Mexican Petunia (Ruellia simplex 'Purple Showers')

Botanical names:
Ruellia simplex Accepted
Ruellia brittoniana Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun to Partial Shade
Minimum cold hardiness: Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F)
Maximum recommended zone: Zone 11
Plant Height: 3-4 feet
Plant Spread: 4 feet
Fruit: Edible to birds
Flowers: Showy
Flower Color: Purple
Flower Time: Spring
Late spring or early summer
Late summer or early fall
Suitable Locations: Xeriscapic
Uses: Erosion control
Will Naturalize
Wildlife Attractant: Bees
Propagation: Seeds: Other info: This is a cultivar of Ruellia brittoniana. Prolific seeds wil not necessarily come true.
Propagation: Other methods: Division


Photo gallery:
Location: AZDate: Spring
By cocoajuno
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Location: Temple, TexasDate: 2019-09-234+ y.o. specimens get sun half the day.
By Peggy8b
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Location: Temple, TexasDate: 2019-09-23Light bloomers as plants only get sun half the day.  With brick p
By Peggy8b
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Location: Middle TennesseeDate: 7/15/2011Flowers open early in the morning and drop by evening
By SongofJoy
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Location: My yard in Arlington, Texas.Date: Spring 2010This plants are very hardy and drought tolerant.
By frostweed
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Location: AZDate: SpringThis is 2 shrubs side by side, it makes a great small shrub.
By cocoajuno
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Location: Chicago Botanic GardenDate: 2018-09-01
By jmorth
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Location: Chicago Botanic GardenDate: 2018-09-01
By jmorth
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 Photo Courtesy of Select Seeds. Used with permission.
By Joy
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This plant is tagged in:

Posted by SongofJoy (Clarksville, TN - Zone 6b) on Nov 3, 2012 4:45 AM

This plant does well in my zone 7a garden with some protection. It dies to the ground in the winter but reemerges just fine in the Spring. It grows in the partial shade of a taller rose bush and thrives. It has not yet proven to be invasive here.

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Posted by quietyard (Tucson, Arizona) on Oct 20, 2016 3:53 PM

This plant can become very invasive. It has for me, popping up in numerous potted plants. It has a very tough root that is hard to pull out once it gets going. However, it is a pretty plant. Just be sure you want a lot of them because they will spread all over.

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Posted by tabbycat (Youngsville, LA - Zone 9b) on Jul 19, 2018 12:12 PM

I've grown these perennials for many years. As always, it's mid July and here come the flowers. Because they die back to the ground each winter even here in zone 9, they return and grow from April till July to be a two to 3 foot plant before starting to flower. I have the tall purple and the pink, which are so pretty in a mixed bed. I had them take over one year and it took 3 years to manage them again through pulling, cutting immature seeds, and even "Round-Uping" them. It's a shame they overpopulate because otherwise they are disease and bug proof beauties that attract bees, butterflies and hummingbirds.

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Plant Events from our members
MunchkinsMom On May 30, 2016 Bloomed
Has several blooms, but oddly, it's spreading, rather than growing tall.
MunchkinsMom On April 3, 2016 Transplanted
Bog area, behind rock
MunchkinsMom On March 15, 2016 Plant emerged
MunchkinsMom On November 23, 2015 Entered Dormancy
MunchkinsMom On October 24, 2015 Obtained plant
Sue Golden, Golden Pond, 1 gallon about 5' tall
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
What is blooming for you right now? by Iluvtobake Jul 8, 2020 12:11 AM 1,426
What Plants Are You Going To Grow For 2018? by Marilyn Aug 28, 2018 3:26 PM 52
My gardening flower nightmare by Freedombelle Feb 1, 2015 5:36 PM 43
plant id by lisam0313 Jun 24, 2014 2:21 PM 12
Western Himalayan Flora. by KAMasud Dec 13, 2012 3:14 AM 35
Ruellia brittoniana by krancmm May 14, 2012 7:28 PM 2

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