When does pre-emergent application typically open in Lebanon, NH?

Pre-emergent application opens when 2-inch soil temperature reaches 50–55°F for several consecutive days in Lebanon, NH. The exact date varies year to year with the spring warm-up. This is informational guidance only, not a prescription. The label is the law. Consult your local Cooperative Extension office before applying any product.

What grass types grow best in Lebanon, NH?

Lebanon, NH is primarily a cool-season climate. Cool-season grasses (tall fescue, Kentucky bluegrass, perennial ryegrass, fine fescue) thrive when 2-inch soil sits in the 50–65°F range and slow down in midsummer heat. Picking a grass family that matches the climate is the single biggest lawn-care decision; transition-zone homeowners often maintain blends and accept that neither family will look perfect year-round. This is informational guidance only, not a prescription. The label is the law. Consult your local Cooperative Extension office before applying any product.

When is the first fall frost typically expected in Lebanon, NH?

In Lebanon, NH, the first fall frost typically arrives around November 1. Soil temperature continues to drop through October and November, which closes the fall fertilizer window for warm-season grasses and opens the dormant-seeding window for cool-season grasses. This is informational guidance only, not a prescription. The label is the law. Consult your local Cooperative Extension office before applying any product.

How often is this schedule updated?

Recommendations recompute every 6 hours from the latest reading at Mascoma River, about 15 miles from Lebanon. This is informational guidance only, not a prescription. The label is the law. Consult your local Cooperative Extension office before applying any product.

What soil temperature do cool-season grasses need to germinate?

Cool-season grasses like fescue, Kentucky bluegrass, and perennial ryegrass germinate best when 2-inch soil temperature sits in the 50–65°F range for several consecutive days. Above that, summer heat stresses young seedlings; below that, germination slows or stalls. The re-entry interval (REI) on any post-emergent products you apply during establishment is on the product label; respect it before letting pets or children back on treated areas. This is informational guidance only, not a prescription. The label is the law. Consult your local Cooperative Extension office before applying any product.

Where does the soil temperature data for Lebanon come from?

Soil temperature for Lebanon comes from Mascoma River, a station in the USDA Soil Climate Analysis Network (SCAN) located about 15 miles away. Daily readings at depths from 2 inches down to 40 inches feed the schedule's window-open and window-closing decisions. This is informational guidance only, not a prescription. The label is the law. Consult your local Cooperative Extension office before applying any product.

Lawn Care Schedule for Lebanon, NH

49°F at 20-inch depth · Mascoma River station, 15 mi

No active tasks for your location.

About this schedule

Soil at 20 inches is currently 49°F. All windows for the year have passed; the schedule reopens with new tasks in spring. That is 1°F below the 30-year normal for this date. Data from USDA Soil Climate Analysis Network (SCAN), 15 miles away at Mascoma River.

Sources

Penn State Extension: Thatch Management in Lawns (2024)
NC State Extension TurfFiles: Thatch and Dethatching (2023)
NC State Extension TurfFiles: Cultural Practices for Lawns (2023)
University of Maryland Extension: Aeration in Lawn Care (2024)
Penn State Extension: Managing Soil pH (2024)
Virginia Cooperative Extension (Virginia Tech): Lime, the Real Story (2023)

Lawn Care Schedule for Lebanon, NH

March

April

May

June

July

August

September

October

November

December

About this schedule

Sources