Argemone
Papaveraceae
Annuals
Native to central and North America. Prickly-leafed and prickly-stemmed plants to 3 ft. tall, 1 1/2 ft. wide, with large, showy poppies that bloom mainly in summer. Easy to grow from seeds sown in place or in pots (transplant gently). Will reseed and colonize. Provide good drainage. Seed specialists may offer other species.
Native to West Indies and probably Central America and Florida; naturalized in the Southwest and Hawaii. Yellow to orange,1 1/2 to 2 1/2-in. flowers. ‘Yellow Lustre’ grows 1 1/2 to 2 ft. tall, has lemony orange blooms.
Western native with white, 2 1/2–4-in. flowers.
Fallopia
The plants described here were formerly listed as Polygonum. These vines offer showy flowers,...
ECHIUM
Grown for striking form and flower clusters. All do well in dry, poor soil but need good drainage. All...
Arundo donax
Native to the Mediterranean region. Once valued for its bold effect in garden fringes and near water a...
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