Wild petunia

Ruellia humilis

Pet & Human Safety

People: No hazard foundPets: Not on the ASPCA lists as we read them

Hazardous parts

Not yet checked.

Preparation

Not applicable; this is an ornamental plant.

Hazard type

Not yet checked.

Hazard route

none named by the sources used

How complete this information is

The safety information on this page is partial. Where a source covers a point, it is shown; where none does, the page says so.

Toxic to pets

No ASPCA entry found.

PlotAndPetal cannot tell you whether a plant you found can be eaten. Only someone who can see the plant can identify it.

Poison control

If someone has collapsed, cannot be woken, is having a seizure or has trouble breathing, call 911 now. For any other possible poisoning, call Poison Help: 1-800-222-1222.

Emergency number source: U.S. federal law (47 U.S.C. § 251(e)(3)), read 2026-10-07.

Naturalist Lore

Historical Background & Breeding Lore

The history of this plant and its name, and how it was bred, where we have them.

Get the app: coming soon

Care

Hardiness zones: Not checked yet
Light: Full sun (Tennessee Smart Yards, University of Tennessee).
Water needs: low
Mature size: Usually no more than one foot tall (Illinois DNR); about 1 foot (Tennessee Smart Yards, University of Tennessee); 1 to 2 feet (Nebraska NebGuide G1074).

Soil & Drainage

Pruning & Flush Rhythm

Feeding Schedule

How to prepare the soil, when and what to feed, and how and when to prune where that applies.

Get the app: coming soon