Ruellia, Desert Petunia, Florida Bluebells, Mexican Petunia, Mexican Blue Bells 'Mexican Carpet'

Ruelliasimplex

Family
Acanthaceae (ah-kanth-AY-see-ee)
Genus
Ruellia (roo-EL-ee-uh)
Species
simplex (SIM-plecks)
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
This plant is resistant to deer
Smooth
Height
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
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)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Pink
Medium Purple
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms repeatedly
Other Details
Category
Tropicals and Tender Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Alabaster, Alabama

Albertville, Alabama

Auburn, Alabama

Dothan, Alabama

Elmore, Alabama

Gaylesville, Alabama

Henagar, Alabama

Mobile, Alabama

Russellville, Alabama

Green Valley, Arizona

Mesa, Arizona

Scottsdale, Arizona

Cabot, Arkansas

Little Rock, Arkansas

Clovis, California

Fresno, California

Long Beach, California

Los Angeles, California

Perris, California

Stockton, California

Aurora, Colorado

Bartow, Florida

Boca Raton, Florida

Clearwater, Florida(2 reports)

Deltona, Florida

Dunedin, Florida(2 reports)

Fernandina Beach, Florida

Fountain, Florida

Hobe Sound, Florida

Holiday, Florida

Interlachen, Florida

Jacksonville, Florida(4 reports)

Lake City, Florida

Largo, Florida

Merritt Island, Florida

Milton, Florida

New Smyrna Beach, Florida

North Fort Myers, Florida(2 reports)

Ocoee, Florida

Oldsmar, Florida

Ormond Beach, Florida

Pompano Beach, Florida(3 reports)

Riverview, Florida

Tampa, Florida

Tarpon Springs, Florida

Titusville, Florida

West Palm Beach, Florida

Winter Springs, Florida

Zephyrhills, Florida(2 reports)

Atlanta, Georgia

Barnesville, Georgia

Brunswick, Georgia

Dallas, Georgia

Leesburg, Georgia

Patterson, Georgia

Rincon, Georgia(2 reports)

Rutledge, Georgia

Townsend, Georgia

Greenville, Indiana

Sigourney, Iowa

Derby, Kansas

Baker, Louisiana

Baton Rouge, Louisiana

Covington, Louisiana

Gonzales, Louisiana

Homer, Louisiana

Lafayette, Louisiana

Metairie, Louisiana

New Iberia, Louisiana

New Orleans, Louisiana

Slidell, Louisiana

Vacherie, Louisiana

Bay Springs, Mississippi

Florence, Mississippi

Jackson, Mississippi

Madison, Mississippi

Mathiston, Mississippi

Petal, Mississippi

Saucier, Mississippi

Carthage, Missouri

Las Vegas, Nevada

Andrews, North Carolina

Camden, North Carolina

Concord, North Carolina

Jacksonville, North Carolina

Kure Beach, North Carolina

Rutherfordton, North Carolina

Sanford, North Carolina

Columbus, Ohio

Toledo, Ohio

Edmond, Oklahoma(2 reports)

Noble, Oklahoma

Oklahoma City, Oklahoma

Pocola, Oklahoma

Anderson, South Carolina

Beaufort, South Carolina

Columbia, South Carolina

Conway, South Carolina

Florence, South Carolina

Hilton Head Island, South Carolina

Leesville, South Carolina

Lexington, South Carolina

Mount Pleasant, South Carolina

Pelion, South Carolina

Summerville, South Carolina

Sumter, South Carolina

Knoxville, Tennessee

Sweetwater, Tennessee

Aransas Pass, Texas

Arlington, Texas(2 reports)

Austin, Texas(2 reports)

Azle, Texas

Beaumont, Texas

Belton, Texas

Blanket, Texas

Brazoria, Texas

Brownsville, Texas

Bulverde, Texas

Celeste, Texas

Cibolo, Texas

Corpus Christi, Texas

Dallas, Texas(2 reports)

Dickinson, Texas

Fort Worth, Texas(2 reports)

Georgetown, Texas

Harlingen, Texas

Houston, Texas

Humble, Texas

Irving, Texas(2 reports)

