Landscape shrubs & palms: Water for 20-30 minutes every day for the first 30 days.
After first 30 days, cut back to 30 minutes per day 2 times a week for next 2 weeks.
From there on out, watering once or twice (*depending on season) a week for 30 minutes is recommended.

Trees: Water for 20-30 minutes every day for the first 45 days. After first 45 days, cut back to 30 minutes per day 2 x a week for next 2 weeks.
From there on out, watering twice (*depending on the season) a week for 30 minutes is recommended for the next full year.