Hibiscus, Rose of Sharon, Shrub Althea 'Blue Satin'

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
N/A
Foliage
Blue-Violet
Other Details
Other details
Mid Summer
Late Summer/Early Fall
Propagation Methods
Deciduous
Seed Collecting
Soil pH requirements
From softwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked
From seed; sow indoors before last frost
From seed; direct sow after last frost
Patent Information
Foliage Color
Allow pods to dry on plant; break open to collect seeds
Bloom Characteristics
Water Requirements
Where to Grow
Regional

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

Pelham, Alabama

Huntington Beach, California

Los Angeles, California(2 reports)

Stockton, California

Waterbury, Connecticut

Wilmington, Delaware

Clermont, Florida

Eustis, Florida

Miami, Florida

Panama City, Florida

Richmond Hill, Georgia

Downers Grove, Illinois

Roscoe, Illinois

Florence, Mississippi

Saucier, Mississippi

Jefferson City, Missouri(2 reports)

Kearney, Nebraska

Lincoln, Nebraska

Vineland, New Jersey

Constable, New York

Ogdensburg, New York

Kernersville, North Carolina

Cleveland, Ohio

Coshocton, Ohio

Hulbert, Oklahoma

Bellefonte, Pennsylvania

Germansville, Pennsylvania

Harrison Valley, Pennsylvania

Jim Thorpe, Pennsylvania

North Augusta, South Carolina

Pleasant View, Tennessee

Austin, Texas

Houston, Texas

La Porte, Texas

Rowlett, Texas

San Antonio, Texas

Orem, Utah

show all

Featured Videos

Gardener's Notes:

11
positives
2
neutrals
1
negative
Sort By:
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B
Westover Hills, TX | May 2019 | neutral

I planted two of these about 5 years ago. They haven't gotten as tall as I expected, topping out so far at about 6 feet the past three s...Read More

V
Germansville, PA | May 2019 | negative

I planted one tree (bush) (that's ONE--1) and now have them coming up all over my yard and they are weeds taking over. Once they get them...Read More

W
Mingo Junction, OH | June 2017 | positive

This plant is growing next to a Blush Satin and it is really hard to choose a favorite. It flopped over last year but I left it to bloom ...Read More

M
Huntington Beach, CA | June 2016 | neutral

Bought Azuri Blue Satin directly from Proven Winners for my Southern Ca. garden last year, even though they are deciduous and not quite r...Read More

D
D
Los Angeles, CA (Zone 10a) | March 2013 | positive

i've had my plant now for more than six years. i had to prune it back a LOT last month, as i was moving the plant from one location to an...Read More

G
Jefferson City, MO | April 2012 | positive

The BEST of the Rose of Sharons. Easy to grow, not invasive, does not set much seed (if so, pull them up as they don't come true from se...Read More

B
B
Downers Grove, IL (Zone 5a) | June 2011 | positive

My sister ordered actual plants back in 2008 from Blue Stone Perennials and I ended up with small plants from the seeds dropping from the...Read More

B
Bellefonte, PA (Zone 5b) | August 2009 | positive

Very pretty blue color. I planted this two years ago, along with several pink varieties. The pink ones have grown much faster and are o...Read More

M
Waterbury, CT | August 2009 | positive

Bought this plant in the fall of 2007 from Park Seed. Looked like a dead 6-inch stick in a small pot when shipped. Had a bunch of bloom...Read More

D
Ogdensburg, NY | August 2008 | positive

Bought one this summer. It's not even two feet tall and is coverred in flowers/flowerbuds! Absolutely beautiful.

Looks ...Read More

P
Central, AL (Zone 8a) | December 2007 | positive

Blooms formed on mine the first year, although it was only about 18 inches tall. Survived record drought and 100 degree heat (though it h...Read More

K
K
Saratoga Springs, UT (Zone 8a) | March 2007 | positive

I bought this mail order, and moved shortly after, but was there long enough to see it put out an absolutely stunning flower...WOW! Surp...Read More

P
Stockton, CA (Zone 9a) | July 2006 | positive

Got this last Fall and it was a small dormant stick, I did not expect to get any flowers for a few years. I had a small start of ROS Aph...Read More

C
Houston, TX (Zone 9a) | April 2006 | positive

All my altheas do well here in Houston, but I had to find room for this new blue one. I'm disappointed in the color, as here in our heat...Read More

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