Hibiscus grandiflorus

Photo by Shirley Denton. Photograph belongs to the photographer who allows use for FNPS purposes only. Please contact the photographer for all other uses.

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 9A 9B 

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Swamp Rosemallow


Plant Specifics

Size:6-10 ft tall by 4 ft wide
Life Span:Short-lived perennial
Flower Color:Pink
Fruit Color:Brown
Phenology:Winter dormant
Habitats:Depressions in pine flatwoods, brackish and freshwater marshes, edges of lakes and ponds, along rivers, swamps, canals, ditches. Commonly in water but may occur in dry floodplains and dry marshes.


Recommended Uses:Specimen plant or background screen for wet places.
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
Moisture Tolerance: Aquatic ----- to ----- Usually moist, occasional inundation
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil/Substrate:Loam, Organic material (muck), Sand



Attracts butterflies, bees, beetles, and birds.

  • Larval host of  Gray Hairstreak, Painted Lady Butterfly, Common Checkered Skipper and Tropical Checkered Skipper butterflies and  four moths : Pearly Wood Nymph, Yellow Scallop Moth, Io Moth,  and Delightful Bird-Dropping Moths.
  • Attracts butterflies and  native bees (including the Rose-mallow Bee which is a Hibiscus specialist), beetles, etc.