Jacksonville, Texas

Katy, Texas

Killeen, Texas

La Marque, Texas

Linden, Texas

Lufkin, Texas

Midland, Texas

Mont Belvieu, Texas

Murchison, Texas

New Braunfels, Texas

Portland, Texas

Rockwall, Texas

San Antonio, Texas(5 reports)

Seagoville, Texas

Spicewood, Texas

Spring, Texas

Sugar Land, Texas

Tyler, Texas

Colonial Heights, Virginia

Hampton, Virginia

show all

Featured Videos

Gardener's Notes:

27
positives
9
neutrals
6
negatives
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A
Caddo Mills, TX (Zone 8b) | June 2020 | positive

We inherited this plant at our previous residence. Luckily, it was bordered by concrete footings and walkways. It invaded the entire pl...Read More

S
New Braunfels, TX | November 2015 | positive

This was one of my first successful plants in the tx hill country, so I was delighted by its generous bloom and loyalty to me. So in appr...Read More

I
I
Long Beach, CA | September 2015 | positive

I planted a small purple one in an enormous pot in our Southern California garden. It has taken off , I've divided it a few times . The f...Read More

C
Columbus, OH | June 2014 | positive

I bought a Ruellia that was braided into a "standard" or topiary shape and it is gorgeous. I'm actually growing it as a marginal aquatic...Read More

H
Lafayette, LA | March 2013 | negative

Zone 9a, Lafayette LA. Invasive and difficult to pull up.

V
Mobile City, TX | August 2012 | positive

My original Mexican petunia has done well in the same spot for 4 years here in Rockwall, Tx without being too invasive. The surrounding r...Read More

M
Florence, SC | July 2012 | negative

Help! I purchased 2 Mex Pet blooming plants last year and left them in pots all summer, wintering them in my garage. I planted them this ...Read More

B
Brownsville, TX | May 2011 | positive

Give this plant plenty of room. If it is not pruned, it can sprawl across a large area and fill everything with beautiful folliage and fl...Read More

O
Hampton, VA | March 2011 | positive

I was given a small rooting from this plant by a friend. I was warned that it could be invasive. I planted it between my house, driveway ...Read More

S
Mesa, AZ | March 2011 | neutral

I have to give this plant a neutral. I think the flowers are beautiful and they do well here in the AZ desert. It got cold here this w...Read More

T
Concord, NC (Zone 7a) | October 2010 | positive

I love this plant, not just for its lush dark green long thin foliage, but because it blooms all Summer and all Fall for me here in rural...Read More

A
Anderson, SC | July 2010 | positive

I think this plant is beautiful, but it does grow fast. I can see where it might be invasive. Hopefully I will not have that problem in...Read More

M
M
Clearwater, FL | July 2010 | neutral

Oh no, did I actually manage to kill this plant?!
I am totally new to gardening. I have my first yard ever here in Clearwater, FL...Read More

P
Walnut, CA | June 2010 | neutral

I just bought the purple one just now and planted it. I live in Walnut, CA (Los Angeles). After being in a dry part of the sandy front ...Read More

P
Melbourne Beach, FL | June 2010 | negative

This atrocity was at my home before I moved in. Invasive indeed. After shoveling up an entire 8 X 10 ft area of it, sifting through the...Read More

P
Noble, OK | December 2009 | positive

I noticed this plant at a local garden center and thought it was just beautiful. I planted 8 of the plants in mid-July and they bloomed ...Read More

J
Patterson, GA | October 2009 | negative

I have 3 plants that I started 5 years ago and still only have 3 plants. For me it does not spread like I wanted it to and as a matter of...Read More

F
F
Baker, LA | May 2009 | positive

I absolutely love this plant--as a matter of fact I have 2 dozen growing in various places in my yard--front, back and sides. They will ...Read More

S
Boca Raton, FL | March 2009 | negative

Added this plant to my landscape about 4 years ago and really regret it. It grows uncontrollably, cut it back and it gets leggy, it grow...Read More

D
Clearwater, FL | October 2008 | positive

This plant spreads very quickly. Though it never gets thick in foliage, always has a roomy/airy look to it.

