Watering Guide
Irrigation Application Guide for Avocado/Citrus

Average water requirement - Gallons per tree per day
Based on 20x20 spacing
These values are net water needs. Add water for inefficiencies and leaching.
These values are based on long-term water use. Actual use values may be
higher or lower for early or late seasons or for unusually hot periods.

Net Gallons per tree per day = Tree canopy area (square feet) x monthly values for 8 year old trees
                                                                        400 square feet


Information provided by U.S. Dept of Agriculture, Soil Conservation Service, 1523 E. Valley Pkwy, St
201, Escondido, CA 92027, Ph. 760-745-2061
Tree
Age>


Month
 1
 2
 3
 4
 5
 6
 7
 8
 Cons-
umptive
daily
water use
Jan
 1/2
 2/3
 3/5
 6/4
 5/8
 6/9
 7/10
 8/12
 .03/.04
Feb
 1/2
 2/3
 3/5
 4/6
 5/8
 6/9
 7/10
 8/12
 .03/.05
Mar
 2/2
 4/5
 6/8
 8/9
 15/11
 12/14
 14/16
 16/18
 .06/.07
Apr
 3/3
 6/6
 9/9
 12/11
 15/14
 18/17
 21/20
 24/22
 .09/.09
May
 4/4
 8/7
 12/11
 15/14
 19/18
 22/21
 26/25
 30/28
 .12/.11
Jun
 5/4
 10/8
 14/12
 19/16
 24/20
 28/24
 33/28
 38/32
 .15/.13
July
 6/5
 12/10
 17/15
 23/20
 29/25
 34/30
 40/35
 46/40
 .17/.16
Aug
 5/5
 10/9
 15/14
 20/19
 25/24
 30/29
 35/34
 40/38
 .15/.15
Sep
 4/4
 7/8
 11/12
 14/16
 18/20
 21/24
 24/28
 28/32
 .11/.13
Oct
 2/3
 5/6
 7/9
 9/11
 11/14
 14/17
 16/20
 18/22
 .07/.09
Nov
 1/2
 3/3
 4/5
 5/7
 6/9
 8/10
 9/12
 10/14
 .04/.06
Dec
 1/2
 2/3
 3/5
 4/6
 5/8
 6/9
 7/10
 8/12
 .03/.05