Hibiscus, Rose of Sharon, Shrub Althea 'America Irene Scott'

Hibiscussyriacus

Family
Malvaceae (mal-VAY-see-ee)
Genus
Hibiscus (hi-BIS-kus)
Species
syriacus (seer-ee-AK-us)
Synonym
Spacing
8-10 ft. (2.4-3 m)
Hardiness
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Sun Exposure
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Full Sun
Bloom Time
Foliage
Pale Pink
Other Details
Other details
Mid Summer
Late Summer/Early Fall
Mid Fall
Propagation Methods
Deciduous
Good Fall Color
Seed Collecting
Soil pH requirements
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
Patent Information
Foliage Color
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Bloom Characteristics
Water Requirements
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

Leesburg, Georgia

Coatesville, Indiana

West Babylon, New York

Wilkes Barre, Pennsylvania

Jacksonville, Texas

Richmond, Texas

show all

Featured Videos

Gardener's Notes:

2
positives
0
neutral
0
negative
Sort By:
Sort By:
K
West Babylon, NY (Zone 7a) | August 2013 | positive

It says they don't produce seed but my plant has developing seed pods. Mabye alone its sterile, but possibly old varieties of rose of Sha...Read More

B
Irving, TX (Zone 8a) | July 2010 | positive

This is an interesting plant. It offers more than just the flowers and is a pretty decent grower.

Featured
Common Mud Dauber
(Sceliphron formosum)
Peregrine Falcon
(Falco peregrinus)
Featured
Common Mud Dauber
(Sceliphron formosum)
Peregrine Falcon
(Falco peregrinus)