Gleditsia triacanthos f. inermis 'Sunburst'

RHS Plant Profile
thornless honey locust 'Sunburst'

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thornless honey locust 'Sunburst' RHS 1986
thornless honey locust 'Sunburst' visionspictures.com
thornless honey locust 'Sunburst' visionspictures.com

Synonyms

Gleditsia triacanthos 'Inermis Aurea'

Trees
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A small deciduous tree with a rounded crown. Leaves bipinnate, with small, leaflets, golden-yellow in early summer, becoming greener in summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

8-12 metres

Max Spread

4-8 metres

Size

Time to Maturity
20–50 years
Max Spread
4-8 metres
Max Height
8-12 metres

Growing Conditions

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

Position

Full sun
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H6

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Fabaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Gleditsia are deciduous trees with elegant, pinnate or bipinnate foliage, often on spiny branches, inconspicuous flowers followed by large flattened seed-pods
Name Status
Accepted

How to Grow

Cultivation

Grow as a specimen tree in any well-drained soil in full sun

Propagation

Propagate by seed or grafting

Suggested planting locations and garden types

  • Low Maintenance

Pruning

Pruning group 1

Pests

May be susceptible to gall midge

Diseases

May be susceptible to honey fungus