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.
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.
How do I propagate Hibiscus syriacus 'Puniceus Plenus'?
Semi-hardwood cuttings.
More in the Hibiscus genus
- Hibiscus 'Copenhagen'
- Hibiscus 'Mahogany Splendor'
- Hibiscus acetosella 'Haight Ashbury'
- Hibiscus acetosella 'Red Shield'
- Hibiscus arnottianus
- Hibiscus calyphyllusRock's hibiscus
- Hibiscus clayi
- Hibiscus coccineusAmerican scarlet rose mallow
