Hibiscus syriacus 'Sup'Blue' — Bushy, Clump forming, Columnar upright

Overview

Hibiscus syriacus 'Sup'Blue' is a bushy, clump forming, columnar upright deciduous shrub in the genus Hibiscus, part of the Malvaceae family, with deciduous foliage. It typically grows around 3 m tall and 3 m wide. Hibiscus syriacus 'Sup'Blue' grows best in full sun, and tolerates most soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include city and courtyard gardens, cottage and informal garden, flower borders and beds and wall side borders. It is native to East Asia.

About

Hibiscus syriacus is a species of flowering plant in the mallow family, Malvaceae. It is native to areas of east Asia, but widely introduced elsewhere, including much of Europe and North America.

Wikipedia contributors, CC BY-SA 4.0 — Hibiscus syriacus

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: Sandy, Loamy, Clay
Soil pH: Neutral
Soil moisture: Moist but well-drained
Aspect: South-facing, West-facing
Exposure: full sun
UK hardiness: H7

Plant details

Hibiscus syriacus 'Sup'Blue' size, habit and characteristics

Plant type: deciduous shrub
Habit: Bushy, Clump forming, Columnar upright
Foliage: Deciduous
Height: 3 m
Spread: 3 m
Suggested uses: City and courtyard gardens, Cottage and informal garden, Flower borders and beds, Wall side borders
Native to: East Asia

Care notes

Pruning and caring for Hibiscus syriacus 'Sup'Blue'

Propagation: Softwood cuttings, Semi-ripe cuttings, Layering
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 'Sup'Blue'?

Hibiscus syriacus 'Sup'Blue' prefers full sun. It suits full sun positions.

What soil does Hibiscus syriacus 'Sup'Blue' need?

Hibiscus syriacus 'Sup'Blue' is adaptable and grows happily in most soil types, including sandy, loamy and clay. It prefers neutral soil. Aim for soil that stays moist but well-drained.