Dimension Ultra 40WP Herbicide - 2.5 Pounds (dithiopyr)

DIMENSION Ultra 40WP Herbicide - Preemergent + Early Postemergent Control for Turf & Ornamentals

DIMENSION Ultra 40WP is a professional preemergent herbicide containing dithiopyr that provides reliable, season-long control of listed annual grasses and broadleaf weeds. In addition to preemergent performance, it offers early postemergence activity on crabgrass when applied according to the label—making it a versatile foundation for turf and ornamental weed management.

Key Benefits

• Season-long residual - dependable preemergent barrier against key annual grasses and many small-seeded broadleaves.
• Early POST crabgrass activity - controls crabgrass at early growth stages when applied per label directions.
• Broad site flexibility - for established lawns, sports turf (including golf fairways/roughs/tees), sod farms, and container-/field-grown ornamentals.
• Program fit - integrates with postemergent partners to widen spectrum and extend control.
• Professional formulation - water-soluble packets simplify handling, measuring, and mixing.

Technical Information

• Active Ingredient: Dithiopyr - 40.0%
• Formulation: Water-Soluble Packet (Wettable Powder), WSP/WP
• Herbicide Group: 3 (microtubule assembly inhibitor)
• Concentration Note: Each 5-oz WSP contains 0.125 lb a.i. dithiopyr
• EPA Reg. No.: 62719-445

Use Sites & Target Weeds

For use on: Established lawns; commercial sod farms; ornamental and sports turf (sports fields; golf course fairways, roughs, and tees; unimproved turf); container-grown, field-grown, and landscape ornamentals; non-cropland sites (rights-of-way, roadsides, industrial areas, utility corridors, gravel areas, hard-surface cracks, etc.); natural/open-space areas (parks, trails, wildlife habitat); and Christmas tree farms.

Controls/Suppresses: Listed annual grasses (including crabgrass, foxtails, barnyardgrass, goosegrass) and many small-seeded broadleaf weeds as specified on the label.

Application Rates & Timing

Apply preemergence to clean, weed-free surfaces before germination, or for early postemergence crabgrass control at the growth stages specified on the label. Water-in (irrigation or rainfall) as directed to activate the herbicide barrier, and avoid disturbing treated soil after activation. Follow all overseeding/reseeding intervals and site-specific restrictions on the label.

ALWAYS READ AND FOLLOW LABEL DIRECTIONS BEFORE USE.

Resources

Dimension Ultra Product Label (Specimen PDF)
Safety Data Sheet (SDS)

Why Professionals Choose Dimension Ultra 40WP

Dimension Ultra 40WP pairs trusted dithiopyr performance with convenient WSP handling to deliver consistent preemergent control—and the added advantage of early-post crabgrass activity—to keep turf and ornamental areas clean and competition-free.