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Purple Showers Mexican Petunia - Ruellia

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Purple Showers Mexican Petunia 
Ruellia simplex 'Purple Showers'

USDA Plant Hardiness Zones: 8a-11  Find Your Zone

Note:  For our customers who live and garden north of USDA Plant Hardiness Zone 8a, where this Mexican Petunia variety is not reliably winter hardy outdoors, you can enjoy growing it in containers that can be moved indoors during winter and placed back outside when temperatures warm up in spring.



Special Attributes

'Purple Showers' Mexican Petunia is a very versatile and easy-to-grow hardy perennial in USDA Zones 8a-11. In zones north of 8a it can be grown as an annual in flower beds or in containers that can be overwintered indoors. The plant forms attractive clumps of erect, deep purplish stems that are clothed in dark-green, willow-like leaves tinged in purple. Petunia-like, 2" purple flowers are produced in abundance from late spring through fall - year round in zones where it remains evergreen. It's not really a petunia, but just as with petunias, butterflies and hummingbirds will flock to the flowers!




Landscape & Garden Uses

Mexican Petunia will grow almost anywhere. We've grown it successfully in drier garden beds and also in pots submerged in the garden pond, and it thrives the same. Where it is perennial in USDA Zones: 8a-11 it makes for a nice vertical accent in the landscape or perennial garden. Since it tolerates moist conditions, it's the perfect choice for low spots in the landscape that stay moist to wet. It also makes a nice centerpiece or background in large pots and flower beds. A fine addition to butterfly gardens, bog gardens, perennial gardens, cottage gardens, and purple color theme gardens.

Suggested Spacing:  36" for hedges or mass plantings;  8' or more for space between plants





Cultural Preferences

Purple Showers Mexican Petunia is exceptionally easy to grow and care for. It grows best in a consistently moist to wet soil of average fertility. As mentioned, we grow one in a pot at the margins of our garden pond. It is also quite drought tolerant when established, though flowering will be diminished until water is provided or rainfall resumes. We've grown it in full sun to part shade and it does equally as well. Too much shade though and flowering will be diminished. At least 4 hours of direct sunlight per day is suggested for best flowering. 

Note:  Find helpful advice from our experts under the Planting & Care tabs above on desktop monitors and below on mobile devices.




Plant Details

USDA Plant Hardiness Zones: 8a-11  Find Your Zone
Plant Type:  Perennial, Annual in zones north of 8a
Height at Maturity:  36-48"
Width at Maturity:  24"+
Spacing:  36" for hedges or mass plantings;  8' or more for space between plants
Growth Habit / Form:  Upright
Growth Rate:  Fast
Flower Color:  Purple
Flower Size:  2" 
Flowering Period:  Late Spring to Frost
Flower Type:  Single
Fragrant Flowers:  No
Foliage Color:  Deep Green
Fragrant Foliage:  No
Berries:  No
Berry Color:  No
Sun Needs:  Full Sun to Part Shade
Water Needs:  Average
Soil Type:  Clay (amended), Loam, Sand (amended), Silt 
Soil Moisture / Drainage:  Well-drained moist to Wet
Soil pH:  6.0 - 8.0 (Moderately Acid to Slightly Alkaline)
Maintenance / Care:  Low
Attracts:  Visual Attention, Butterflies, Hummingbirds
Resistances:  Disease, Drought, Dry Soil, Heat, Humidity, Insect, Rabbit, Wet Soil



Plant Long & Prosper!

Questions? Contact Us!


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