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Rose of Sharon
Hibiscus syriacus 'Collie Mullens'

Family: Malvaceae (mal-VAY-see-ee) (Info)
Genus: Hibiscus (hi-BIS-kus) (Info)
Species: syriacus (seer-ee-AK-us) (Info)
Cultivar: Collie Mullens
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Height:

8-10 ft. (2.4-3 m)

Spacing:

4-6 ft. (1.2-1.8 m)

Hardiness:

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)

Sun Exposure:

Sun to Partial Shade

Bloom Color:

Magenta (Pink-Purple)

Violet/Lavender

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Deciduous

Blue-Green

Other details:

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

From softwood cuttings

Seed Collecting:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Scottsdale, Arizona

Littleton, Colorado

Krotz Springs, Louisiana

Cleveland, Ohio

Cheshire, Oregon

Gaffney, South Carolina

San Antonio, Texas

Ridgefield, Washington

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Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Jun 1, 2007, kimmers from Turlock, CA (Zone 9a) wrote:

I'm in Zone 9 and all Rose of Sharon's do well here. This hybrid is just beautiful! Double flowers of a dusty rose. Such a unique color and since I'm giving this plant as a gift, this is all I can say about it. But I will be growing it myself when i move!