How Should I Program My Sprinkler Controller for Urbandale’s Even-and-Odd Watering Schedule?

Program your sprinkler controller according to the last digit of your street address. Even-numbered addresses should use Sunday, Wednesday, and Friday; odd-numbered addresses should use Tuesday, Thursday, and Saturday; Monday should remain off. Set the system to run before 10:00 a.m. or after 5:00 p.m., with early morning generally being the best choice for lawn irrigation.

The assigned schedule determines which days your sprinkler system may run, but it does not mean every lawn needs irrigation on every available day. Rainfall, soil moisture, sun exposure, sprinkler output, and turf condition should determine whether the controller completes or skips a scheduled cycle.

How Do I Choose the Correct Watering Days?

Use the final digit of the property’s street address to determine which watering program belongs in the controller. The number refers to the address, not the day’s calendar date.

Program the controller as follows:

• Address ends in 0, 2, 4, 6, or 8: Select Sunday, Wednesday, and Friday.

• Address ends in 1, 3, 5, 7, or 9: Select Tuesday, Thursday, and Saturday.

• Monday: Leave routine lawn watering turned off.

For example, a property with an address ending in 4 would use the even-address schedule. A property with an address ending in 7 would use the odd-address schedule.

The selected days are available for watering; there is no requirement to irrigate three times a week. A rain sensor, a soil moisture check, or a manual rain delay can prevent unnecessary watering when the lawn has already received enough moisture.

What Time Should I Set My Sprinkler Controller to Start?

Set the controller for early morning so the complete irrigation program finishes before 10:00 a.m. Early-morning watering usually limits evaporation, reduces wind-related spray drift, and gives the grass surface time to dry during the day.

A start time between approximately 4:00 a.m. and 7:00 a.m. may work for many properties, but the correct setting depends on the number of zones and the total program length. A large system may need to start earlier so the final zone finishes on time.

When selecting a start time, consider:

• Total number of zones: More zones require a longer watering window.

• Runtime per zone: A program with long runtimes must begin earlier.

• Multiple start times: Cycle-and-soak programming may restart the program two or more times.

• Water pressure: Running irrigation when household demand is lower may support more consistent sprinkler performance.

• Wind conditions: Early morning is often calmer than the afternoon.

• Grass drying time: Morning watering allows moisture on the blades to dry after sunrise.

Although watering after 5:00 p.m. fits the schedule, avoid programming the lawn so late that it remains wet throughout the night whenever an early-morning cycle is practical.

How Do I Program the Controller Step by Step?

Controller menus vary by manufacturer, but most systems use similar settings for the clock, start time, watering days, zone runtimes, and seasonal adjustments.

Use this simple process.

1. Confirm the date and time.

Make sure the controller displays the correct current date, time, and day of the week. A power interruption or weak backup battery can cause some controllers to lose their settings.

2. Select the lawn irrigation program.

Use a separate program, such as Program A, for lawn sprinkler zones. Keeping lawn zones separate from landscape-bed or drip zones makes the schedule easier to manage.

3. Choose the correct days.

Select Sunday, Wednesday, and Friday for an even-numbered address. Select Tuesday, Thursday, and Saturday for an odd-numbered address. Confirm that Monday is not selected.

4. Set one early-morning start time.

Choose a start time that ensures every lawn zone finishes before 10:00 a.m. Be careful not to enter multiple start times accidentally, as each start time may rerun the entire program.

5. Enter the runtime for each zone.

Set each zone according to sprinkler type, sun exposure, soil absorption, slope, and lawn condition. Do not assume every zone needs the same runtime.

6. Use cycle-and-soak where needed.

If water runs onto sidewalks or collects in low areas, divide the total runtime into shorter cycles. Allow the water to soak into the soil between cycles before the controller starts again.

7. Enable the rain sensor or weather adjustment.

Confirm that the rain sensor is active and not bypassed. A compatible weather-based controller can also reduce or skip watering after rainfall.

