Rose of Sharon, Shrub Althea 'Woodbridge'

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
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
Sun to Partial Shade
Bloom Time
Foliage
Fuchsia (red-purple)
Other Details
Other details
Mid Summer
Late Summer/Early Fall
Propagation Methods
Deciduous
Smooth
Seed Collecting
Soil pH requirements
From softwood cuttings
From semi-hardwood cuttings
By air layering
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:

Bay City, Michigan

Pittsburgh, Pennsylvania

Wytheville, Virginia

Featured Videos

Gardener's Notes:

0
positive
1
neutral
0
negative
Sort By:
Sort By:
B
B
Baa
| July 2004 | neutral

A vibrant cultivar of H. syriacus, bears large (up to 4") pink flowers with a dark pink centre in Summer.

Loves a well dra...Read More

Featured
Giant Swallowtail
(Papilio cresphontes)
White-faced Heron
(Ardea novaehollandiae)
Featured
Giant Swallowtail
(Papilio cresphontes)
White-faced Heron
(Ardea novaehollandiae)