Overview

Sorbus x thuringiaca 'Scarlet King' is a columnar upright trees in the genus Sorbus, part of the Rosaceae family, with deciduous foliage. Sorbus x thuringiaca 'Scarlet King' grows best in full sun and partial shade, and tolerates most soils and acid and neutral pH. Its UK hardiness is rated H6. Suggested uses include city and courtyard gardens, cottage and informal garden and wildlife gardens.

About

Sorbus x thuringiaca 'Scarlet King' is a deciduous tree cultivar within the Sorbus genus, known for its columnar upright habit. Like other Sorbus species, it produces clusters of small flowers in spring and summer, followed by berries. This cultivar thrives in fertile, well-drained soil under full sun or partial shade and is suitable for a variety of garden settings, including city and courtyard gardens, cottage and informal gardens, and wildlife gardens. It is hardy in the UK (H6) and can be propagated by seed, softwood cuttings, or grafting.

About the genus

Sorbus is a genus of over 100 species of trees and shrubs in the rose family, Rosaceae. Species of Sorbus (s.str.) are commonly known as rowan or mountain-ash. The genus used to include species commonly known as whitebeam, chequer tree and service tree that are now classified in other genera.

Wikipedia contributors, "Sorbus", CC BY-SA 4.0Sorbus

Growing conditions

Best soil and position for Sorbus

Sunlight
Full sun, Partial shade
Soil type
Clay, Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
East-facing, North-facing, South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Sorbus x thuringiaca 'Scarlet King' size, habit and characteristics

Plant type
Trees
Habit
Columnar upright
Foliage
Deciduous
Suggested uses
City and courtyard gardens, Cottage and informal garden, Wildlife gardens

Care notes

Pruning and caring for Sorbus x thuringiaca 'Scarlet King'

Propagation
Propagate by seed, softwood cuttings or grafting
Pest resistance
May be susceptible to aphids, scale insects, pear blister mite, red spider mite and sawfly larvae
Disease resistance
May be susceptible to fireblight, apple canker, silver leaf and honey fungus

Frequently asked questions

Where is the best place to plant Sorbus x thuringiaca 'Scarlet King'?

Sorbus x thuringiaca 'Scarlet King' prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Sorbus x thuringiaca 'Scarlet King' need?

Sorbus x thuringiaca 'Scarlet King' is adaptable and grows happily in most soil types, including clay, loam and sand. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained to well-drained.

Is Sorbus x thuringiaca 'Scarlet King' hardy in the UK?

Sorbus x thuringiaca 'Scarlet King' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Sorbus x thuringiaca 'Scarlet King'?

Propagate by seed, softwood cuttings or grafting.