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Family: Malvaceae · Pot: 13 cm · Height: 25 cm
Hibiscus syriacus ‘Duc de Brabant’ brings the theatre of a historic double cultivar into a contemporary garden. Deep fuchsia-red corollas fill with folded petaloid organs, resembling small old-fashioned rosettes across the upright green crown. The colour is rich, the flower almost sculptural and the long-flowering overall effect carries authentic European character without ever feeling museum-like.
Give it a sunny background, warm wall or place at the back of a border, where height adds rhythm without smothering lower plants. Individual flowers are brief, but new growth opens successive buds for many weeks.
Three distinct details explain the horticultural value of ‘Duc de Brabant’.
The deep fuchsia-red corolla fills with folded petaloid organs and retains an old garden character.
Peak bloom arrives from midsummer into autumn after many spring shrubs have finished.
The deciduous framework survives winter and returns with new flower-bearing growth each spring.
Why you will love it: Deep fuchsia double rosettes bring authentic historic character just as the summer garden needs fresh intensity.
Use as a historic focal point in a sunny border or informal flowering hedge, against a neutral background and with open space around the upright crown so its deep double rosettes remain visually clear.
Calamagrostis ‘Karl Foerster’, Nepeta ‘Walker’s Low’ and Echinacea ‘White Swan’ share the sunny site; a golden vertical line, blue base and white rhythm balance the deep fuchsia.
Full sun for dense growth and plentiful buds; morning sun is useful in extreme heat.
Provide moderate but deep water once established. Avoid both chronic drought and heavy saturated soil.
Hardy to roughly −20 °C or below depending on site and clone; late spring emergence is entirely normal.
An ornamental cultivar, not intended for consumption.
Full sun for dense growth and plentiful buds; morning sun is useful in extreme heat.
Provide moderate but deep water once established. Avoid both chronic drought and heavy saturated soil.
Fertile, well-drained soil from slightly acid to alkaline. A warm sheltered site ripens the wood more effectively.
Apply compost and a balanced feed as new growth starts; avoid excess nitrogen that produces length rather than flowers.
It flowers on new growth and usually needs little pruning. In late winter or early spring, remove only dead, damaged or crossing branches, retaining the natural framework.
It loses its leaves and remains woody. Do not assume the bare plant is dead before its characteristically late spring growth.
The first season builds roots and a woody base even when spring emergence appears slow. Current-season shoots will carry the late flowers, so there is no reason to remove them prematurely.
The upright crown becomes woody and each new summer shoot finishes with a sequence of deep fuchsia double rosettes.
At full maturity the crown reaches about 1.5–2.5 m in height and 1–1.5 m in spread. Final planting distance must follow that scale rather than the plant’s current young volume.
The main stems rise upright and open out higher up, keeping the base narrower. Lobed leaves frame the full purplish-red rosettes, so the crown is best appreciated with clear space around it.
Hibiscus syriacus ‘Duc de Brabant’ naturally loses its leaves in winter. The woody framework remains to support the next season’s leafy growth.
Hibiscus syriacus ‘Duc de Brabant’ already appears in George Nicholson’s The Illustrated Dictionary of Gardening, among the established cultivars of the species. Its name therefore belongs to the older horticultural literature, well before modern catalogues.
Bean’s later account describes its very double, deep crimson-pink flowers and dark buds. Those full flowers connect the shrub seen in gardens today with its historical description.
The original breeder’s name, the parents and the exact selection year have not been preserved with certainty. Yet ‘Duc de Brabant’ remains recognisable: an old name continuing its journey through gardens in the form of its distinctive double rosettes.
In ‘Duc de Brabant’, numerous stamens have a petal-like form, filling the flower’s centre. The European cultivar-testing protocol uses it as an example with many of these organs.
The pedicel is the slender stalk connecting each flower to its shoot. ‘Duc de Brabant’ is an official example of a short pedicel, so its full rosettes sit close to the leafy branching.
Six exact answers about placement, watering, pruning and seasonal behaviour for ‘Duc de Brabant’.
It can grow in a very large pot, but a mature scale of 1.5–2.5 m × 1–1.5 m makes open ground the better long-term choice. In a pot, monitor moisture and root space more frequently.
Full sun for dense growth and plentiful buds; morning sun is useful in extreme heat. Keep an open visual field around its mature 1–1.5 m spread so the cultivar’s particular crown remains clearly legible.
Provide moderate but deep water once established. Avoid both chronic drought and heavy saturated soil.
‘Duc de Brabant’ flowers on current-season shoots. Wait for buds to swell in late winter or early spring, then remove dead, weak or crossing wood.
Some stamens have become petaloid organs, so functional pollen is usually reduced compared with a single flower. That is the developmental cost of doubleness.
‘Duc de Brabant’ is deciduous and remains outdoors. A bare crown is normal and spring emergence is late; assess stem life when buds begin to swell.
