What to do in Lancaster now
Lancaster is in the transition zone, where both cool- and warm-season lawns grow. Dates are typical for this spot, worked out from 23 years of weather at Lancaster; each status uses this year's soil estimates.
Cool-season: tall fescue, Kentucky bluegrass, perennial ryegrass, fine fescue
- Crabgrass pre-emergent Closed Mar 2 Typical: Feb 20 – Mar 262-inch soil held 55°F for a week from Mar 2, so crabgrass was sprouting. Next window: about Feb 20 – Mar 26, 2027.
- Seed or overseed Seed now · about 12 days left Typical: Oct 9 – Nov 154-inch soil is 56°, inside the 55–70°F range where tall fescue and bluegrass sprout fastest. The window typically closes around Nov 15.
- Late-fall feeding Soil rarely cools to 40°F Typical: Through winterRoots stay active through most winters here. Feed on the fall schedule your extension office gives for your grass, and avoid feeding a lawn that is dormant from drought.
Warm-season: bermudagrass, zoysia, St. Augustine, centipede, bahia
- Crabgrass pre-emergent Closed Mar 2 Typical: Feb 20 – Mar 262-inch soil held 55°F for a week from Mar 2, so crabgrass was sprouting. Next window: about Feb 20 – Mar 26, 2027.
- Seed or sod Wait for late spring Typical: Apr 27 – Oct 9Warm-season seed needs 4-inch soil at 65°F or more, and seedlings need the rest of summer to establish. Next window opens about Apr 27.
- Fall pre-emergent (Poa annua) Germinating since Oct 15 Typical: By Oct 74-inch soil fell below 70°F on Oct 15, when annual bluegrass begins to sprout. A pre-emergent now only stops later flushes; plan to apply by about Oct 7 next year.
- Dormancy and last feeding Expected about Nov 15 Typical: Around Nov 15Warm-season grass slows and browns once 4-inch soil stays under 55°F, typically Nov 15. Make the last nitrogen feeding at least a month before that.
The last 60 days and the week ahead
Lancaster soil is 3° cooler than normal for Nov 3, cooler than on 76% of those dates since 2005, and 7° cooler than a year ago.
The green line is our estimate of the daily average soil temperature 2 inches down, driven by temperatures at Lancaster, 6.3 km from the city center. The dashed part runs the National Weather Service forecast through the same model. Hover or tap for any day.
2-inch soil, estimated From the NWS forecast Normal Normal range (8 years in 10)
Show the numbers
| Date | 2-inch soil | 4-inch soil | Air high / low | Normal (2 in) |
|---|---|---|---|---|
| Oct 20 | 64° | 65° | 82° / 47° | 63° |
| Oct 21 | 63° | 65° | 73° / 49° | 63° |
| Oct 22 | 61° | 63° | 63° / 52° | 63° |
| Oct 23 | 60° | 62° | 67° / 49° | 63° |
| Oct 24 | 60° | 62° | 72° / 45° | 62° |
| Oct 25 | 59° | 61° | 76° / 41° | 62° |
| Oct 26 | 60° | 61° | 78° / 43° | 61° |
| Oct 27 | 60° | 61° | 75° / 45° | 61° |
| Oct 28 | 59° | 61° | 75° / 43° | 60° |
| Oct 29 | 59° | 61° | 71° / 46° | 59° |
| Oct 30 | 59° | 61° | 66° / 52° | 59° |
| Oct 31 | 58° | 60° | 64° / 48° | 58° |
| Nov 1 | 56° | 58° | 62° / 41° | 58° |
| Nov 2 | 54° | 57° | 68° / 33° | 57° |
| Nov 3 | 54° | 56° | 73° / 36° | 57° |
| Nov 4 (forecast) | 55° | 57° | 68° / 44° | 57° |
| Nov 5 (forecast) | 56° | 57° | 71° / 46° | 57° |
| Nov 6 (forecast) | 57° | 58° | 73° / 49° | 56° |
| Nov 7 (forecast) | 59° | 59° | 75° / 49° | 56° |
| Nov 8 (forecast) | 60° | 60° | 75° / 50° | 56° |
| Nov 9 (forecast) | 60° | 61° | 75° / 50° | 55° |
Which grass grows in Lancaster
With January averaging 45°F, Lancaster sits in the transition zone. Tall fescue is the common cool-season choice; bermudagrass and zoysia are the common warm-season ones. Use the switch above to see the calendar for yours.
