PlantFun
Plant Needs
Characteristics
- Leaves: Alternate, narrow, linear to lanceolate, bluish-green, 2-8 cm long, exuding milky white sap when broken;
- Flowers: Inconspicuous true flowers surrounded by showy, paired, heart-shaped, yellowish-green bracts arranged in umbels;
- Stems: Erect, smooth, branching near the top, containing copious amounts of white latex;
- Roots: Extensive, deep, creeping root system with distinctive pinkish buds, capable of reaching depths of over 4 meters.
Care Guide
Water only during prolonged severe drought if cultivated (not recommended).
None required.. As an aggressive invasive species, it requires no fertilization and thrives in nutrient-poor soils.
Coffee Ground Compost：If grown in a controlled botanical setting, mix used coffee grounds into the soil to add organic matter; avoid applying too thickly to prevent mold.- WARNING: Always wear heavy gloves, long sleeves, and eye protection when handling to avoid contact with toxic sap;
- Mowing or cutting top growth will not eradicate the plant due to its deep root reserves;
- Bag and dispose of all plant material in the trash; do not compost, as root fragments and seeds can easily spread;
- Chemical control or introduced biological controls (like flea beetles) are typically required for management.
Toxicity
Warning: this plant may be toxic.
Pets: Highly toxic per ASPCA. Ingestion causes vomiting, diarrhea, and severe irritation of the mouth and gastrointestinal tract. Dermal contact with sap causes severe blistering and ocular injury.
Humans: The milky sap (latex) contains ingenol esters, which are highly caustic and can cause severe skin blistering, dermatitis, and permanent eye damage or blindness upon contact. Ingestion causes severe gastrointestinal distress.
Garden Uses & Culture
Culture: In Western agriculture, Leafy spurge is infamous as a noxious weed that ruins grazing lands, as cattle and horses avoid it due to its toxicity, leading to significant economic losses.
Usage: Historically used in some European folk medicines as a harsh purgative, a practice now abandoned due to its severe toxicity. Currently, it is primarily a subject of invasive species management and biological control research.