Scottsdale, Ariz., planted a 5-acre xeriscape garden to inspire city residents to embrace water-wise landscaping. "It gives you an opportunity to see plants as they're developing, so that you can make good decisions about what you want to have and what you don't want to have," said Bill Casenhiser, a Scottsdale water-conservation specialist. The garden's plants in bloom for fall include sage, lantana and bird of paradise.

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