8. Review the seasonal-adjustment percentage.

Seasonal adjustment changes all zone runtimes without requiring each one to be reprogrammed. Make sure it is appropriate for current lawn and weather conditions.

9. Run a manual system test.

Operate each zone briefly and watch for broken heads, blocked spray, leaks, low pressure, overspray, and areas receiving too much or too little water.

10. Save and recheck the settings.

Review the selected days, start times, runtimes, rain-sensor status, and current time before returning the controller to automatic mode.

Large image or graphic: “Urbandale Even-and-Odd Sprinkler Controller Setup” showing the address schedule, Monday shutoff, early-morning start time, zone runtimes, cycle-and-soak settings, and rain-sensor control.

Caption: A properly programmed controller follows the address-based schedule while adjusting runtimes for the lawn, sprinkler system, rainfall, and property conditions.

How Long Should Each Sprinkler Zone Run?

There is no single correct number of minutes for every sprinkler zone. Runtime depends on how quickly the sprinkler heads apply water and how effectively the soil absorbs it.

Important runtime factors include:

• Sprinkler-head type: Spray heads, rotary nozzles, and gear-driven rotors apply water at different rates.

• Zone coverage: Poorly aligned or blocked heads may leave dry areas even when runtime is increased.

• Sun exposure: Full-sun lawn areas may dry faster than shaded zones.

• Slope: Water can run downhill before it reaches the root zone.

• Soil absorption: Compacted or slow-draining soil may require shorter cycles with soak periods.

• Grass condition: Healthy established turf and newly repaired lawn areas may have different needs.

• Tree competition: Tree roots can compete with grass for available soil moisture.

• Recent rainfall: A scheduled irrigation cycle may not be needed after sufficient rain.

• Seasonal temperature: The lawn may need less irrigation during cooler periods than during prolonged summer heat.

• Head spacing and pressure: Uneven pressure or incorrect spacing can produce dry and oversaturated sections within the same zone.

The goal is to apply enough water to support the lawn’s root zone without creating runoff, pooling, or constantly wet soil. Increasing every zone by the same number of minutes rarely corrects an uneven system.

Should I Use Multiple Start Times?

Most controllers need only one start time unless the system is intentionally using cycle-and-soak programming. A common programming mistake is entering several start times and unintentionally running every zone several times on the same day.

Use multiple start times only when:

• The soil absorbs water slowly.

• The lawn is located on a slope.

• Water begins running onto pavement before the full runtime is complete.

• A zone needs its total runtime divided into shorter applications.

• The controller is intentionally programmed for cycle-and-soak operation.

For example, instead of running a zone continuously until water begins to run off, the controller can divide the watering into shorter cycles with soaking time between them. The exact cycle length should be based on what happens in the yard, not a universal setting.

Check all available programs and start-time slots. An old Program B or Program C can remain active even after Program A has been updated, causing unexpected watering on the wrong days or at the wrong times.

When Does Sprinkler-Controller Programming Need Professional Attention?

Controller problems should be inspected when the system does not follow the selected schedule, individual zones behave unpredictably, or adjusting the timer does not correct the lawn’s watering problems.

Call for irrigation service if:

• The sprinklers run on Monday or on the wrong assigned days.

• The entire program repeats several times unexpectedly.

• A zone will not start or shut off.

• The controller loses its date, time, or settings after a power interruption.

• The display is blank, damaged, or showing an error.

• A rain sensor does not stop irrigation after rainfall.

• Water runs onto sidewalks, driveways, or streets.

• Some areas remain dry while other sections are saturated.

• Sprinkler heads leak after the program ends.

• Wiring, valves, or controller components appear damaged.

• The system runs during rainfall despite having a sensor.

• A controller has multiple programs that cannot be identified or disabled.

A controller can be programmed correctly while the lawn still receives the wrong amount of water. Valve problems, clogged nozzles, poor sprinkler alignment, leaks, pressure issues, and mismatched heads can all affect the result.

What Else Affects the Correct Controller Settings?

