When people talk about how “green” their lawn is, they usually mean color and thickness. But there’s another meaning worth considering: how sustainable is your lawn care? Specifically, how much time, energy, and water are you using to maintain it?
In regions like the Great Lakes, water can feel like an abundant resource. But even here, irrigation comes with real costs—both financial and environmental. One of the most overlooked aspects of lawn care is just how much water is being used, and often, wasted.
The Problem with “Set It and Forget It”
A common recommendation is to apply about one inch of water per week to maintain a healthy lawn. While this is a useful guideline, it’s often misapplied. Many irrigation systems are programmed once and left unchanged throughout the season. This “set it and forget it” approach frequently leads to overwatering.
You’ve probably seen it: sprinklers running during a rainstorm. This is a clear sign of inefficiency. Fortunately, simple upgrades like rain sensors or weather-based “smart controllers” can automatically shut off irrigation when it’s not needed.
When More Water Hurts More Than It Helps
Overwatering doesn’t just waste money—it can damage your lawn. Saturated soils limit oxygen to plant roots, leading to poor growth, root rot, and increased disease. In extreme cases, it can even cause soil erosion.
What makes things tricky is that overwatering and underwatering can look similar. Brown, drooping leaves might signal drought stress—or they could mean the plant is essentially drowning. When in doubt, check the soil. If it’s wet or soggy, hold off on watering.
A Smarter Approach: Cycle and Soak
One of the most effective ways to improve irrigation efficiency is a method called “cycle and soak.”
Instead of running your sprinklers for long, continuous periods, this method breaks watering into shorter cycles:
- Run each zone until the soil reaches saturation (just before runoff begins)
- Turn the system off and allow water to soak into the ground
- Resume watering later for a second cycle
This approach reduces runoff, allows water to penetrate deeper into the soil, and promotes stronger root systems. Over time, healthier roots mean your lawn will require less water overall.
Adjusting for Conditions
Not all lawns absorb water at the same rate. For example:
- Spray (mist) zones may reach saturation in about 10 minutes
- Rotary zones may take closer to 20 minutes
Soil type, slope, and weather conditions all play a role, so a little observation goes a long way. Once you notice water beginning to run off, you’ve reached the limit for that cycle.
Managing Lawns During Drought
If your lawn goes dormant during dry conditions, it doesn’t need much water to survive—about a quarter inch per week is usually enough. Trying to keep a lawn lush and green during a drought can be costly and inefficient.
It’s often more practical to let the lawn rest and recover when conditions improve, rather than overwatering in an attempt to maintain growth.
Let It Grow (A Little)
Another way to strengthen your lawn is to mow less frequently and allow grass to grow taller. Longer grass blades reduce stress on the plant and encourage deeper root growth, making your lawn more resilient to heat and drought.
While a full “no mow” approach can quickly get out of hand, even slightly increasing mowing height or skipping a week occasionally can make a noticeable difference.
Choose the Right Grass
Not all grass types are created equal. Selecting the right variety for your conditions can significantly reduce maintenance needs.
- Kentucky bluegrass thrives in full sun but typically requires more water
- Fescue varieties perform better in shaded areas and often need less water
Modern seed blends are also more efficient than older varieties, offering improved color, density, and disease resistance with lower water requirements.
If you’re planning to reseed, timing matters. In northern climates, early fall, especially September, is ideal. Be cautious with pre-emergent weed treatments, however, as they can prevent new grass seed from germinating.
A Greener Lawn in Every Sense
A healthy lawn isn’t just about appearance, it’s about balance. By paying closer attention to how and when you water, adjusting your mowing habits, and choosing the right grass types, you can create a landscape that looks great while using fewer resources.
In the end, the greenest lawn might not be the one that uses the most water—but the one that uses it wisely.
Architerra Inc
847-949-6576
