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Hibiscus (Hardy Mallow)

Hardy Mallows or hardy Hibiscus are mostly growing as perennial, woody shrubs. All require a well drained soil in full sun and plenty of water in summer, so that they make their flowers in profusion all summer long.
Sow flat preferably in spring at some 20°C in any rocky or sandy soil, keep pots always sunny. Transplant seedlings as soon as they are strong enough.
All are USDA Climate Zone 6/7.
20 seeds per package, unless stated differently.

You find more Hibiscus species in this category: Hibiscus (Swamp 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 a 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, pale rose flowers above palmately-divided, greyish-green, smoothly pubescent leaves. 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. VII-IX.
10 seeds per package.

price (plus Shipping Costs)
seed package0271 € 4,99
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 is a herbaceous perennial with several upright stems with white to pale rose or intense rose flowers with a small dark purplish red center. 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 palustris (Swamp Rose-Mallow)

Hibiscus palustris (Swamp Rose-Mallow)

170 (220)cm, Swamp Rose-Mallow is a herbaceous perennial with several erect stems covered with light green leaves. In contrast to the closely related Hibiscus moscheutos it has several, showy rich pink flower cups. It is native of marshes and alongside wetlands in the USA. 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