One feature th...Read More

Z
Z
New Port Richey, FL (Zone 9a) | March 2008 | neutral

Plant this where you want it to totally take over. Gets "singed" here in Titusville Florida from the cold weather and [after cutting back...Read More

M
Jacksonville, NC (Zone 8a) | May 2007 | neutral

I planted the "Mexican Petunia" a couple of years ago in my Jacksonville, NC garden. In full sun it grows to 3' and blooms like crazy, e...Read More

G
Andrews, NC (Zone 6a) | May 2007 | positive

I live in Zone 6b and was very suprised to see this plant emerging this spring. Info states cold hardy to 8b. Didn't mulch or do anythin...Read More

P
P
Aurora, CO | August 2005 | positive

I got mine in Lake Charles, LA where my father has them all over his yard. They are just wonderful to look at. I like how tall they get a...Read More

J
Tyler, TX (Zone 8a) | February 2005 | positive

This plant grows well in Tyler. It just takes care of it self and looks good all summer. It dose not take over the rest of the bed.

T
Moss Point, MS (Zone 8b) | February 2005 | positive

I love this plant. It is pretty and blooms like crazy without any care at all. It performs even in dry sandy soil in full sun.

S
San Antonio, TX | October 2004 | positive

I'm really enjoying my plants. The flowers are a beautiful dark purple. The plant is very low-maintenance. It has done well in dry condit...Read More

L
Spring, TX | September 2004 | negative

This plant grows too well in Houston, Tx. Once established it is even drought tolerant. It spreads everywhere and does not pull up easily.

C
Lafayette, LA | May 2004 | neutral

Hi all, I wanted to know if anyone has heard of being alergic to the Mexican Petunia plant. I had some growing in a seperate garden from...Read More

S
Fort Lauderdale, FL (Zone 10b) | May 2004 | positive

I Love this flower. In South Florida I have noticed them all over the neightborhood. I was lucky enough to have a neighbor who was cuttin...Read More

T
Zolfo Springs, FL (Zone 9a) | March 2004 | neutral

How do you care for the mexican petunia?
Thank you,
Lorraine

W
Denison, TX | December 2003 | positive

I am a proffessional water gardener, we have found it to be an excellent marginal or bog plant for ponds. we can use it on the inside of ...Read More

R
Mermentau, LA (Zone 8b) | November 2003 | neutral

It's a great plant to start with but over time it's quite a pest. A better choice might be some of the other Ruellias which don't have s...Read More

C
New Iberia, LA (Zone 8b) | August 2003 | positive

I love this plant! I also have a pink variety, and it grows very well here, too. I take cutting from my plants and just stick them in the...Read More

M
| August 2003 | positive

I loved mine. I had two purple ones in South Carolina, and now I am back in southern California. I'd like to get a couple to try here.

T
Dickinson, TX | July 2003 | positive

Easy, no care plant, but spreads profusely. I have the taller variety up to 36". Forms seed pods that pop open if not caught in time. Pro...Read More

S
S
Enterprise, FL (Zone 9b) | July 2003 | positive

They are a fantastic, no-care plant! They flower year round here, and will get thicker if you cut them back. I love watching the butterfl...Read More

P
P
Summerville, SC (Zone 8a) | July 2003 | positive

Plant dies in winter and returns in late spring and blooms all summer and early fall. Blossoms die nightly to be replaced by new blossom...Read More

J
J
Jacksonville, NC | July 2003 | positive

In zone 8 it's growing well. I have the tall variety acquired from seed from East Texas, and it is reseeding well so far.

...Read More

M
M
Lufkin, TX | July 2003 | positive

Here in East Texas, I have three varieties of Mexican Petunia: tall, short and trailing. The tall ones are about 36", and do multiply ...Read More

G
Dothan, AL | July 2003 | neutral

This one multiplies like bunnies! Be careful or it will take over anything around it; a beautiful flower though!

D
Columbia, SC (Zone 7b) | May 2003 | positive

Flowering is light dependent. I had better luck with the plant in full sun, even though the plant may wilt. The plant likes generous wa...Read More

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