Overview

x Alcalthaea suffrutescens is a climbing herbaceous perennial in the genus Alcalthaea, part of the Malvaceae family, with deciduous foliage. x Alcalthaea suffrutescens grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H6. Suggested uses include cottage and informal garden, wildlife gardens and wall side borders.

About

x Alcalthaea suffrutescens, known as shrubby alcalthaea, is a climbing perennial hybrid within the Malvaceae family. It features a branching growth habit with hairy, deciduous leaves and produces upright clusters of flowers in shades of pink, cream, or yellow during spring and summer. This cultivar thrives in full sun on a south-facing, sheltered aspect with fertile, moist but well-drained loam soil of neutral pH. Suitable for cottage and informal gardens, wildlife gardens, and wall side borders, it is hardy to UK zone H6 and can be propagated by various cutting methods or seed with stratification.

Growing conditions

Best soil and position for Alcalthaea

Sunlight

Full sun

Soil type

Loam

Soil pH

Neutral

Soil moisture

Moist but well-drained

Aspect

South-facing

Exposure

Sheltered

UK hardiness

H6

Plant details

x Alcalthaea suffrutescens size, habit and characteristics

Plant type

Herbaceous Perennial

Habit

Climbing

Foliage

Deciduous

Suggested uses

Cottage and informal garden, Wildlife gardens, Wall side borders

Care notes

Pruning and caring for x Alcalthaea suffrutescens

Propagation

Softwood cuttings in early to mid spring, Hardwood cuttings in late summer to autumn, Chip budding in summer, Seed propagation (requires stratification)

Pest resistance

Aphids, Rose leafhopper, Glasshouse red spider mite, Scale insects, Caterpillars, Large rose sawfly, Rose slugworm sawfly, Rose leaf-rolling sawfly, Deer, Rabbits

Disease resistance

Rose black spot, Rose rust, Replant disease, Rose dieback, Rose powdery mildew, Honey fungus, Rose blindness, Flower balling

Frequently asked questions