Native to central and North America. Prickly-leafed and prickly-stemmed plants to 3 ft. tall and 1 1/2 ft. wide, with large, showy poppies that bloom mainly in summer. Easy to grow from seeds sown in place or in containers (transplant gently). Will reseed and colonize. Provide good drainage. Seed specialists may offer other species.Argemone polyanthemos
Annual or biennial. Western native with white, 2 1/2–4-in. flowers.
Biennial or short-lived perennial. From southern Europe and northwestern Africa. Soft, scallop-edged, ...
From southern Arizona and northern Mexico. Grows to 1 1/2–2 1/2 ft. tall and 1 1/2 ft. wide, wit...
From the southeastern U.S. Most of these elegant but tough plants, which resemble small shrubs, grow 2...