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Lawn calendar

Lawn care timing for Philadelphia, PA

Timed to the live soil near 19101 — about 87°F right now — not a national calendar.

Your next task
Winter-weed preventer, around September.
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Plan for a cool-season lawn (most common here).Switch to warm-season →
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Cool-season grass (fescue, Kentucky bluegrass) stays green through winter. Warm-season grass (Bermuda, Zoysia, St. Augustine) turns brown and goes dormant in winter.

Typical months shown · status is live for Philadelphia, PA.

Jan–May
Crabgrass preventerAll lawns
Put down a crabgrass preventer (a “pre-emergent”) before the seeds sprout, as soil nears 55°F.
Done for this year
Mar–May
Light spring feedingCool-season
An optional light feed at green-up — go easy; fall is the big one.
Done for this year
May–Jul
Grub preventionAll lawns
Put down preventive grub control before eggs hatch, then water it in.
Done for this year
Aug–Nov
Winter-weed preventerAll lawns
Stop poa annua (annual bluegrass) and other winter weeds before they sprout, as soil cools toward ~70°F — a fall “pre-emergent.”
Coming up soon
Aug–Sep
Overseeding (new grass seed)Cool-season
Spread fresh grass seed over your existing cool-season lawn to thicken it — the best window as soil cools.
Coming up soon
Aug–Oct
Aeration (loosen the soil)Cool-season
Pull small plugs of soil to relieve compaction while your cool-season lawn can recover — pairs with overseeding.
Done for this year
Oct–Nov
Late-fall feedingCool-season
The most important feeding of the year (a “winterizer”) — builds roots for a stronger spring.
Coming later this year

Soil temperature data by Open-Meteo (CC BY 4.0), modeled ~2 in (6 cm) deep and updated daily. Informational guidance only — always follow product labels.

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Common questions for Philadelphia, PA

When should I apply crabgrass pre-emergent in Philadelphia, PA? +

Apply when the soil temperature near 19101 approaches 55°F and is still rising — typically a week or two before crabgrass germinates. LawnTide watches the soil for you and emails you the exact week.

What's the soil temperature in 19101 right now? +

The soil near Philadelphia, PA is about 87°F about 2 inches deep (6 cm) right now — modeled, updated daily.

Is LawnTide free? +

Yes — soil-temperature lawn alerts for Philadelphia, PA are free. Sign up with your email and ZIP.

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