Hibiscus syriacus 'Puniceus Plenus' — Bushy

Overview

Hibiscus syriacus 'Puniceus Plenus' is a bushy shrubs in the genus Hibiscus, part of the Malvaceae family, with deciduous foliage. Hibiscus syriacus 'Puniceus Plenus' 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 syriacus 'Puniceus Plenus' is a deciduous shrub cultivar within the diverse Hibiscus genus, known for its bushy habit and large, funnel-shaped blooms. It thrives best in fertile, moist but well-drained loam soil with a neutral pH, ideally in a sheltered, south-facing position with full sun or part shade. Hardy to UK zone H5, this shrub is suitable for shrub borders, specimen planting, or hedging. It flowers in spring and summer, adding extended seasonal interest to the garden.

About the genus

Hibiscus is a genus of common flowering plants in the mallow family, Malvaceae. The genus is quite large, comprising several hundred species that are native to warm temperate, subtropical and tropical regions throughout the world. Member species are renowned for their large, showy flowers and those species are commonly known simply as "hibiscus", or less widely known as rose mallow.

Wikipedia contributors, "Hibiscus", CC BY-SA 4.0 — Hibiscus

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 syriacus 'Puniceus Plenus' 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 syriacus 'Puniceus Plenus'

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 syriacus 'Puniceus Plenus'?

Hibiscus syriacus 'Puniceus Plenus' prefers full sun. It suits sheltered positions.

What soil does Hibiscus syriacus 'Puniceus Plenus' need?

Hibiscus syriacus 'Puniceus Plenus' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Hibiscus syriacus 'Puniceus Plenus' hardy in the UK?

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