Prickly Poppy - Argemone Polyanthemos
This perennial has blue green spiny leaves and large white flowers. It is extremely drought tolerant. This is an Eastern Plains species that was introduced to the Western Slope possibly by the highway.
- Height: 2 to 4 feet
- Mature Spread: 1 to 2 feet
- Flower Color: White
- Hardiness: Zone 4
- Full Sun
- Very Dry