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PlantFiles: Rose of Sharon
Hibiscus syriacus 'Hamabo'

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

» View all varieties of Hibiscus

6 members have or want this plant for trade.

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:
Rose/Mauve
Maroon (Purple-Brown)

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Deciduous
Blue-Green
Smooth-Textured

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
From seed; germinate in a damp paper towel

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds

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By OhioBreezy
Thumbnail #1 of Hibiscus syriacus by OhioBreezy

By OhioBreezy
Thumbnail #2 of Hibiscus syriacus by OhioBreezy

By Gindee77
Thumbnail #3 of Hibiscus syriacus by Gindee77

By eranim
Thumbnail #4 of Hibiscus syriacus by eranim

By wallaby1
Thumbnail #5 of Hibiscus syriacus by wallaby1

By kniphofia
Thumbnail #6 of Hibiscus syriacus by kniphofia

Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Gindee77 On May 18, 2005, Gindee77 from Hampton, IL (Zone 5a) wrote:

This ROS is a great bloomer and survives our zone 5 winters just fine.

Positive brandnewgirl133 On Dec 30, 2004, brandnewgirl133 from Box Springs, GA wrote:

This is a great plant to grow!It seems to love the heat that we have here,and doesn't need much water to grow.The flowers are huge,and a beautiful shade of purple.They last for a long time,also.The seeds are very easy to collect,and they are also easy to sow.They grow very fast.This is a great plant for people who live in the South,and have very hot summers and cool winters.

Positive OhioBreezy On Jan 6, 2004, OhioBreezy from Dundee, OH (Zone 5b) wrote:

I love how fast this shrub grows here for me, little seedlings that germinate one spring will flower for me in the second spring, often times on small 1 foot tall little plants. They bloom profusely and are a sight to see all open at once, if you don't want seeds to save or seeds to drop, AND unless you have a thick layer of mulch, YOU MUST snip off the dead flowers or they will reseed everywhere under the mamma plant. They come true from seed. Overall, I love it in my gardens and wouldn't trade it for anything :)

Regional...

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

Tuscaloosa, Alabama
Merced, California
Box Springs, Georgia
Calhoun, Georgia
Hampton, Illinois
Moline, Illinois
Attleboro, Massachusetts
Buffalo, New York
Cleveland, Ohio
Dundee, Ohio
Happy Valley, Oregon
Pittsburgh, Pennsylvania
Fort Worth, Texas
Falls Church, Virginia
Richmond, Virginia



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