Desert Bloom

Published February 8, 2005 at 5:00 AM PST

Every week one our desert gardeners--today Dr Angela O'Callaghan--provides expert advice on making your desert garden bloom, taking you to some of their favorite landscapes and introducing you to horticultural experts. Today: if weeds are just plants in the wrong place, what do you call a plant that's adapted to a home it wasn't intended for?

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