Watering Guide

Use this guide to find out the general amount of water needed for various types of landscaping. Times may vary depending on soil and other conditions. Adjust your irrigation system each month to reflect watering needs. When it rains, please turn off your sprinklers for at least 48 hours! 

Efficient Watering Guide

Table showing recommended watering amounts and frequencies by month for water-efficient shrubs, water-efficient trees, non-desert trees, and grass irrigation (spray and rotor systems).

Efficient Watering Guide (monthly recommendations)

Month Water-efficient shrubs Water-efficient trees Non-desert trees Grass
January Amount: 0.7 gal/day
Frequency: 2 days/week		 Amount: 14 gal/day
Frequency: 2 days/week		 Amount: 45 gal/day
Frequency: 2 days/week
Spray system: 3 min/day; 7 days/week
Rotor system: 7 min/day; 7 days/week
February Amount: 0.9 gal/day
Frequency: 3 days/week		 Amount: 21 gal/day
Frequency: 3 days/week		 Amount: 56 gal/day
Frequency: 3 days/week
Spray system: 5 min/day; 7 days/week
Rotor system: 13 min/day; 7 days/week
March Amount: 0.9 gal/day
Frequency: 4 days/week		 Amount: 16 gal/day
Frequency: 4 days/week		 Amount: 53 gal/day
Frequency: 4 days/week
Spray system: 7 min/day; 7 days/week
Rotor system: 18 min/day; 7 days/week
April Amount: 1 gal/day
Frequency: 5 days/week		 Amount: 17 gal/day
Frequency: 5 days/week		 Amount: 59 gal/day
Frequency: 5 days/week
Spray system: 10 min/day; 7 days/week
Rotor system: 22 min/day; 7 days/week
May Amount: 0.9 gal/day
Frequency: 6 days/week		 Amount: 18 gal/day
Frequency: 6 days/week		 Amount: 60 gal/day
Frequency: 6 days/week
Spray system: 12 min/day; 7 days/week
Rotor system: 27 min/day; 7 days/week
June Amount: 0.9 gal/day
Frequency: 7 days/week		 Amount: 18 gal/day
Frequency: 7 days/week		 Amount: 59 gal/day
Frequency: 7 days/week
Spray system: 14 min/day; 7 days/week
Rotor system: 30 min/day; 7 days/week
July Amount: 0.9 gal/day
Frequency: 7 days/week		 Amount: 18 gal/day
Frequency: 7 days/week		 Amount: 59 gal/day
Frequency: 7 days/week
Spray system: 13 min/day; 7 days/week
Rotor system: 30 min/day; 7 days/week
August Amount: 0.9 gal/day
Frequency: 6 days/week		 Amount: 17 gal/day
Frequency: 6 days/week		 Amount: 57 gal/day
Frequency: 6 days/week
Spray system: 12 min/day; 7 days/week
Rotor system: 27 min/day; 7 days/week
September Amount: 1 gal/day
Frequency: 5 days/week		 Amount: 18 gal/day
Frequency: 5 days/week		 Amount: 63 gal/day
Frequency: 5 days/week
Spray system: 10 min/day; 7 days/week
Rotor system: 22 min/day; 7 days/week
October Amount: 0.9 gal/day
Frequency: 4 days/week		 Amount: 16 gal/day
Frequency: 4 days/week		 Amount: 52 gal/day
Frequency: 4 days/week
Spray system: 7 min/day; 7 days/week
Rotor system: 14 min/day; 7 days/week
November Amount: 0.7 gal/day
Frequency: 3 days/week		 Amount: 14 gal/day
Frequency: 3 days/week		 Amount: 44 gal/day
Frequency: 3 days/week
Spray system: 4 min/day; 7 days/week
Rotor system: 10 min/day; 7 days/week
December Amount: 0.7 gal/day
Frequency: 2 days/week		 Amount: 14 gal/day
Frequency: 2 days/week		 Amount: 42 gal/day
Frequency: 2 days/week
Spray system: 3 min/day; 7 days/week
Rotor system: 6 min/day; 7 days/week