ZFS7155 MFG #: 1281629
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Covers 10000 Square Feet

Shaw’s® Turf Food 15-0-5 Broadleaf Weed Control 1580/Viper™ is a premium, broad spectrum broadleaf weed control product and turf fertilizer. This product gives superior control of many weeds like Dandelions, Clover, Black Medic and Vetech and good activity on Thistles and Dock. This product works best when applied to wet foliage. This product contains 25% of the nitrogen from Polymer-Encapsulated urea (XRT). XRT is a new controlled release technology that delivers a more uniform and predictable release of nutrient for a period of up to 90 days. For Extended Release Technology, trust in XRT to deliver the lasting performance you demand.

Guaranteed Analysis

  • Total Nitrogen (N) - 13% - 15.00% Urea Nitrogen*
  • Soluble Potash (K20 - 5% - Derived From: Urea, Polymer-Encapsulated Urea and Potassium Chloride. 
  • Chlorine (Cl), not more than - 5% - *3.75% Slowly Available Nitrogen From: Polymer – Encapsulated Urea.  

Active Ingredients

  • 2,4-D Isooctyl Ester -1.077%
  • 2,4-D Acid - 0.146%
  • MCPP-p - 0.287%
  • Dicamba Acid  - 0.070%
  • Inert Ingredients: - 98.420%
  • TOTAL - 100.00%

Isomer Specific by AOAC Methods. Contains the single isomer form of MCPP-p EPA Reg. No. 228-413-8378 EPA Est. No. 8378-IN–1

Pounds of Nutrient/M Sq.Ft

Lbs PEr Acre Lbs Per 100 Sq.Ft N P K
174 4.00 .60 0 .20

The following settings are approximate for applying contents of this package. Settings are based on average walking speed. Reduce settings for slower speed and increase for higher speed. Check your spreader on 250 sq. ft. and adjust to apply ¼ of 1,000 sq.ft. rate. PLEASE NOTE: These settings are furnished as a starting guide only.


Spreader Settings 4.00 Lbs
Central Calibrated 5
Cyclone Broadcast 3-3 3/4
Jackson 5
Sears Broadcast 3
Scotts Calibrated 4

Application Instructions:

Best results are obtained when weeds are growing rapidly in spring and fall. IMPORTANT: Apply when grass is moist (after rain, sprinkling or dew). DO NOT water lawn after material is applied for at least 48 hours. Apply at a rate of 4 lbs. of product per 1,000 sq. ft. IMPORTANT: Read the entire directions for Use and Conditions of Sale before using this product. FOLLOW DIRECTIONS CAREFULLY