Sorbus scalaris ambig.
ladder leaf rowan
A small, spreading tree to 10m tall and wide with leaves made up of 21-33 narrowly oblong, glossy green to dark green leaflets that are downy beneath and turn attractive shades of orange, red and purple in the autumn. Flattened heads of small white flowers borne in spring are followed by rounded red fruits
Size
Ultimate height
8–12 metresTime to ultimate height
10–20 yearsUltimate spread
Wider than 8 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | White | Green | ||
|---|---|---|---|---|
| Summer | Green | Red | ||
| Autumn | Orange Purple Red | Red | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Rosaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Fruit are ornamental, not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental, not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
- Genus
Sorbus can be deciduous trees or shrubs with simple or pinnate leaves and clusters of small white or pink flowers, followed by white, yellow, pink, red or brown berries; some have fine autumn colour
- Name status
Correct
How to grow
Cultivation
Grows best in a moist but well drained soil in full sun or partial shade
Propagation
Propagate by seed or by softwood cuttings in early summer
Suggested planting locations and garden types
- Cottage and informal garden
- Coastal
- Wildlife gardens
- Low Maintenance
Pruning
Pests
May be susceptible to aphids, scale insects, pear blister mite, red spider mite and sawfly larvae
Diseases
May be susceptible to fireblight, apple canker, silver leaf and honey fungus
Get involved
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