Surflan AS is a professional pre-emergent herbicide with 40.4% Oryzalin, designed to control broadleaf weeds and grasses before they emerge. It helps manage crabgrass, foxtails, goosegrass, spurge, and many more. Ideal for ornamental plantings, ground covers, warm-season turfgrass, and non-cropland sites, it is pet safe when used as directed. This surface-applied solution offers broad-spectrum weed control across a wide range of outdoor settings.
Surflan AS is a professional pre-emergent herbicide with 40.4% Oryzalin, designed to control broadleaf weeds and grasses before they emerge. It helps manage crabgrass, foxtails, goosegrass, spurge, and many more. Ideal for ornamental plantings, ground covers, warm-season turfgrass, and non-cropland sites, it is pet safe when used as directed. This surface-applied solution offers broad-spectrum weed control across a wide range of outdoor settings.
Pro Tips & Quick Tricks
Surflan AS is an economical and effective pre-emergent herbicide that is particularly effective on crabgrass. This 2.5-gallon jug will cover between 4.5 and 7 acres.
Product Information
Surflan AS - Oryzalin 41%
Surflan AS with Oryzlalin 41% is the same as Oryzalin 4 Pro. This specialty herbicide is a pre-emergent, selective herbicide. It controls annual grasses and broadleaf weeds in residential and commercial areas. It provides up to 8 months of control for selected weeds in landscape, ornamentals, container ornamentals, berries, non-bearing citrus, fruit and nut trees, vineyards and Christmas tree plantations. It works on established warm season turf such as Bahiagrass, Bermudagrass, St. Augustinegrass, Centipedegrass, Tall Fescue and Zoysiagrass. See label for complete list.
Surflan AS, as a pre-emergent herbicide does not control emerged weeds. It is used during early spring to summer sprayed to the soil surface of over the top of germinating weeds. For turf grass rate(warm season turfgrasses), use Use 1-1.5 oz, per gallon of water, per 1,000 square feet. Rate volume of the finished product may vary, depending on use weed species, targeted location area and length of control needed. High volume rates will provide 6-12 months of coverage and the lower rates will provide 2-4 months of coverage. See label for complete instructions.
Wait 90-180 days to reseed so the seed germination is not adversely affected.
Surflan AS and Glyphosate- Tank Mix
If you wish to kill weeds that have already emerged, use a Glyphosate with the tank mix. We carry Eraser and Agrisel GlyphoSel Pro
Suppresses these weeds (control may range from poor to excellent depending on several factors): Horseweed, Ladysthumb, Lettuce, Mallow, Milkweed, Morningglory, Mustard, Nightshade, Ragweed, Smartweed, Sowthistle, Spurge, Teaweed, Velvetleaf, Wheat.
Active Ingredient(s)
Oryzalin 40.4%
Use Sites
Surflan AS is used for control of annual grasses and many broadleaf weeds in:
Landscape Ornamentals
Container Grown Ornamentals
Field Grown Ornamentals
Drainage Areas Under Shade house Benches
Ornamental Bulb
Ground Covers/Perennials
Christmas Tree Plantations
Non-bearing fruit and nut trees and non-bearing vineyard
Noncropland and Industrial Sites
Established Warm Season Turf (including Bahia grass, Bermuda grass, Buffalograss,Centipedegrass, St. Augustine grass and Zoysiagrass)
Tall Fescue (warm season areas)
Yield
For warm season turfgrass control, yields 320 gallons which will cover about 7.35 acres.
Mixture
1 to 3 oz, per gallon of water, per 1,000 square feet
Application
Turfgrass single application 1.5 ounces per 1000 square feet.
For longer lasting control do a split application: An initial application of 1 ounce per 1000 square feet with a repeat application of 1 ounce per 1000 square feet 8 to 10 weeks later.