Hardy Hibiscus, Rose Mallow, Swamp Mallow 'Heartthrob'

Hibiscusmoscheutos

Family
Malvaceae (mal-VAY-see-ee)
Genus
Hibiscus (hi-BIS-kus)
Species
moscheutos (mos-KEW-tos)
Synonym
Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
Sun Exposure
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
USDA Zone 9a: to -6.6 °C (20 °F)
Bloom Color
Full Sun
Sun to Partial Shade
Bloom Time
Foliage
Scarlet (dark red)
Maroon/Burgundy
Other Details
Other details
Mid Summer
Late Summer/Early Fall
Propagation Methods
Herbaceous
Velvet/Fuzzy
Seed Collecting
Soil pH requirements
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

South Berwick, Maine

Copperas Cove, Texas

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Gardener's Notes:

1
positive
0
neutral
0
negative
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Copperas Cove, TX | June 2012 | positive

Just purchased this and put it in the ground I bought 4 of them so far they seem to be loving the same conditions as other hardy hibiscus...Read More

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