Ruellia caroliniensis

Carolina wildpetunia, wild petunia


wildlife plant

FNPS provides this link to assist users in finding sources for native plants. In doing so, FNPS is not attesting to the accuracy of any information on the FANN webite. Some members of FANN may provide services that do not further the FNPS mission, and this link should not be considered to be an endorsement of any specific nursery, services that it provides that do not support the FNPS mission, or the quality of its products or services.

Use this link to get more info about this plant from the USF Institute for Systematic Botany

Plant Specifics

Form: flower
Life Span: short-lived perennial
Size: Height: 1.0 to 2.5 ft    Width: .75 to 2.0 ft
Flower Color: flower color   flower color      blue,lavender
Fruit Color: fruit color   fruit color      green,brown
Phenology: winter dormant
Noted for: Showy flowers


Recommended Uses: Groundcover along with other low-growing wildflowers.
Propagation: Seed capsules are mature and ready to be collected about two months after the flower withers and the capsule turns brown. These pods will eventually open on their own and self-seed, so it is best to bag the seed pods when they first turn brown. Seeds must be cold stratified to insure germination. Carolina Wild Petunia can also be propagated by summer cuttings and propagation by division once the plant is a couple of years old.
Availability: Native nurseries, FNPS plant sales, Seed
Light: light requirement   light requirement   light requirement  
Moisture Tolerance:
Salt Tolerance: Moderately salt tolerant
Soil or other substrate: Sand
Soil pH Range: 7.9 to 8.5


wildlife plant  
Carolina Wild Petunia is host plant for the larva of the Common Buckeye (Junonia coenia), and White Peacock (Anartia jatrophae), butterflies. Also attracts many other pollinators.
Native Habitats: Dry mesic hammocks, flatwoods, sandhill, disturbed areas.

Distribution and Planting Zones

Natural Range in Florida

USDA Zones:

USDA zones are based on minimum winter temperatures

Suitable to grow in:

Other Comments:

Wild petunia's flower only last for a day, but they have a very long flowering period, starting in early spring and going strong through the fall. Please use this Florida native instead of its widely-sold relative, the invasive Mexican petunia.