Rose mallow hibiscus
Hibiscus Syriacus
The origin of the Rose Mallow hibiscus is Persian to South Korea, and it is very popular because it is the national flower, its abundant flowering is appreciated especially for its longevity and perseverance that is from July to October!
Description
Height at maturity
2 m
Wingspan at maturity
1 - 2 m
Exposure
sun
Flowering
July-October
Hardiness
-20°C
Origin
India - China
Hibiscus syriacus – Rose mallow hibiscus
(small deciduous ornamental shrub with prolonged summer flowering)
Origins and characteristics
Hibiscus syriacus belongs to the Malvaceae family, like lavateras and hollyhocks.
Widespread in Asia, it symbolizes enduring beauty and is renowned for its long flowering period and easy care.
Description and particularities
- Adult height : 1.80 to 2 metres
- Spread : 1.20 to 1.50 metres
- Habit : Upright, bushy, naturally compact
- Foliage : Deciduous, mid‑green, trilobed, appearing late in spring
- Flowering : July to October
- Flowers : Large funnel‑shaped flowers, 6 to 10 cm across
- Hardiness : Very good (down to –20 °C)
Exposure and soil
- Exposure : Full sun (essential for abundant flowering)
- Soil : Light, fertile, well‑drained, tolerates calcareous soils
- Tolerances : Resistant to urban pollution, tolerates moderate drought once established
Planting
- Period : Autumn or spring
- Spacing : 1 to 1.5 metres for a flowering hedge
- Preparation : Add compost or enriched potting soil at planting
Watering
- After planting : Regular watering during the first year
- Later : Water during prolonged drought; tolerates occasional neglect once well rooted
Pruning
- When? : Late winter or early spring (February–March)
- How? :
- Cut back by one‑third to encourage abundant flowering on young shoots
- Open the centre of the shrub to prevent fungal diseases
Propagation
- By seed : Easy but variable results (colour variation possible)
- By cuttings : Semi‑ripe cuttings in summer
Garden uses
Hibiscus syriacus is ideal for:
- Small gardens as a specimen shrub
- Flower beds with lavender, roses, grasses
- Flowering hedges free and colourful
- Container growing on sunny terraces or balconies
Disease protection
- Generally healthy shrub
- Watch for: aphids on young shoots; occasional powdery mildew in humid climates
Growing tips
- Plant in a warm, sunny position
- Mulch in summer to keep soil cool
- Prune regularly to renew flowering shoots
- Add compost each spring to support flowering vigour
Hibiscus syriacus, the garden hibiscus, is a robust, elegant and generous small shrub that extends summer flowering into autumn. Its ease of cultivation and radiant charm make it suitable for all gardeners, even beginners.
Features
- Common name : Rose mallow hibiscus - Swamp hibiscus
- Family : Malvaceae
- Category : shrub
- Spread : 1 - 2 m
- Foliage : deciduous
- Color of flowers : purple
- Use : shrubbery, flowered hedge
- Soil : neutral to alkaline
- Habit : upright
- Earth to use : universal potting soil/garden soil/compost
- Enemies : mealybug - aphid - whitefly
- Possible diseases : powdery mildew
Expédition & livraison
How does the delivery work?
As soon as you place your order your plants are selected
Each order is processed individually.
Plants are packed, staked and labeled.
Packaging is carefully implemented to avoid any problems.
Packages are ready to be shipped.
Our delivery methods
Shipping of our plants throughout Europe (except overseas and islands).
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