Argemone mexicana

yellow prickly-poppy


wildlife plant

Use this link to get more info about this plant from the USF Institute for Systematic Botany

Plant Specifics

Form: flower
Life Span: annual
Size: Height: to 3 ft    Width: 1 ft
Flower Color: flower color      yellow
Fruit Color: fruit color      green
Noted for: Showy flowers, thorns


Recommended Uses: Wildflower garden. Roadside wildflower areas. This plant blooms from late winter into spring displaying its large flowers when little else is blooming in the garden.
Considerations: Sharp thorn-like prickles cover most of the plant. Highly toxic.
Propagation: Seed can easily be gathered where this plant grows along roadsides. Throw it in open areas in the wildflower garden and expect it to self-seed in future years.
Availability: Seed
Light: light requirement  
Moisture Tolerance:
Salt Tolerance: Not salt tolerant
Soil or other substrate: Sand
Soil pH Range: Circum-neutral to calcareous.


wildlife plant  
Attracts various pollinators.
Native Habitats: Ruderal areas. Common on dry roadsides.

Distribution and Planting Zones

Natural Range in Florida

USDA Zones:

USDA zones are based on minimum winter temperatures

Suitable to grow in:

Other Comments:

This is one of Florida's most showy and most under-appreciated wildflowers. Look for it along disturbed roadsides in mid-late winter and early spring.