Southwestern Pricklypoppy (Argemone Pleiacantha) is a perennial herb in the Papaveraceae family with moderate care difficulty. It requires low watering and full sun light in USDA hardiness zones 7-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

Argemone pleiacantha, known as the Southwestern Pricklypoppy, is a rare perennial plant native to the southwestern United States, particularly Arizona and New Mexico.

Southwestern Pricklypoppy

Southwestern Pricklypoppy

Argemone Pleiacantha

Argemone pleiacantha, known as the Southwestern Pricklypoppy, is a rare perennial plant native to the southwestern United States, particularly Arizona and New Mexico.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Low
Light
Full Sun
Hardiness Zones
7-10

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:sandy, rocky, loamy
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator attractor, ornamental

Care Calendar

Monthly care tasks for Southwestern Pricklypoppy

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Southwestern Pricklypoppy
Southwestern Pricklypoppy detail

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Taxonomy

Family:Papaveraceae
Genus:Argemone