The watering days establish the basic schedule, but property and system conditions determine the correct runtime and frequency. Two neighboring Urbandale lawns can follow the same assigned days while needing different irrigation settings.

Important factors include:

• Controller model: Traditional, Wi-Fi-enabled, and weather-based controllers use different programming menus.

• Number of active programs: Hidden or forgotten programs can create duplicate cycles.

• Rain-sensor condition: A disconnected, bypassed, or damaged sensor may allow unnecessary watering.

• Sprinkler uniformity: Uneven head spacing and mismatched nozzles can cause wet and dry areas.

• Zone type: Lawn spray zones should not necessarily use the same program as drip irrigation or landscape beds.

• Soil condition: Compaction can prevent water from moving into the root zone efficiently.

• Drainage: Low areas may stay wet longer than elevated sections.

• Shade: Shaded zones often lose moisture more slowly.

• Mowing practices: Grass cut too short can experience additional heat and moisture stress.

• System maintenance: Broken heads, clogged nozzles, valve leaks, and pressure problems can make controller adjustments ineffective.

• Temporary watering restrictions: Short-term conservation measures may replace the usual schedule and require the controller to be adjusted again.

• Seasonal shutdown: The system must be properly prepared before freezing weather, then inspected and reprogrammed when it is started again.

The controller should be treated as one part of the irrigation system. Efficient watering also depends on accurate coverage, properly operating valves, working sensors, and suitable runtimes.

How This Works in Urbandale, IA

Urbandale lawns can experience changing summer conditions, including hot periods, wind, thunderstorms, and stretches of limited rainfall. These changes make rain sensors, seasonal adjustment, and routine controller checks important even when the correct even-and-odd days have already been selected.

For many Urbandale homes, Nolte & Sons Lawn & Irrigation would usually check or consider:

• The last digit of the property address

• Correct even- or odd-address watering days

• Monday shutoff settings

• Early-morning program start times

• The time required to complete every zone

• Duplicate programs or multiple start times

• Zone-by-zone sprinkler type and output

• Runoff on slopes and compacted areas

• Dry sections near pavement or full-sun areas

• Shaded zones that may need less irrigation

• Rain-sensor operation and bypass settings

• Seasonal-adjustment percentages

• Broken, tilted, clogged, or leaking sprinkler heads

• Watering alerts or temporary schedule changes

• Controller settings after power interruptions

• Fall shutdown and spring system startup needs

The goal is to program the controller to align with both the local schedule and the actual irrigation system. Selecting the correct days will not solve dry spots if heads are blocked, and adding runtime will not help if water is already running off the property.

ROI / Long-Term Value

Correct controller programming helps reduce wasted water, repeated lawn stress, runoff, and unnecessary sprinkler operation. It can also make it easier to identify irrigation problems before they cause larger turf, valve, or system issues.

The best long-term value comes from:

• Matching watering days to the property address

• Keeping Monday irrigation turned off

• Running the system during approved morning or evening hours

• Using only the start times the program needs

• Setting zone-specific runtimes

• Using cycle-and-soak programming where runoff occurs

• Activating a working rain or moisture sensor

• Adjusting irrigation after meaningful rainfall

• Correcting damaged or poorly aligned sprinkler heads

• Reviewing seasonal-adjustment settings regularly

• Testing the system after outages or controller changes

• Winterizing the irrigation system before freezing conditions

• Inspecting and reprogramming the system during spring startup

A carefully programmed controller can help the lawn receive more consistent moisture without automatically watering every available day or repeating unnecessary cycles.

Frequently Asked Questions

Final Recap: Program even-numbered Urbandale addresses for Sunday, Wednesday, and Friday and odd-numbered addresses for Tuesday, Thursday, and Saturday. Leave Monday off and schedule irrigation to finish before 10:00 a.m. or begin after 5:00 p.m., with early morning usually being the best option. Check for duplicate start times, use a working rain sensor, and have Nolte & Sons Lawn & Irrigation inspect the system if zones run on the wrong days, repeat unexpectedly, leak, or provide uneven coverage.