Salt Lake City Irrigation Schedules

Many homeowners request irrigation schedules to help them program their controllers. Keep in mind that any schedule needs to be adjusted based on the type of irrigation equipment, soil type, slope, plant type and season.

Turf Grass

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
12 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0.5 10 2 25 3 20 2 0 0 1 1 1 0 0
2 0.5 10 2 25 3 20 2 0 0 1 2 2 1 0
3 0.5 10 2 25 3 20 2 0 1 3 3 3 2 1
4 0.5 10 2 25 3 20 2 0 2 4 4 4 3 1

Annuals

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
12 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0.5 10 2 25 3 20 2 0 4 1 1 1 0 0
2 0.5 10 2 25 3 20 2 0 4 1 2 2 1 0
3 0.5 10 2 25 3 20 2 0 4 3 3 3 2 0
4 0.5 10 2 25 3 20 2 0 4 4 4 4 2 1

Perennials

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
12 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 10 4 50 3 40 2 0 0 1 1 1 0 0
2 1 10 4 50 3 40 2 0 0 1 2 2 1 0
3 1 10 4 50 3 40 2 0 1 3 3 3 2 0
4 1 10 4 50 3 40 2 1 2 4 4 4 2 1

Deciduous Shrubs

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
18 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1.5 20 3 60 4 40 3 0 0 1 1 1 0 0
2 1.5 20 3 60 4 40 3 0 0 1 2 2 1 0
3 1.5 20 3 60 4 40 3 0 2 3 3 3 1 0
4 1.5 20 3 60 4 40 3 2 3 4 4 4 2 1

Evergreen Shrubs

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
18 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1.5 20 3 60 4 40 3 0 0 1 1 1 0 1
2 1.5 20 3 60 4 40 3 0 0 1 2 2 1 1
3 1.5 20 3 60 4 40 3 0 2 3 3 3 1 1
4 1.5 20 3 60 4 40 3 2 3 4 4 4 2 1

Deciduous Trees

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
12 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1.5 20 3 60 4 40 3 0 0 1 1 1 0 0
2 1.5 20 3 60 4 40 3 0 0 1 2 2 1 0
3 1.5 20 3 60 4 40 3 0 2 3 3 3 1 0
4 1.5 20 3 60 4 40 3 2 3 4 4 4 2 0

Evergreen Trees

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
12 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1.5 20 3 60 4 40 3 0 0 1 1 1 0 1
2 1.5 20 3 60 4 40 3 0 1 1 2 2 1 1
3 1.5 20 3 60 4 40 3 1 2 3 3 3 1 1
4 1.5 20 3 60 4 40 3 2 3 4 4 4 2 1

Ornamental Grasses

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
12 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 10 4 50 3 40 2 0 0 1 1 1 0 0
2 1 10 4 50 3 40 2 0 0 1 2 2 0 0
3 1 10 4 50 3 40 2 1 1 3 3 3 1 0
4 1 10 4 50 3 40 2 1 2 4 4 4 2 0

Ground Covers and Vines

Assumptions:
75% distribution uniformity (DU)
Clay loam soil (2 inches of water/foot)
Irrigation at 50% depletion
12 inch rooting depth
Frequency corresponds to number of waterings during summer months
Table does not address precipitation events
  Water Sprayhead Rotating Sprayhead Rotor Month
Frequency / Month Inches / Application Minutes / Cycle Cycles Minutes / Cycle Cycles Minutes / Cycle Cycles Apr May Jun Jul Aug Sep Oct
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 10 4 50 3 40 2 0 0 1 1 1 0 0
2 1 10 4 50 3 40 2 0 0 1 2 2 0 0
3 1 10 4 50 3 40 2 0 1 3 3 3 1 0
4 1 10 4 50 3 40 2 0 2 4 4 4 2 0