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10 Best Source Triad Tz Select of 2025

Tested and Reviewed: Top 10 Source Triad Tz Select deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

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1

Editor's Choice

9.7

Select Source Triad TZ | 4-Way Combination Herbicide (Compare to T Zone) | Dependable Post-Emergent Broadleaf Weed Control (Quart)

Select Source

Select Source Triad TZ | 4-Way Combination Herbicide (Compare to T Zone) | Dependable Post-Emergent Broadleaf Weed Control (Quart)

Editor's bottom line:

“This source triad tz select is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

DESCRIPTION: Excellent post-emergent activity with proven rapid and effective weed control performance for some of the toughest broadleaf weeds in turfgrass.
CONTROLS TOUGH BROADLEAF WEEDS: Dandelion, spurge, white clover, plantains, ground ivy, virginia buttonweed and wild violet; also labelled for the suppression of yellow nutsedge
ACTIVE INGREDIENTS: Contains four active ingredients: 2,4-D, Dicamba, Triclopyr, and Sulfentrazone
HOW IT WORKS: Triad TZ is quickly taken up by the leaves and stems of plants and weed growth ceases within hours. The weed control effects may be seen within a few hours to a few days after application. Weed death occurs in 1 to 4 weeks after application, depending on the application rate, sensitivity of the weed, and environmental conditions.
USE SITES: Residential lawns, athletic fields, golf courses, parks, industrial and institutional buildings, commercial sod production, fencerows, farmyards, and utility rights-of-way

Picked by 397 people today

2

9.5

Primesource Triad TZ Select Herbicide - Gallon (T-Zone)

Primesource

Primesource Triad TZ Select Herbicide - Gallon (T-Zone)

Main Highlights

Contains the same active ingredients as T-Zone herbicide
Excellent post-emergent activity with proven rapid and effective weed control performance for some of the toughest broadleaf weeds in turfgrass such as dandelion, spurge, white clover, plantains, ground ivy, Virginia buttonweed and wild violet. Labelled for the suppression of yellow nutsedge.
Exhibits improved cool-weather performance.
Generally rainfast in as little as three hours.
Not for sale to: AK, AZ, CA, FL, HI, OR

3

9.5

Triad Select 1 Gallon

Primesource

Triad Select 1 Gallon

Main Highlights

Triad Select employs a mixture of three selective yet potent herbicides in order to control a broad variety of broadleaf weeds that are labeled hard-to-kill such as clover, dandelion, and plantain. This has been demonstrated and confirmed through university trials to be an efficient and effective solution that can be administered to both cool and warm season grasses and is labeled for use on sod farms, turf-grass, and other non-crop industrial areas
This formula can be mixed in a tank with liquid iron materials or liquid fertilizers following the label for instructions and compatibility on fertilizer tank mix. It has flexible application rates and may be applied to non-cropland areas' woody brush
Target pests Bed-straw, Dandelion, Poison Oak, Black Medic, Mock, Mallow, Purslane, Buck-horn, Pepper-grass, Sheep Sorrel, Wild Carrot, Wild Onion, Wild Garlic and others
For use in Golf Courses, Sod Farms, Highways, Right-of-Ways, and similar Non-Crop areas, Ornamental Turf-grass (Residential & Commercial), Parks, Cemeteries and Athletic Fields
Active Ingredient 2,4-D 30.89% Dicamba, dimethylamine salt 2.77% MCPA, dimethylamine salt 8.23%

4

9.2

Primesource Triad TZ Select Herbicide - 2.5 Gallon (T-Zone)

Primesource

Primesource Triad TZ Select Herbicide - 2.5 Gallon (T-Zone)

Main Highlights

Contains the same active ingredients as T-Zone herbicide
Excellent post-emergent activity with proven rapid and effective weed control performance for some of the toughest broadleaf weeds in turfgrass such as dandelion, spurge, white clover, plantains, ground ivy, Virginia buttonweed and wild violet. Labelled for the suppression of yellow nutsedge.
Exhibits improved cool-weather performance.
Generally rainfast in as little as three hours.
Not for sale to: AK, AZ, CA, FL, HI, OR

Our Best Overall Choice

9.7

Select Source Triad TZ | 4-Way Combination Herbicide (Compare to T Zone) | Dependable Post-Emergent Broadleaf Weed Control (Quart)

Select Source

Select Source Triad TZ | 4-Way Combination Herbicide (Compare to T Zone) | Dependable Post-Emergent Broadleaf Weed Control (Quart)

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

DESCRIPTION: Excellent post-emergent activity with proven rapid and effective weed control performance for some of the toughest broadleaf weeds in turfgrass.
CONTROLS TOUGH BROADLEAF WEEDS: Dandelion, spurge, white clover, plantains, ground ivy, virginia buttonweed and wild violet; also labelled for the suppression of yellow nutsedge
ACTIVE INGREDIENTS: Contains four active ingredients: 2,4-D, Dicamba, Triclopyr, and Sulfentrazone
HOW IT WORKS: Triad TZ is quickly taken up by the leaves and stems of plants and weed growth ceases within hours. The weed control effects may be seen within a few hours to a few days after application. Weed death occurs in 1 to 4 weeks after application, depending on the application rate, sensitivity of the weed, and environmental conditions.
USE SITES: Residential lawns, athletic fields, golf courses, parks, industrial and institutional buildings, commercial sod production, fencerows, farmyards, and utility rights-of-way

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Select Source Triad TZ | 4-Way Combination Herbicide (Compare to T Zone) | Dependable Post-Emergent Broadleaf Weed Control (Quart)

Special Amazon deal ends in: