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Hibiscus (Swamp Mallow)

Swamp Mallows from the Malvaceae family are shrubs with a perennial rootstock from moist spots in bogs in northern America. They require plenty of water in summer and are best cultivated in shallow water at the edge of a pond, where they will unfold willingly their large, tropical flowers from mid summer through early autumn.
Sow flat in spring at some 20°C in any humus rich, moist soil in a sunny spot. Transplant as soon as seedlings are strong enough. Give dormant rootstock in winter some protection from freezing through (e.g. mulch layer).
All are USDA Climate Zone 7.
20 seeds per package, unless stated differently.

You find more Hibiscus species in this category: Hibiscus (Hardy Mallow) and Hibiscus (Tropical Mallows).
Articles
Hibiscus coccineus (Scarlet Rose Mallow)

Hibiscus coccineus (Scarlet Rose Mallow)

180 (240)cm, Scarlet Rose Mallow or Scarlet Hibiscus is an utmost beautiful, yet still rarely cultivated perennial herbaceous shrub from wet areas in southern USA (Georgia, and Alabama to central Florida). It makes tall annual stalks with very large, brilliant scarlet red flowers above palmately-divided leaves. The latter as well as its stems are nicely red tinged. As in the related Swamp Mallow (Hibiscus moscheutos) the stalks die back in winter and re-sprout in following spring. For any very humus rich, always slightly moist soil in full sun. During winter stop watering and preferably cover the dormant rootstock with a mulch-layer to give some additional protection from freezing through. VII-IX.
20 seeds per package.

price (plus Shipping Costs)
seed package 3807 € 2,99
Hibiscus grandiflorus (Giant Swamp Mallow)

Hibiscus grandiflorus (Giant Swamp Mallow)

200 (300)cm, Giant Swamp Mallow is an eye-catching, yet still rarely cultivated perennial herbaceous shrub from wet areas in south-eastern USA (Florida). It makes very tall annual stalks with very large, always pale rose flowers, which is the typical and only color in this species. Additionally, petals are narrower than in any other North American swamp mallow species. Leaves are palmately-divided, greyish-green, and smoothly pubescent. The annual stalks usually die down in winter and the plant re-sprouts in following spring. For any very humus rich, always slightly moist soil in full sun. During winter cover the dormant rootstock with a mulch-layer to give some additional protection from freezing through. Seeds or plants in the garden trade are mostly either Hibiscus moscheutos or some hybrid with an atypical flower color and form. Our seeds are from true-to-type plants. VII-IX.
10 seeds per package.

price (plus Shipping Costs)
seed package0271 € 7,99
Hibiscus laevis (Halberdleaf Rosemallow)

Hibiscus laevis (Halberdleaf Rosemallow)

150 (200)cm, Halberdleaf Rosemallow (syn. Hibiscus militaris) is similar in appearance to the Swamp Mallow Rose (Hibiscus moscheutos), yet the light pink flowers are more trumpet shaped and show a darker inner blotch. It is native of wetlands and moist woods in North America. For any always slightly moist, humus rich soil in full sun. Plants die back in autumn and go dormant during winter. During winter stop watering and preferably cover the dormant rootstock with a mulch-layer to give some additional protection from freezing through. The rootstock makes new shoots by mid spring. VII-IX.
20 seeds per package.

price (plus Shipping Costs)
seed package 3621 € 4,99
Hibiscus lasiocarpus (Rose Mallow)

Hibiscus lasiocarpus (Rose Mallow)

180 (250)cm, Rose Mallow (syn. Hibiscus moscheutos ssp. lasiocarpos) is a herbaceous perennial with several upright stems with white to pale rose, more rarely intense rose flowers with a small dark purplish red center. It is native of moist, humus rich spots in wetlands in California (USA). For any humus rich, always slightly moist soil in a sunny spot, excellent at the edge of a pond or a water stream. VII-X.
20 seeds per package.

price (plus Shipping Costs)
seed package 1017 € 4,99
seed package
Hibiscus moscheutos (Swamp Rose Mallow)

Hibiscus moscheutos (Swamp Rose Mallow)

150 (200)cm, Swamp Rose Mallow is native from lakeshores, swamps and wetlands in the US. Makes ornamental, large pink to pure white cup shaped flowers. For any always moist, very leafy soil in full sun. Plants die back in autumn and go dormant during winter. The rootstock makes new shoots by mid spring. VII-IX.
20 seeds per package.

price (plus Shipping Costs)
seed package2886 € 3,99*
seed package
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.
Hibiscus palustris (Swamp Rose-Mallow)

Hibiscus palustris (Swamp Rose-Mallow)

170 (220)cm, Swamp Rose-Mallow (syn. Hibiscus moscheutos ssp. palustris) is a herbaceous perennial with several erect stems covered with light green leaves. In contrast to the closely related Hibiscus moscheutos it has several, always showy rich pink flower cups. It is native of marshes and alongside wetlands in eastern and southeastern USA. Reports from supposedly wild populations in southwestern Europe are all established garden escapes. The natural distributional area of this species is confined to the New World. For any humus rich, well drained, always slightly moist soil or at the edge of a pond or stream in a sunny spot. VII-IX.
20 seeds per package.

price (plus Shipping Costs)
seed package 1018 € 4,99