Tread-softly, Finger-rot, 7-minute-itch
Cnidoscolus stimulosus
Euphorbiaceae


Landscape Uses:

Primarily recommended for natural landscapes and habitat restorations.

Ecological Restoration Notes:

A common undestory herb in a wide variety of open uplands.
Availability:
Grown by enthusiasts.
Description:
Small herbaceous wildflower.
Height:
Typically 4-12 inches in height. Sometimes as broad as tall and sometimes taller than broad.
Growth Rate:
Moderate.
Range:
Eastern and southern United States west to Louisiana and south to the Monroe County Keys. In the Monroe County Keys, disjunct from Miami-Dade County to the pine rocklands of Big Pine Key.
Habitats:
Pinelands and coastal uplands.
Soils:
Moist to dry, well-drained sandy or limestone soils, without humus.
Nutritional Requirements:
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
Low; does not tolerate long-term flooding by salt or brackish water.
Salt Wind Tolerance:
High; can tolerate moderate amounts of salt wind without injury.
Drought Tolerance:
High; does not require any supplemental water once established.
Light Requirements:
Full sun.
Flower Color:
White.
Flower Characteristics:
Semi-showy.
Flowering Season:
All year; peak summer-fall.
Fruit:
Inconspicuous capsule.
Wildlife and Ecology:
Horticultural Notes:
Comments:
The entire plant is covered with stinging hairs, thus the common name "tread-softly."


George D. Gann
in habitat, Miami-Dade County, Florida, 2013
Roger L. Hammer
George D. Gann
Shirley Denton
Shirley Denton
Shirley Denton
Shirley Denton