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Scientific Name:
Hibiscus moscheutos (incl. hybrid cvs.)
Pronunciation:
hye-BISS-kiss moss-KEW-tus
Common Name:
hardy hibiscus, swamp rose mallow
Family Name:
Malvaceae
Plant Type:
Herbaceous perennial
Key ID Features:
Leaves alternate, broadly ovate, margins toothed, incised to form 3(-5) lobes, pubescent undersides, up to 15cm long; flowers up to 18cm wide. (H. 'Red Wine' has dark purple leaves and dark red flowers.)

Habit:
Stiffly upright
Form:
Oval - vertical, Round
Texture:
Medium - coarse
Mature Height:
0.7 - 1.3m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Fast
Origin:
Canada - eastern, Garden origin, U.S. - northeast, U.S. - southeast (Hybrid parentage may include H. moscheutos x H. coccineus and/ or H. laevis)
Hardiness Rating:
Zone 7: (-18 to -12 °C)
Exposure:
Full sun only if soil kept moist
Soil/Growing Medium:
Bog, Humus rich
Water Use:
Moderate
Landscape Uses:
Accent plant, Container planting, Mixed shrub border, Summer interest, Wetland - bogs
Additional Info:
Google. Cultivars on campus include H. ‘Red Wine’. Hybrid cultivars shown may include H. 'Berry Awesome'.

Leaf Morphology:
Form:
Simple, Lobed
Arrangement:
Alternate
Texture/Venation:
Soft flexible, Palmate venation
Surfaces:
Pubescent
Colour in Summer:
Green, Purple, Dark-red
Shapes:
Deltoid, Ovate
Apices:
Acute
Bases:
Cordate
Margins:
Dentate, Incised, Palmately lobed

Inflorescence Type:
Cyme
Flower Morphology:
Flowers perfect
Number Of Petals:
5
Corolla Shape:
Rotate/stellate
Ovary Position:
Superior
Colour (petals):
Showy, White, Violet, Purple, Pink, Red, Dark-red
Flower Time at Peak:
Jul, Aug, Sep

Fruit Type:
Capsule, Schizocarp
Fruit Colour:
Brown
Fruiting Time:
Oct
Additional Info:
Not showy,

Bark or Stem Colour:
Brown
Other:
Prune in spring
Pest Susceptibility:
Beetles or weevils, Canker or sap rot, Mildew, Rust (Deer resistant)

Course(s):
  • not used (on campus)
Location(s):
  • (ONE)  Overpass North side East : cv. Red Wine
Location Map