Mexican pricklypoppy (Argemone mexicana) is a native Florida landscape weed. Young plants are often mistaken for thistles due to their prickly and toothed leaves. When broken, plants exude a yellowish-milky sap.
- Scientific Name: Argemone mexicana
- Common Name: Mexican pricklypoppy; Goatweed; Mexican thistle; Yellow Thistle; Prickly Poppy
- Seasonality: Warm
- Soil Type: Dry
- Toxicity: Toxic to livestock, people, and pets
- Plant Habitat: Annual
- Mexican Prickly Poppy: Biology and Control