Hibiscus paramutabilis
Hibiscus paramutabilis
Hibiscus paramutabilis
Hibiscus paramutabilis
Rose Mallow
Bush absolutely splendid that astonishes the neighbours and the connoisseurs. It makes you wonder why this species is so little known in Britain.
Jean, 14/07/2019
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Description
The Hibiscus paramutabilis is a beautiful shrub that can grow over 3 metres (9 feet 10 inches) in all directions. It is less popular than its cultivated cousin, Althaea, but equally abundant in flowers from summer to the first frost and is hardy enough to withstand temperatures as low as -15°C. Its lovely flowers are white to pink, sometimes entirely pink, with a stunning carmine red spot in the centre. The plant has larger foliage than its cousin, which is light green and slightly downy. In the garden, this hibiscus is as sturdy and accommodating as its close relative. It is easy to combine in a flowering hedge or border, growing effortlessly in the sun and in ordinary but deep and well-drained soil.
The Hibiscus paramutabilis is a deciduous bush in central China belonging to the Malvaceae family. It grows between 500 and 1000m (1640 ft 5 in and 3280 ft 10 in) above sea level. In nature, it can reach 4m (13 ft 1 in) in all directions, but in our gardens, it will usually peak at 2.50m (8 ft 2 in). Its branches are large, slightly arched, and support a bushy, open, and somewhat loose habit. The plant has moderate growth, and its deciduous palmate leaves have 3 to 7 lobes with toothed edges and are covered with sparse down. The plant produces short-lived flowers from July to October that wither in 24 hours. However, more flowers are produced if the weather remains mild. They are single, solitary, 12 to 20cm (4.7 to 7.9 in) wide, and come in shades of pink and white, depending on the plant. The flowers are arranged around a carmine red throat and carried by pedicels 2 to 4cm (0.8 to 1.6 in) long. The fruits are oblong capsules covered with down.
The Hibiscus paramutabilis grows well in the same conditions as the Althaea and serves the same purpose in the garden. It thrives in bright, warm areas but can handle some light shade in southern regions. This low-maintenance hibiscus grows slowly but steadily during the first few years. It's best to plant it in a protected spot with soil that stays somewhat moist until the end of summer. It can be used in a medium-sized hedge, in combination with other hibiscus of different colours, botanical roses, or buddleias, as a standalone plant or at the back of a perennial border composed of daylilies, asters or shrubby salvias.
Hibiscus paramutabilis in pictures
Plant habit
Flowering
Foliage
Botanical data
Hibiscus
paramutabilis
Malvaceae
Rose Mallow
China
Planting and care
To plant Hibiscus paramutabilis, choose a sunny location or a partially shaded spot if you live in a warmer climate. The best time to plant is in spring or autumn, in a well-drained, deep, loose, fertile soil that retains moisture. If your garden soil needs improvement, add some compost and sand. Make a deep planting hole and water the plant abundantly after planting. Don't worry if the vegetation only forms after May, as it's entirely normal for this bush. A mature plant can withstand temperatures as low as -15°C (5°F), so it can grow in almost all areas except mountainous or extremely cold regions in winter.
Although bush hibiscus can tolerate heat and occasional dryness, they thrive in soils that retain moisture in summer. You should consider mulching the base of these bushes to help keep the soil moist.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.