Port Mansfield, TX Lawn Care Calendar

Every timing-sensitive lawn job in Port Mansfield, timed to the local climate record — not a national average.

Turf region
Warm-season
Bermuda, Zoysia, St. Augustine, centipede, bahia, buffalo
Last spring frost
Jan 12
median, 1991–2020
First fall frost
Jan 1
median, 1991–2020
Growing stretch
354 days
frost to frost
TaskPort Mansfield windowWhy then
Crabgrass pre-emergent Dec 22 – Jan 12 Southern soil warms early — don’t be late
Seed / sod / establish Jan 26 – Feb 9 Soil 65–70°F; a full season to mature
First feeding Feb 2 – Feb 23 At full green-up, not before
Aerate / dethatch Feb 9 – Mar 9 Peak growth heals the disturbance fast
Last nitrogen Nov 6 – Nov 20 6–8 weeks before frost — then stop
Growth stops / final mow Dec 18 – Jan 8 Dormancy arrives with first frost

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

Port Mansfield lawn care, month by month

MonthTasks
January Apply crabgrass pre-emergent · Seed, sod, or plug new grass · Growth stops — final mow
February Seed, sod, or plug new grass · First feeding at full green-up · Aerate / dethatch
March Aerate / dethatch
April Dormant (brown is normal) — no nitrogen, light cleanup only
May Dormant (brown is normal) — no nitrogen, light cleanup only
June Dormant (brown is normal) — no nitrogen, light cleanup only
July Dormant (brown is normal) — no nitrogen, light cleanup only
August Dormant (brown is normal) — no nitrogen, light cleanup only
September Dormant (brown is normal) — no nitrogen, light cleanup only
October Dormant (brown is normal) — no nitrogen, light cleanup only
November Last nitrogen of the year
December Apply crabgrass pre-emergent · Growth stops — final mow

Reading the Port Mansfield lawn year

Port Mansfield's lawn year runs on warmth: the lawn wakes after the last frost around Jan 12, hits full stride in midsummer, and goes dormant with the first frost around Jan 1. The two dates to respect most are the pre-emergent deadline in late winter — southern soil warms early — and the last-nitrogen cutoff 6–8 weeks before frost, which protects the lawn from winter injury.

Grasses that fit Port Mansfield

Frequently asked questions

When should I plant warm-season grass in Port Mansfield?

Seed, sod, or plug Bermuda, Zoysia, and other warm-season grasses in late spring — around Jan 26 – Feb 9 in Port Mansfield, once soil has warmed well past the last frost. That gives new grass a full growing season to mature before its first winter dormancy.

When do I put down crabgrass preventer in Port Mansfield?

Aim for Dec 22 – Jan 12 — the estimated stretch when Port Mansfield soil approaches the ~55°F germination threshold, anchored to the average last frost (Jan 12). 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 Port Mansfield?

Keep mowing as long as the grass grows — in Port Mansfield that's typically until Dec 18 – Jan 8, around the average first fall frost (Jan 1). Warm-season lawns then go brown-dormant for winter, which is normal.

What grass grows best in Port Mansfield?

Texas is warm-season country: Bermuda, Zoysia, St. Augustine, centipede, bahia, buffalo. See the grass guides linked below for identification and care.