Acer negundo 'Auratum'

RHS Plant Profile
gold-edged box elder

Other common names

box elder 'Auratum'

Synonyms

Acer negundo 'Aurea'

Trees

A deciduous tree, to around 8m high, with pinnate leaves divided into oval-shaped leaflets that emerge bright yellow in spring, and turn paler as they mature. Small yellow-green flowers are borne in early summer, with male and female flowers produced on separate plants; male flowers appear in dense clusters and female flowers in long loose tassels. This cultivar is somewhat slower growing than the species

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity
5–10 years
Max Spread
4-8 metres
Max Height
4-8 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical 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 moisture-retentive, well-drained soil in sun or part shade

Propagation

Propagate by softwood cuttings or by grafting

Suggested planting locations and garden types

  • Architectural
  • City and courtyard gardens
  • Cottage and informal garden
  • Low Maintenance

Pruning

Minimal pruning required; see pruning group 1. Prune from late autumn to mid-winter only

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