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Pennant Magnum Herbicide, Syngenta

Quick overview Pennant Magnum Herbicide, containing the active ingredient s-metolachlor, prevents yellow nutsedge, smooth and large crabgrass, and over 20 more turf, ornamental and landscape weeds from germinating on the golf course or in the landscape and is safe to ornamental plants.

Active Ingredients: S-metolachlor 83.7%
Foruulation Type:
Herbicide Mode of Action: Group 15
EPA Signal Word: CAUTION / PRECAUCION
EPA Registration Number: 100-950
Application Rate Range: (see label)
Container Size(s): 1 Gal.

Pennant Magnum Herbicide - Pre-Emergent Weed Control for Nurseries, Turf, and Landscape Plantings


Pennant Magnum Herbicide, containing the active ingredient s-metolachlor, prevents yellow nutsedge, smooth and large crabgrass, and over 20 more turf, ornamental and landscape weeds from germinating on the golf course or in the landscape and is safe to ornamental plants.

Label and SDS

  Product Label

  Product SDS

Pennant Magnum Herbicide Key Features

  • Allows the functional portion of metolachlor, the active ingredient, to be produced more efficiently which leads to superior results at a 33% lower use rate compared to generics
  • Only herbicide that can be sprayed over-the-top of ornamental plants for nutsedge control
  • Can be used in a wide range of warm-season turfgrasses, including bermudagrass, zoysiagrass, Bahiagrass, centipedegrass, and Florida’s St. Augustinegrass
  • Formulation mixes easily with water or liquid fertilizer. It can be sprayed onto dry bulk granular fertilizers to be spread for treatment.

Pennant Magnum Herbicide Key Benefits

  • Superior weed control on warm-season turf and landscape ornamentals with 33% less product
  • Wide margin of plant safety makes it a valuable option in nurseries and landscape plantings
  • It can be used alone or tank-mixed with Barricade Herbicide to enhance effectiveness and spectrum
Product description

Pennant Magnum Herbicide - Pre-Emergent Weed Control for Nurseries, Turf, and Landscape Plantings


Pennant Magnum Herbicide, containing the active ingredient s-metolachlor, prevents yellow nutsedge, smooth and large crabgrass, and over 20 more turf, ornamental and landscape weeds from germinating on the golf course or in the landscape and is safe to ornamental plants.

Product variants
Pennant Magnum Herbicide, 1 Gal.
Pennant Magnum Herbicide, 1 Gal.
Pennant Magnum Herbicide, containing the active ingredient s-metolachlor, prevents yellow nutsedge, smooth and large crabgrass, and over 20 more turf, ornamental and landscape weeds from germinating on the golf course or in the landscape and is safe to ornamental plants.

Sold Individually, Case Qty. = 4 x 1 Gal.
PRICE BREAKS - The more you buy, the more you save
Quantity 2+ 4+
Price $257.95 $255.95
Delivery date: 3-5 days
$259.95
Additional information
Manufacturer: Syngenta
Product tags
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