Bates Creek #2, WY Lawn Care Calendar

Every timing-sensitive lawn job in Bates Creek #2, timed to the local climate record — not a national average.

Turf region
Cool-season
Kentucky bluegrass, tall fescue, perennial ryegrass, fine fescue
Last spring frost
May 22
median, 1991–2020
First fall frost
Sep 26
median, 1991–2020
Growing stretch
127 days
frost to frost
TaskBates Creek #2 windowWhy then
Crabgrass pre-emergent May 1 – May 22 Soil nearing 55°F — must beat germination
Light spring feeding May 22 – Jun 19 After green-up, before summer stress
Aerate + overseed Jul 28 – Aug 12 Fall growth surge; established before cold
Main fall feeding Aug 1 – Aug 29 The year’s most important nitrogen
Winterizer feeding Aug 29 – Sep 12 Root reserves for spring green-up
Final mow Sep 19 – Oct 10 Growth stops around first frost

Anchored to NOAA 1991–2020 climate normals at the BATES CREEK #2 station. Windows are estimates — soil temperature is the real trigger, especially for pre-emergent. Check your own ZIP with the lawn calendar lookup.

Bates Creek #2 lawn care, month by month

MonthTasks
January Dormant — keep leaves cleared, stay off frozen turf
February Dormant — keep leaves cleared, stay off frozen turf
March Dormant — keep leaves cleared, stay off frozen turf
April Dormant — keep leaves cleared, stay off frozen turf
May Apply crabgrass pre-emergent · Light feeding after green-up
June Light feeding after green-up
July Aerate + overseed
August Aerate + overseed · Main fall feeding · Winterizer feeding
September Winterizer feeding · Final mow of the year
October Final mow of the year
November Dormant — keep leaves cleared, stay off frozen turf
December Dormant — keep leaves cleared, stay off frozen turf

Reading the Bates Creek #2 lawn year

Bates Creek #2 runs on the classic northern rhythm: a short, important spring (pre-emergent before soil hits 55°F, one light feeding), a defensive summer (mow tall, water deep, feed nothing), and then the season that actually builds a lawn — early fall, when aeration, overseeding around Jul 28 – Aug 12, and the year's main feeding all land before the Sep 26 frost closes the year. With only ~127 frost-free days, the fall window is tight — miss it and the next real chance is spring.

Grasses that fit Bates Creek #2

Frequently asked questions

When should I overseed my lawn in Bates Creek #2?

For cool-season grass (bluegrass, fescue, ryegrass), overseed in early fall — in Bates Creek #2 that means roughly Jul 28 – Aug 12, timed 45–60 days before the average first fall frost (Sep 26) so seedlings establish before cold. Spring works as a backup but collides with crabgrass season.

When do I put down crabgrass preventer in Bates Creek #2?

Aim for May 1 – May 22 — the estimated stretch when Bates Creek #2 soil approaches the ~55°F germination threshold, anchored to the average last frost (May 22). It's an estimate: a soil thermometer reading 50–55°F at 2″ depth for several days is the precise trigger, and pre-emergent must go down before crabgrass sprouts, not after.

When should I stop mowing in Bates Creek #2?

Keep mowing as long as the grass grows — in Bates Creek #2 that's typically until Sep 19 – Oct 10, around the average first fall frost (Sep 26). Take the final cut slightly shorter to discourage snow mold.

What grass grows best in Bates Creek #2?

Wyoming is cool-season country: Kentucky bluegrass, tall fescue, perennial ryegrass, fine fescue. See the grass guides linked below for identification and care.