Choosing the Right Grass for Pueblo
When it comes to selecting the best grass for your lawn in Pueblo, there is no one-size-fits-all solution. The ideal choice depends on several factors, including the level of foot traffic, sunlight exposure, and your overall maintenance preferences.
If your lawn will be used frequently by children, pets, or guests, you may want to consider Kentucky bluegrass or Turf-Type Tall Fescue. These grasses are known for their durability and ability to withstand regular use. Over the past few decades, new varieties have been developed that offer improved water efficiency and hardiness, making them a great option even if your current lawn is over 15 years old.
For areas with limited sunlight, a mix containing Fine Fescue can be an excellent choice. This grass is more shade-tolerant than other options and can thrive in lower light conditions. However, keep in mind that while Turf-Type Tall Fescue and Kentucky bluegrass provide a lush, classic look, they do require more water and maintenance compared to other types.
If you’re looking for a low-maintenance and water-efficient option, Buffalograss or Blue Grama—both native grasses—are worth considering. These grasses require less water and are well-suited for drier climates.
Another option to explore is cold-hardy Bermuda grass varieties such as Tahoma 31, Latitude 36, and Yukon. These warm-season grasses have been specifically engineered to survive harsh winters and require only moderate water inputs. While they aren’t as traffic-tolerant as Kentucky bluegrass or fescue, they are gaining popularity due to their benefits and faster spring green-up.
A hybrid option, Kentucky X Texas bluegrass, was developed in the 1990s and offers improved heat and drought tolerance, along with better performance under heavy traffic.
Understanding Cool- and Warm-Season Grasses
It’s important to understand the differences between cool-season and warm-season grasses to make an informed decision:
Cool-season grasses thrive in temperatures between 60-75 degrees. They grow best in spring and fall, can go dormant during extreme heat or winter, and stay green longer into the fall and green up earlier in the spring. These grasses typically require more water and are best suited for northern U.S. climates. Examples include Kentucky Bluegrass, Tall Fescue, Fine Fescue, and Perennial Ryegrass.
Warm-season grasses are adapted to hotter and drier weather. They take longer to green up in the spring and go dormant after the first frost. These grasses are intolerant of shade and require fewer fertilization and mowing inputs. Examples include Bermudagrass, Buffalograss, Blue Grama, Zoysiagrass, St. Augustine, and Bahiagrass. However, some of these (like St. Augustine and Bahiagrass) are not recommended for Pueblo due to their invasive nature and poor performance.
Planting and Watering Guidelines
The timing for planting grass varies depending on whether you choose cool- or warm-season varieties:
Cool-season grasses: Seeding can be done anytime between March and September. Sod can be installed during the growing season, but spring and early fall are optimal. If planting late in the fall, extra care must be taken to ensure proper watering.
Warm-season grasses: Seeding should occur between April and July. Plugs can be planted after the last spring frost and at least six weeks before the first expected fall frost. Sod is available year-round but can be expensive and requires similar care to plugs.
When it comes to watering, the best time is between 10 p.m. and 6 a.m. In Colorado’s arid climate, this helps prevent issues like fungal growth. Regularly check your irrigation system for leaks or malfunctions.
Watering Amounts and Adjustments
Here are the recommended weekly watering amounts (including rain):
- Late April: 0.75 inches
- May and June: 1 inch
- July and August: 1.5 inches
- September: 1 inch
- Early October: 0.75 inches
Adjustments may be needed based on weather conditions. For example, hot and windy days may require up to 2.25 inches of water per week, while cloudy and cooler periods may allow for less. Shady spots will also need less water than sunny areas.
To determine how much water your system delivers, conduct an irrigation audit using identical cups or bowls placed throughout your yard. This will help identify any inconsistencies in coverage.
Fertilizing and Aeration
Fertilizing is generally unnecessary if your lawn is mature and healthy, especially if you leave grass clippings on the lawn when mowing. These clippings provide sufficient nitrogen for lawn health.
If fertilization is required, choose products that contain both quick-release and slow-release nitrogen for optimal results. A professional soil test can help determine if your lawn needs additional nutrients.
Fertilizing in the spring promotes vigorous growth, while fall applications enhance root development and improve winter resilience.
Aeration is recommended in either spring or fall. Holes should be 2-3 inches deep and spaced 2-4 inches apart. Water the lawn the day before and after aeration, and leave the cores on the lawn to decompose naturally.
Mowing Practices
Maintaining a mowing height of 2.5 to 3 inches is ideal. This practice reduces stress on the grass, improves drought resistance, and helps suppress weed growth.
For more detailed information on turf management, visit extension.colostate.edu/resource/basic-turf-management.
Amanda Weidner is the horticulture specialist at the Pueblo County CSU-Extension Office. She can be reached at 719-583-6581 or via email at [email protected].
