Why We Recommend Cutting Grass to 3 Inches in Calgary!
When it comes to lawn care in Calgary, one of the most common recommendations is to keep your grass at a height of about 3 inches. But why is this particular height so important for maintaining a healthy lawn in Calgary’s unique climate? Let’s explore the reasons behind this recommendation and how it contributes to a lush, green lawn.
1. Promotes Deeper Root Growth
Cutting your grass to 3 inches allows the grass to develop deeper roots. Grass that is cut too short, also known as "scalping," can stress the plant, making it harder for the roots to grow deep into the soil. Shallow roots lead to weaker grass that is less drought-tolerant, which is a significant concern in Calgary’s dry summers. By maintaining a 3-inch height, your grass will have more leaf surface area to absorb sunlight, promoting stronger, deeper root systems.
2. Helps Retain Moisture
Grass blades act as a natural mulch for your lawn. When kept at 3 inches, the grass blades provide shade to the soil, reducing evaporation and helping retain moisture. Calgary’s hot, dry summers can make it difficult to keep your lawn hydrated, and by allowing your grass to grow a bit taller, you’re helping it survive periods of drought. A lawn with taller grass retains moisture better, reducing the need for frequent watering.
3. Prevents Weeds from Growing
A well-maintained lawn at 3 inches helps to shade the soil and reduce the opportunity for weeds to take root. Weeds need sunlight to germinate, and the longer grass blades block out that sunlight, making it harder for weeds to establish themselves. By cutting your grass to the recommended height, you naturally help prevent weed growth without the need for harsh chemical treatments.
4. Protects the Grass from Heat Stress
In Calgary, we can experience intense heat during the summer months. When grass is mowed too short, it’s more vulnerable to heat stress because the roots have less surface area to absorb water and nutrients. Taller grass at 3 inches helps to shade the soil, keeping it cooler and protecting the plant from the harsh heat. This is especially important in Calgary’s climate, where extreme temperature fluctuations can take a toll on your lawn.
5. Improves Lawn Density
Cutting your grass to 3 inches encourages thicker growth and improves the density of your lawn. Grass that is regularly cut to a shorter length may not grow as vigorously, leading to thinning patches and bare spots. A lawn cut to 3 inches has more room to grow, which results in a fuller, healthier appearance. This is crucial for maintaining a beautiful, uniform lawn that can stand up to both Calgary’s dry weather and foot traffic.
6. Promotes Better Photosynthesis
Grass blades act as solar panels, absorbing sunlight and turning it into energy for growth. When you mow your grass too short, you reduce the surface area available for photosynthesis, which limits the grass’s ability to produce energy. Keeping your grass at 3 inches allows for optimal photosynthesis, ensuring your lawn gets the energy it needs to thrive.
7. Helps with Lawn Recovery
If your lawn experiences damage from pests, foot traffic, or disease, maintaining the recommended height of 3 inches helps it recover faster. Grass that is not stressed by frequent, aggressive mowing can bounce back more quickly from any damage. A well-maintained lawn is better equipped to handle these stresses and repair itself over time.