Overview

Hibiscus rubis is a bushy shrubs in the genus Hibiscus, part of the Malvaceae family, with deciduous foliage. Hibiscus rubis grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include shrub borders, specimen planting and hedging.

About

Hibiscus rubis is a deciduous shrub cultivar within the Hibiscus genus, known for its bushy habit. Like other members of this genus, it produces large, funnel-shaped blooms over an extended flowering period. It thrives best in full sun, ideally in a south-facing, sheltered position with moist but well-drained neutral loam soil. Hardy to UK zone H5, it is suitable for shrub borders, specimen planting, or hedging. Planting is recommended after the last frost in fertile soil, and propagation is typically done by semi-hardwood cuttings. This cultivar is notable for its winter season interest.

Growing conditions

Best soil and position for Hibiscus

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Hibiscus rubis size, habit and characteristics

Plant type
Shrubs
Habit
Bushy
Foliage
Deciduous
Suggested uses
Shrub borders, specimen planting, hedging

Care notes

Pruning and caring for Hibiscus rubis

Propagation
Semi-hardwood cuttings
Pest resistance
Aphids, scale insects, mealybugs, glasshouse whitefly
Disease resistance
Honey fungus, powdery mildews

Frequently asked questions

Where is the best place to plant Hibiscus rubis?

Hibiscus rubis prefers full sun. It suits sheltered positions.

What soil does Hibiscus rubis need?

Hibiscus rubis grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Hibiscus rubis hardy in the UK?

Hibiscus rubis has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Hibiscus rubis?

Semi-hardwood cuttings.

More in the Hibiscus genus

Browse all Hibiscus