Ruellia simplex (Mexican petunia) - Image 18

Botanical names: Ruellia simplex, Ruellia brittoniana

Common names: Mexican petunia, Mexican Blue Bell

Family: Acanthaceae

Origin: Mexico

USDA Plant Hardiness MapGroundcover and low-growing 2ft plantSmall plant 2-5 ftFull sunWater Requirement: Low. Allow soil to dry out between wateringsWatering: Moderate. Water when top soil feels dryBlue, lavender, purple flowersWhite, off-white flowersPink flowersPlant attracts butterflies, hummingbirdsSubtropical plant. Mature plant cold hardy at least to 30s F for a short time
Ruellia simplex (Mexican petunia) purple flower close up with thin green leaves behind petals.
Ruellia simplex (Mexican petunia) purple flower petals sit against narrow green leaves and white fence.


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