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Smooth Rose-mallow Hibiscus laevis

Previously known as:

  • Hibiscus militaris
Phonetic Spelling
hy-BIS-kus LAY-viss
Description

The Halberd-leaved Rose Mallow is a native perennial in the mallow family.  It has erect green stems and large showy white or pink flowers.  It is a relative of the okra and has a slimy mucilaginous sap.  It grows quickly in warm weather and works well in wetland gardens and woodland habitats.

This plant prefers full or partial sun, fertile soil, and wet conditions. Use in the water or rain garden, along streams or ponds or wet areas of the cottage or native plant garden.

 

VIDEO Created by Elizabeth Meyer for "Trees, Shrubs and Conifers" a plant identification course offered in partnership with Longwood Gardens.

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Tags:
#bees#hummingbirds#showy flowers#water garden#rain garden#white flowers#pink flowers#moths#native perennial#pond margins#fast growing#NC native#deer browsing plant#large flowers#light pink flowers#bogs#wetland#woodland#food source fall#Coastal OBL#food source herbage#food source nectar#food source pollen#Piedmont Mountains OBL#butterfly friendly#beetles#butterflies#pollinators#streams#audubon
 
Cultivars / Varieties:
Tags:
#bees#hummingbirds#showy flowers#water garden#rain garden#white flowers#pink flowers#moths#native perennial#pond margins#fast growing#NC native#deer browsing plant#large flowers#light pink flowers#bogs#wetland#woodland#food source fall#Coastal OBL#food source herbage#food source nectar#food source pollen#Piedmont Mountains OBL#butterfly friendly#beetles#butterflies#pollinators#streams#audubon
  • Attributes:
    Genus:
    Hibiscus
    Species:
    laevis
    Family:
    Malvaceae
    Life Cycle:
    Perennial
    Recommended Propagation Strategy:
    Seed
    Country Or Region Of Origin:
    Southeastern Canada, central and eastern U.S.A.
    Wildlife Value:
    This plant attracts hummingbirds, butterflies, bees, and other pollinators. It is browsed by white-tailed deer.
    Particularly Resistant To (Insects/Diseases/Other Problems):
    Heat tolerant.
    Dimensions:
    Height: 4 ft. 0 in. - 6 ft. 0 in.
    Width: 3 ft. 0 in. - 4 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Native Plant
    Growth Rate:
    Rapid
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    High Organic Matter
    Soil Drainage:
    Moist
    Occasionally Wet
    Available Space To Plant:
    3 feet-6 feet
    NC Region:
    Coastal
    Piedmont
    USDA Plant Hardiness Zone:
    4a, 4b, 5b, 5a, 6b, 6a, 7b, 7a, 8a, 8b, 9b, 9a
  • Fruit:
    Display/Harvest Time:
    Fall
    Fruit Description:
    Fruit displays from August to October. Large finely hairy seeds are carried by the water.
  • Flowers:
    Flower Color:
    Pink
    White
    Flower Inflorescence:
    Solitary
    Flower Value To Gardener:
    Long Bloom Season
    Flower Bloom Time:
    Fall
    Summer
    Flower Shape:
    Cup
    Flower Petals:
    4-5 petals/rays
    Flower Size:
    3-6 inches
    Flower Description:
    White to pink flowers bloom from June to August and are 5 petaled with a deeper colored throat and up to 6 inches wide. Prominent long stamens in the center of the cup-shaped flower. Each flower lasts for a day.
  • Leaves:
    Leaf Color:
    Green
    Leaf Type:
    Simple
    Leaf Arrangement:
    Alternate
    Leaf Shape:
    Lanceolate
    Ovate
    Leaf Margin:
    Lobed
    Hairs Present:
    No
    Leaf Length:
    3-6 inches
    Leaf Width:
    3-6 inches
    Leaf Description:
    The green leaves are 3 lobed and up to 6 inches long and 4 inches across. Resemble the old fashioned halberd spear. The margins are serrate-crenate. The leaf shape can vary from 3-5 lobed or unlobed.
  • Stem:
    Stem Color:
    Green
    Stem Is Aromatic:
    No
    Stem Cross Section:
    Round
    Stem Form:
    Straight
    Stem Surface:
    Smooth (glabrous)
    Stem Description:
    The stems are terete and glabrous, branching sparingly
  • Landscape:
    Landscape Location:
    Pond
    Woodland
    Landscape Theme:
    Butterfly Garden
    Cottage Garden
    Native Garden
    Pollinator Garden
    Rain Garden
    Attracts:
    Bees
    Butterflies
    Hummingbirds
    Moths
    Pollinators
    Resistance To Challenges:
    Wet Soil