Pasadena residents may water their yards, landscaping and garden with sprinklers once a week.

Pasadena implemented stage 2 of its water conservation plan on Thursday.

Residents with even-number addresses may water their yards and wash their vehicles from 7 p.m. Tuesday through 8 a.m. Wednesday. Residents with odd-numbered addresses may do the same from 7 p.m. Wednesday through 8 a.m. Thursday.