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18-0-9

30% Slow Release 2% Iron .29% Prodiamine

AgChimp 18-0-9 30% Slow Release .29% Prodiamine 2% Fe is a combination pre-emergent weed control and lawn fertilizer designed to protect your lawn while feeding it at the right time of year.

When watered in, the pre-emergent herbicide forms a thin protective barrier at the soil surface that stops annual weeds before they can sprout. This prevents weeds from ever becoming a problem, instead of trying to control them after they appear.

At the same time, this formula delivers 30% slow-release nitrogen, potassium for stress resistance, and 2% iron for rich green color—helping your lawn stay strong, healthy, and attractive during early-season growth.

AgChimp 18-0-9 30% Slow Release .29% Prodiamine 2% Fe is especially effective against common annual weeds such as crabgrass, chickweed, henbit, woodsorrel, and spurge, making it an excellent choice for proactive weed prevention and seasonal lawn nutrition.

$14.76

Treats up to 5000 sq. ft.

This product must be used in strict accordance with label directions.
Authorized Reseller & MAP Agreement Required

Key Features

  • Prevents weeds before they emerge
  • Slow-release feeding for steady growth
  • Potassium supports stress tolerance
  • Iron enhances deep green color
  • Combines weed prevention and fertilization in one step

What This Feeds Your Lawn...

Repelled Pests

Directions for Use

It is a violation of federal law to use this product in a manner inconsistent with its labeling.
Not for use on turf being grown for sale or other commercial use as sod, for commercial seed production, or for research purposes.
This product is a pre-emergence herbicide that provides residual control of many grass and broadleaf weeds in established lawns and ornamental turf
(excluding golf course putting greens), landscape ornamentals, established perennials, and wildflower plantings.
This product controls susceptible weeds by inhibiting weed seed germination and root development. It does not control established weeds.

Weeds Controlled


Barnyardgrass; Bluegrass, annual (Poa annua); Carpetweed; Chickweed (common and mouseear);
Crabgrass (large and smooth); Crowfootgrass; Cupgrass (woolly); Foxtails (annual);
Goosegrass1; Henbit; Itchgrass; Johnsongrass (from seed);
Junglerice; Knotweed; Kochia; Lambsquarters (common); Lovegrass;
Panicum (Texas, fall, browntop); Pigweed; Purslane (common);
Pusley (Florida); Rescuegrass3; Shepherd’s purse2;
Signalgrass (broadleaf); Speedwell (Persian); Sprangletop;
Spurge (prostrate); Witchgrass; Woodsorrel (yellow, from seed).



1 In many areas, goosegrass control may require sequential applications.

2 Apply in late summer, fall, or winter prior to germination.

3 Suppression only.

Application Directions

  • Apply uniformly using a properly calibrated spreader.
  • Activate with at least 0.5 inch of rainfall or irrigation within 14 days of application.
  • Apply only to actively growing turf.
  • Do not apply near water, storm drains, or drainage ditches.
  • Do not apply if heavy rain is expected.
  • Sweep any product from sidewalks, driveways, or streets back onto turf.

Use Precautions

  • Application may thin emerged annual bluegrass and newly overseeded turf.
  • Turf stressed by drought, low fertility, or pest damage may experience injury.
  • Disturbing the herbicide barrier (such as core aeration) may reduce weed control.

Use Restrictions

  • Do not apply to overseeded turf within 60 days after seeding or until after the second mowing, whichever is longer.
  • Do not apply to newly laid sod until the following year.
  • Do not apply to putting greens or areas where bentgrass, dichondra, or annual bluegrass are desirable.
  • Do not apply through any type of irrigation system.
  • Do not apply aerially.
  • Do not graze or feed livestock forage from treated areas.

Minimum and Maximum Application Rates (By Turfgrass Species)

Turf SpeciesMinimum Rate(lbs / 1,000 sq ft)Maximum Annual Rate(lbs / 1,000 sq ft)Bermudagrass32.7511.9Bahiagrass22.7510.3Centipedegrass22.759.0Kentucky Bluegrass2.757.9Perennial Ryegrass2.756.3Tall Fescue (including turf-type)2.756.0Zoysiagrass2.755.2



Maximum rates are per calendar year. Florida application limits vary by region; consult local extension services.
Newly sprigged Bermudagrass may experience temporary rooting suppression.


When to Overseed After Application:
This product will inhibit turf seed germination if overseeded too soon after application.
Follow labeled rates and intervals for best overseeding or reseeding results.

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