Though some include the word “weed” in their common name, the plants listed here are anything but weeds—they’re showy, easy-to-grow garden plants. All bloom in summer, typically bearing many small, starlike flowers in broad, flattened clusters at or near the branch tips. Their inflated seedpods split open to reveal silky seeds and milky sap. Their nectar attracts butterflies.
Native to western and central North America. This striking perennial grows 2–4 ft. tall and not quite as wide; may spread by underground stems to form colonies. Thick, upright stems hold big, softly hairy leaves of gray; summer flowers are 3-in.-wide balls of fragrant, purplish pink. Long winter dormancy; new shoots may not appear until midspring. Needs only occasional water once established.
The most widely grown irises fall into the bearded group. More than a century of breeding has produced...
Mostly native to the Mediterranean region, these mounding plants brighten spring borders and rock gard...
Native to desert Southwest and mountains. Grows 4 ft. tall and half as wide, with slender, spreading b...