Lancaster soil through the year
Weekly 2-inch estimates for 2026 so far against 2025 and the normal for each week. The red lines mark 50°F, when crabgrass pre-emergent should be down, and 65°F, when warm-season seed sprouts well.
2026 2025 Normal (2005–2025) 8 years in 10
Normal by month
| Month | 2 in | 4 in | Air |
|---|---|---|---|
| Jan | 44° | 45° | 45° |
| Feb | 47° | 48° | 48° |
| Mar | 52° | 53° | 54° |
| Apr | 59° | 61° | 59° |
| May | 68° | 69° | 68° |
| Jun | 78° | 79° | 76° |
| Jul | 86° | 87° | 82° |
| Aug | 84° | 86° | 81° |
| Sep | 77° | 79° | 74° |
| Oct | 64° | 66° | 63° |
| Nov | 52° | 54° | 51° |
| Dec | 44° | 46° | 44° |
Soil: average of our daily estimates, 2005–2025. Air: NOAA 1991–2020 normals for the station.
Typical lawn dates in Lancaster
Each date is when the soil estimate (or the air, for freezes) crossed the threshold, year by year since 2005. “Early” and “late” are the 10th and 90th percentile years, so 8 years in 10 fall between them.
| Event | Typical | 2026 |
|---|---|---|
| Last spring freeze (32°F) | Apr 13 | Apr 28 |
| Crabgrass model: 250 growing degree days | Jan 20 | Jan 18 |
| Pre-emergent window opens (2-inch soil 50°F) | Feb 20 | Feb 9 |
| Crabgrass begins to sprout (2-inch soil 55°F) | Mar 26 | Mar 2 |
| Cool-season lawns start growing (4-inch soil 55°F) | Mar 22 | Mar 2 |
| Warm-season seeding opens (4-inch soil 65°F) | Apr 27 | Mar 22 |
| Cool-season seeding opens (4-inch soil under 70°F) | Oct 9 | Oct 16 |
| Cool-season seeding ends (4-inch soil under 55°F) | Nov 15 | not yet |
| Warm-season grass goes dormant (4-inch under 55°F) | Nov 15 | not yet |
| First fall freeze (32°F) | Oct 28 | not yet |
Where these numbers come from
There is no soil sensor in most cities, so we estimate it. Shallow soil follows air temperature with a lag of a few days, and runs a little warmer than the air in fall. We fitted that relationship to 190 USDA soil-sensor stations; on years held out of the fit, the estimate was off by 3.3°F on an average day, and it put the spring 55°F date within a median of 3 days. Read the methodology.
Weather: RCC ACIS station KWJF (LANCASTER), daily data since 1974. Forecast: National Weather Service, LOX office, issued Nov 4, 2026, 3:21 AM EST. Last observed day: Nov 3, 2026.
Lancaster questions
What is the soil temperature in Lancaster today? Our estimate for Nov 3 is 54°F at 2 inches and 56°F at 4 inches, as a daily average. Early-morning soil runs a few degrees cooler than that, and afternoon soil warmer.
When should I put down crabgrass pre-emergent in Lancaster? Apply when 2-inch soil holds about 50°F and before it holds 55°F. That has typically been Feb 20 to Mar 26 in Lancaster. For 2026 the window closed on Mar 2.
When can I seed bermudagrass in Lancaster? Wait for late spring. Warm-season seed needs 4-inch soil at 65°F or more, and seedlings need the rest of summer to establish. Next window opens about Apr 27.
Is it too late to fertilize in Lancaster? Expected about Nov 15. Warm-season grass slows and browns once 4-inch soil stays under 55°F, typically Nov 15. Make the last nitrogen feeding at least a month before that.
When is the last frost in Lancaster? The last 32°F night of spring has typically come around Apr 13, and as late as Apr 18 in 1 year in 10. The first fall freeze typically arrives around Oct 28.
Why 2 inches and 4 inches? Crabgrass and most weed seeds sprout in the top inch or two, so pre-emergent timing follows 2-inch soil. Grass seed and roots respond to the slightly steadier soil at about 4 inches.
How accurate is this? It is a model, not a probe in your yard. Expect about 3–4°F of difference on a given day; shade, slope, mulch and irrigation all move real soil. The dates and trends are more reliable than any single day.