepted
How to grow
Cultivation
Grow in fertile, moist but well-drained soil in sun or semi-shade
Propagation
Propagate by grafting
Suggested planting locations and garden types
- Architectural
- Cottage and informal garden
- Wildlife gardens
- Low Maintenance
Pruning
Pests
May be susceptible to Acer gall mite, aphids, caterpillars and horse chestnut scale
Diseases
May be susceptible to Verticillium wilt, Acer leaf scorch and honey fungus
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.