Cool Season
OR?
Warm Season
What turf type does your lawn consist of? Many times homeowners find it difficult to properly identify which grass type they have. Here in the PNW we are limited to the cool season grasses: Tall Fescue, Fine Fescue, Kentucky Bluegrass, Creeping Bentgrass, and Perenniel ryegrass.
Cool season turf types tend to thrive in cooler soil temperatures. The spring and fall typically offer the best growing conditions with soil temps ranging from 50-65F. Germination temperatures can even occur at much lower temperatures (as low as 35F has been recorded).
Kentucky Bluegrass, in particular, really shines as one of the prefferred turf choices. Wrigley Field, Lambeau Field, Empower Field at Mile high, along with many other professional sport fields, all utilize the power of KBG!
KBG has a complex root system (known as underground rhizomes) which allows it to form a a very solid surface with dense, strong blades. Along with its recreational value, KGB offers great aesthetic appeal with a lush,dark green appearance. Home values are recorded to be 8-10% more with a fully established KGB lawn.
Warm season grasses, as their name implies, are going to be found in locations that don’t have much of a winter. While cool season grasses thrive in cooler temps and may risk dormancy in temps above 80f, warm season turf types thrive in temps above 80f and can risk major stress when exposed to freezing temperatures.
Here in the PNW, we don’t come across the warm season types too often. Occasionally, there is some buffalo grass that pops up in the summer months, but thats about it.

