Rose of Sharon, Shrub Althea 'Double White'

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
Sun to Partial Shade
Bloom Time
Foliage
White/Near White
Other Details
Other details
Mid Summer
Late Summer/Early Fall
Propagation Methods
Seed Collecting
Soil pH requirements
From herbaceous stem cuttings
From woody stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Patent Information
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Regional

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

Leesburg, Georgia

Loganville, Georgia

Marietta, Georgia

Youngsville, Louisiana

Waynesboro, Mississippi

Elba, New York

Polkton, North Carolina

Cleveland, Ohio

Pickens, South Carolina

Cookeville, Tennessee

Lafayette, Tennessee

Corpus Christi, Texas

Temple, Texas

Tremonton, Utah

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Gardener's Notes:

1
positive
0
neutral
0
negative
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Youngsville, LA | July 2018 | positive

I bought a plant from Almost Eden here in Louisiana last Sept. 2017. It was very affordable & arrived as a 12" plant with several branche...Read More

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