Tilt-up on desert Fairy Dusters on a hillside in the McDowell Sonoran Conservatory, Scottsdale, Arizona

calliandra eriophylla heavyleaved calliandra shrub mesquitilla puff flowers primary pollinators sonoran desert blossoms false mesquite wildflowers blooms desert habitat southwestern usa leaves xeriscape wildflower spring mcdowell sonoran conservatory fairy duster bees arizona desert native nectar springtime arid pink buds environment ecology wind environmental fairy dusters drought resistant breeze lowwater use sway feathery landscape hillside scottsdale desert fluffy sustainable soft tiltup reduced water wash food efficient water use