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Coastal Herbicide

The ultimate herbicide for southern turf

Coastal Logo
Meet the most all-encompassing and easy-to-use herbicide for southern turf. With powerful resistance management and broad-spectrum control, Coastal™ Herbicide can be used safely on all the four major warm-season turf grasses without the need to tank mix. This makes Coastal a smart choice when treating multiple lawns. And Coastal outperforms the current industry leader on hard-to-control weeds, including crabgrass and Poa annua.
Active Ingredient %
Simazine 27.20 %
Prodiamine 17.68 %
Imazaquin 7.62 %
Other Ingredients 47.50 %
Mode of Action
Photosynthesis Inhibitors, Lipid Synthesis Inhibitors
Site of Action
(5) Photosystem II Inhibitor, (1) ACCase Inhibitor
Available on Do My Own

$137.22 / gal
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Safe On
Click on a grass type below to see safe application rates:
Bermudagrass, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Not Safe On
No not safe on treatments listed. Please, review the label or contact the merchant for more information.
Maximum Yearly Limits
Do not exceed the maximum of 113 fl.oz. per acre per year.
Effective Temperature Range
Application made during high humidity and temperatures (above 85 degrees) may occasionally exhibit temporary phytotoxicity/yellowing; but normally is fully recovered within 3 weeks. 
Before Seeding Instructions
Do not reseed or winter overseed for 4 months after treatment.
After Seeding Instructions
Do not use on dicondria or winter overseeded turfgrasses such as ryegrass, fescue, bentgrass or poa trivialis when those species are desirable.
CertainLabel™

Coastal Optimized Application Label Rate Calculator

Legend:
Control
Suppression
No Control
Blanket Treatment:
1
Grass / Turf Types Safe
Bermudagrass
Centipedegrass
St. Augustinegrass
Zoysiagrass
1
Jump to CertainLabel™ Coastal Label Rates & Calculator for these 4 turf types
Blanket Treatment
Label Rate:
1.1 - 1.47 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 217800 - 290400 square feet
at a cost of
$1.18 - $1.58 per 1,000 sqft
Instructions:
The lower rate is recommended for spring if spring transition is expected within a month. Higher rates may be used if spring transition is at least 4-6 weeks away or has already occurred and also for fall.
1
Weeds Pre-
Emergent
Post-Emergent
Amaranth, Palmer
Amaranth, Spiny
Annual Ryegrass
Bahiagrass
Barnyardgrass
Bittercress, Hairy
Black Medic
Bluegrass, Annual
Buttercup
Carelessweed
Carpetweed
Cheatgrass
Chickweed, Common
Chickweed, Mouseear
Clover, Bur
Clover, White
Crabgrass, Large
Crabgrass, Smooth
Crowfootgrass
Cudweed
Cupgrass, Woolly
Dandelion
Dead Nettle, Purple
Dollarweed
Doveweed
Eclipta
Evening Primrose, Cutleaf
Fiddleneck
Filaree
Fireweed
Fivehook Bassia Bassia
Florida Pulsey
Florida's Paintbrush
Foxtail
Garlic, Wild
Geranium, Carolina
Goosegrass
Groundsel
Henbit
Johnsongrass
Junglerice
Knawel
Knotweed
Kochia
Kyllinga, Green
Lambsquarters, Common
Lawn Burweed
Lettuce, Prickly
Lobularia
Lovegrass
Millet, Browntop
Morningglory
Mustard, Tansy
Mustard, Wild
Nightshade, Black
Nightshade, Eastern Black
Nightshade, Hairy
Nightshade, Silverleaf
Nutsedge, Purple
Nutsedge, Yellow
Oat, Wild
Panicum, Browntop
Panicum, Fall
Panicum, Texas
Parsley Piert
Pepperweed
Pepperweed, Yellowflower
Perennial Ryegrass
Pigweed
Pineapple Weed
Purslane, Common
Purslane, Horse
Ragweed, Common
Ragweed, Giant
Ragweed, Western
Rattail Fescue
Redmaids
Rescuegrass
Rice Flatsedge
Sandbur, Field
Sedge, Annual
Sedge, Globe
Shepherd's Purse
Signalgrass
Silver Hairgrass
Smartgrass
Sorrel, Red
Spanish Needles
Speedwell
Speedwell, Corn
Speedwell, Purslane
Sprangletop
Spurge, Prostrate
Tall Fescue
Thistle, Russian
Violet, Wild
Wild Onion
Wiregrass
Witchgrass
Woodsorrel, Yellow
1
Jump to CertainLabel™ Coastal Label Rates & Calculator for these 100 weeds
Blanket Treatment
Label Rate:
1.1 - 1.47 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 217800 - 290400 square feet
at a cost of
$1.18 - $1.58 per 1,000 sqft
Instructions:
The lower rate is recommended for spring if spring transition is expected within a month. Higher rates may be used if spring transition is at least 4-6 weeks away or has already occurred and also for fall.
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