Why this page exists

Articles on this site name specific products by their active ingredient — chlorantraniliprole and imidacloprid for grub prevention, trichlorfon and carbaryl for active grub damage, 2,4-D and dicamba for broadleaf weeds, and various fungicides for lawn disease.

We name them because "apply a pesticide" is useless advice. Which chemical, and when, is the entire question.

But naming a chemical creates an obligation, so this page states it plainly: everything on this site is background reading. The product label is the actual instruction.

The label is not a suggestion

In the United States, a pesticide label is a legal document, not packaging copy. Using a product in a way its label doesn't allow — a higher rate, a site it isn't registered for, a different target pest — is a violation of federal law, and the label says so on the label itself.

That has a practical consequence for reading this site:

Where anything on Lawn Inside disagrees with the label on the product in your hands, the label is right and we are wrong. Follow the label.

Labels change. Registrations get amended, rates get revised, and products are sometimes pulled or restricted — including in specific states. An article written months ago cannot know what the jug in your garage says today. Read it, every time, even if you've used the product before.

What to actually read before you open the container

Most people skim the front. The information that matters is elsewhere:

  • Active ingredient — the chemical name, on the front panel. This, not the brand name, is what our articles refer to. Brands reformulate; the same brand name can contain a completely different chemical from one year to the next.
  • Signal word — CAUTION, WARNING or DANGER, in ascending order of acute hazard.
  • Directions for Use — the rate, the timing, and the sites it's registered for. Turf is not the same registration as ornamentals or vegetable gardens.
  • Precautionary Statements — the PPE you need. If it asks for gloves, long sleeves and eye protection, that's the minimum, not the maximum.
  • Re-entry / "keep off" instructions — how long people and animals must stay off the treated area. This is the single most important line on the label for anyone with a family or a dog, and it is the one most often skipped.
  • Environmental Hazards — including what the product does to bees, fish and waterways.
  • First Aid — read this before you need it, not while you need it.

Pets and children

This is the part we get asked about most, and the honest answer is that the label sets the rule, not us.

  • Keep pets and children off a treated lawn for the period the label specifies. That period varies by product and by formulation. A granular product watered in and a liquid spray do not behave the same way, and "until dry" is not a universal answer — it's only correct if that particular label says so.
  • Dogs are not small people. They walk on the treated surface barefoot, then lick their paws. Grazing on treated grass is common and is a genuine exposure route.
  • Store the container where a child or animal cannot reach it, in its original packaging with the label intact. A decanted chemical in an unlabelled bottle is both dangerous and, in the case of pesticides, unlawful.
  • Don't apply before rain or irrigation unless the label directs it. Runoff carries lawn chemicals into storm drains and waterways.

If you'd rather not have chemicals on your lawn at all while your kids are small, that's a legitimate choice — cultural control (mowing height, watering practice, soil health, overseeding) is genuinely effective against many of the problems this site covers, and it's what most of our articles reach for first.

Bees and pollinators

Several insecticides used for grub control are neonicotinoids, imidacloprid among them, and they are toxic to bees.

The practical rule: do not apply insecticide to blooming plants, or to a lawn that is flowering. A lawn full of clover or dandelions in bloom is a lawn full of bees. Mow the blooms off first, or wait. Your product's Environmental Hazards section will have the specific restriction.

Mixing, application and disposal

  • Mix outdoors, and only the quantity you're going to use. More is not stronger; it's illegal and it can damage your turf.
  • Never rinse equipment or dump excess into a drain, a gutter, or a ditch. The label explains proper disposal, and most areas have a household hazardous waste facility.
  • Wash your hands, and change out of the clothes you sprayed in.

Restricted-use products

Some products are classified Restricted Use and can only be bought and applied by a certified applicator. If a treatment your lawn genuinely needs falls into that category, that's a signal to hire a licensed professional, not a puzzle to work around.

When to stop reading and call somebody

In a poisoning emergency, do not spend time on this website.

Situation Who to contact
A person has swallowed, inhaled or been exposed to a lawn chemical Poison Help — 1-800-222-1222 (US). Free, expert and confidential. In a life-threatening emergency, call 911.
A pet has eaten, licked or been exposed to a lawn chemical ASPCA Animal Poison Control Center — (888) 426-4435, available 24/7, 365 days a year. A consultation fee may apply. Your own vet or the nearest emergency vet is also a first call.
General, non-emergency questions about a pesticide, its ingredients or its risks National Pesticide Information Center — 1-800-858-7378, operated by Oregon State University with the US EPA. Available Monday to Friday by phone, email or chat.

Have the product container with you when you call. The label carries the active ingredient, the concentration and the EPA registration number, and it's the first thing anyone will ask for.

If you are outside the United States, these services and the legal status of these products do not apply to you — your country's poison centre and pesticide regulator will differ, and local restrictions may be stricter.

Local advice beats national advice

Your state's Cooperative Extension Service is the best free resource in lawn care. It is regional, research-based, and specific to your grass type, your soil and your county's actual pest pressure — the things a national website cannot know about your yard. Most run a soil testing service for a modest fee, and a soil test replaces guesswork with a number.

Where an article here and your local extension office disagree, trust your extension office.

Related

This page is general safety information, not a substitute for the product label, a licensed applicator, a veterinarian or a physician.

Last updated: 17 July 2026.