Prime Source Prodiamine 4SC Select

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Starting at $74.50

Grouped product items
Product Name Price/Ea.
Prodiamine 4SC Select 0.5 Gal (64 oz)
Prodiamine 4SC Select 0.5 Gal (64 oz)
Total: $0.00

Product Information

Prime Source's Prodiamine 4SC Select

Prime Source's Prodiamine 4 SC Select contains 40.5% prodiamine. It is a pre-emergent herbicide that controls many grass and broadleaf weeds like crabgrass by preventing growth. It prevents the development of newly germinated weeds.

Prodiamine 4 SC Select my be applied on established turfgrass (except putting greens), lawns, sod nurseries, landscape,container and field grown ornamentals, Conifer and hardwood seedlings, Nurseries, Christmas tree farms,and Non-crop areas including utilities and managed rights-of-way.

Featured Benefits

  • Efficient control of crabgrass, Poa annua, goosegrass, and key annual broadleaf weeds with low use rates.
  • May be applied spring and fall applications for season-long control for some weeds and grasses.
  • Formulation is low staining.
  • The active ingredient will stay in the weed germination zone for excellent control


For best results allow for 1/2 inch of water from rainfall after application or a shallow irrigation of around 1-2 inches.

This pre-emergent prevents newly germinated weed seeds from growing. Apply this product before weed seeds germinate within 14 days of application. It stops them from establishing a root system. It is most effective when application is followed by rainfall or irrigation.

Use at least 20 gallons per acre at the rate of 0.5 gal/1,000 sq feet of carrier water. Use a calibrated, low-pressure sprayer with a 50-mesh or coarser screens. For best results, use a broadcast boom or handheld wand designed for insecticide or herbicide applications.

Germination Chart for Crabgrass

germination crabgrass


Click on image to enlarge

*Drift Control : Care should be exercised not to over spray or apply the herbicide to adjacent non-target areas. Drift control is achieved by following label and sprayer instructions. Using a marking dye will help determine where you have sprayed.

Packaging 1/2 gallon
Product Label Label
More PDF's Sales Sheet
Target Pest Barnyardgrass, Annual Bluegrass (Poa annual), Carpetweed, Common Chickweed, Mouseear Chickweed (from seed), Crabgrass (Large, Smooth), Crowfootgrass, Woolly Cupgrass, Annual Foxtails, Goosegrass, Henbit, Itchgrass, Johnsongrass (from seed), Junglerice, Knotweed, Kochia, Common Lambsquarters, Panicum, (Texas, Fall, Browntop), Pigweed, Common Purslane, Florida Pusley, Rescuegrass, Shepherd’s Purse, Broadleaf Signalgrass, Persian Speedwell, Sprangletop, Prostrate Spurge, Witchgrass, Yellow Woodsorrel (from seed)
Active Ingredient (s) Prodiamine 40.5 %
For Use : Established Turf-grass: Sod Nurseries; Container, Field Grown, and Landscape Ornamentals; Conifer and Hardwood Seedling Nurseries; established Perennial and Wildflower Plantings; Non-Crop areas including managed right-of-way for transportation systems and utilities (including roadways, roadsides, railways, and equipment yards); facilities including substations, tank farms, pumping stations, parking and storage areas, and ungrazed fence rows; and Christmas tree farms
Yield N/A
Mixture|Application Use 0.23-1.1 oz/per 1,000 sq ft or 10-48 oz per acre (Depends on turf species-see label for details) with enough water for coverage
Shipping Restrictions N/A
More Instructions


  • Do not graze or feed livestock forage cut from areas treated with PRODIAMINE 4SC SELECT.
  • Follow all applicable directions, restrictions, and precautions on the labels of EPA-registered tank mix partners. 
  • Do not blend PRODIAMINE 4SC SELECT onto dry fertilizer or any other granular material.
  • Chemigation: Do not apply this product through any type of irrigation system unless instructed otherwise in this label.
  • Do not apply aerially.
  • Do not apply to golf course putting greens.

Frequently Asked Questions


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