The White Prickly Poppy is a perennial plant in the poppy family that has prickly leaves and white flowers. It grows up to 2 feet tall.  Tolerant of drought and sandy soils. It is grown as an annual in temperate regions. All parts of the plant are toxic. Hardy in zones 8-12.
Growing Instructions for the White Prickly Poppy
The seeds can be sown on the ground and then watered. They will germinate in 2 weeks. 1. Prepare a mixture of half potting soil and half sand, perlite or vermiculite. Water the mixture so that it is moist but not wet. 2. Put the seeds on the soil. 3. Water the seeds. 4. Place the pots in an area with warm temperatures in full sun or part shade. 5. When the seedlings are a few inches tall, they can be transplanted.