Converting healthy turf grass to native plant beds can produce major water savings by reducing or eliminating the need for extra watering. Residential customers may receive $35 for every 100 sq.ft. (minimum 500 sq. ft.) converted from healthy turf grass to native plant beds with a maximum rebate of $1,750. Austin Water accepts applications twice a year: December 1 – March 31 for spring installations and June 1 – September 30 for fall installations.