Photo by Melody

PlantFiles: Rose of Sharon
Hibiscus syriacus 'Blue Bird'

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

» View all varieties of Hibiscus

One vendor has this plant for sale.

18 members have or want this plant for trade.

8-10 ft. (2.4-3 m)

4-6 ft. (1.2-1.8 m)

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:

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Flowers are good for cutting

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From woody stem cuttings
From softwood cuttings
From semi-hardwood cuttings
From hardwood heel cuttings
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

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There are a total of 19 photos.
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5 positives
2 neutrals
No negatives

Gardeners' Notes:

Neutral rcklinge On May 23, 2013, rcklinge from Maple Bluff, WI wrote:

Wondering if it's possible to prune this to remain small/shrub sized? I would love to put one in my garden, but simply don't have room for an 8ft tall, 6ft wide bush.

Neutral Laura_the_Sower On Aug 19, 2012, Laura_the_Sower from Scottsville, NY wrote:


My sister's plant in Elmont, New York is just beautiful, however, it started out blue but then two years later had turned to light pink. Does anyone know what this is from and how to get it back to the beautiful blue that it used to be? Thank you.

Positive Anonany On Aug 24, 2009, Anonany from Bray, Co Wicklow
Ireland wrote:

The "regional" list only allows US zip codes, so this is just to let other Irish gardeners know that my 30+ year old plant grows very happily in Bray, Co Wicklow.

My garden is approximately 12 miles south of Dublin and 3 miles inland from the coast. The Hibiscus is planted on a south-facing hillside and gets plenty of shelter from surrounding trees and shrubs.

Last winter we got much heavier frosts than usual but -- perhaps because it's so well-established ? -- the plant continued to thrive and is now giving her usual display of fascinating flowers.

For those with small gardens, it would be well worth considering growing Blue Bird. She's slow-growing, has an upright habit and is easily pruned. Whilst slow to leaf in the Spring, the branches are very attractive in their own right, being silvery-grey-white.

I hope other Irish gardeners will find the above information helpful.

Regards, Anonany

Positive maccionoadha On Dec 1, 2007, maccionoadha from Halifax, MA (Zone 6a) wrote:

~ It takes 3 to 4 years to mature. It takes 10 to 20 days to germinate in 75 degree Fahrenheit, well-drained soil.
~ It is late-blooming, single blue blossoms with maroon throats. They are attractive to bees, butterflies and hummingbirds.
Diseases and pests that effect the plant are: Flower Bud Drop, Bacterial & Fungal Leaf Spot, Leaf Rust, Hollyhock Rust, Stem Canker, Cotton Root Rot, and Blight.
~ You can propagate them, by sowing the ripened seeds immediately or stored in a cool, dry place for 1 year. Lower branches can be soil layered. Take soft shoot cuttings in Spring or firm shoot cuttings in late Summer. They also respond to hardwood cuttings taken in Autumn. Prune established plants in early Spring by removing 1/3 of old wood. Young plants need protection in very cold regions.

Positive Kelly333 On Jun 23, 2005, Kelly333 from Longview, TX wrote:

Slow growing, but healthy. Beautiful blooms. Can take the heat and humidity. Requires ample water the first year or two to get it started off right. Otherwise I'm afraid the heat would kill it.

Positive mariej On Jun 20, 2005, mariej from montreal
Canada wrote:

I live in Montreal, Canada and have two (although small, about 2 feet tall) version of this plant. And it grows and blooms!!! And believe me it's coooold out here!!! I never cover them in winter but I do cover their base with mulch as high as I can. I get a lot of flowers for their size. I would like to know how to propagate them cause in Montreal, Blue Birds are a rare find and if you do find them, their price is pretty high.

Positive lupinelover On Aug 12, 2002, lupinelover from Grove City, OH (Zone 6a) wrote:

Contrary to its name, the color is not true blue, but veers more toward pale lilac with some blue mixed in. Very beautiful, but not free-flowering unless full sun.


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

, (2 reports)
San Jose, California
San Leandro, California
Chicago, Illinois
Mount Prospect, Illinois
Shawnee Mission, Kansas
New Orleans, Louisiana
Shreveport, Louisiana
Kennebunk, Maine
Brookeville, Maryland
Potomac, Maryland
Halifax, Massachusetts
Wayland, Massachusetts
Grand Rapids, Michigan
Ocean Springs, Mississippi
Iselin, New Jersey
Mount Laurel, New Jersey
Alden, New York
Elmont, New York
Southold, New York
Trinity, North Carolina
Cleveland, Ohio
Hulbert, Oklahoma
Salem, Oregon
West Linn, Oregon
Pittsburgh, Pennsylvania
Conway, South Carolina
Greenville, South Carolina
North Augusta, South Carolina
Middleton, Tennessee
Summertown, Tennessee
Lindale, Texas
Longview, Texas
Navasota, Texas
Temple, Texas
Weatherford, Texas
Grand Mound, Washington
Olympia, Washington

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