Photo: Joanne Celinski, plants.ces.ncsu.edu
Euphorbia cyathophora
Euphorbia cyathophora
Known as Fire On The Mountain, this annual herb has green stems, lobed leaves and vivid red markings near its flowers.
Plant profile updated August 20, 2026
Quick Facts
Identification
How to Grow Fire On The Mountain
Light
Provide at least six hours of direct sun for strong growth and color.
Water
Water thoroughly, then allow the soil to dry before watering again.
Soil
Use well-drained sandy soil. Established plants tolerate loam and some clay.
Temperature
Protect from frost and grow as an annual in colder climates.
Garden Use
Allow room for self-seeding and remove unwanted seedlings before they mature.
Wildlife
The flowers can attract pollinating insects.
Propagation
Seeds
- Collect mature seed capsules before they scatter.
- Sow in a loose, well-draining medium.
- Keep lightly moist until seedlings establish.
Stem Cuttings
- Wear gloves and cut a healthy stem.
- Let the cut surface dry.
- Plant in well-draining soil.
Scientific Classification
| Kingdom | Plantae |
|---|---|
| Order | Malpighiales |
| Family | Euphorbiaceae |
| Genus | Euphorbia |
| Species | Euphorbia cyathophora |
Toxicity: The milky sap can irritate skin and eyes and is toxic if ingested. Wear gloves, prevent contact with the face and keep the plant away from children and animals.
Sources and Image Attribution
Primary image by Joanne Celinski via NC State Extension.
