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Hi-Yield Killzall 365 is specially formulated to provide total vegetation control for up to one year. It contains powerful active ingredients which helps kill and prevent new weeds and unwanted grasses from growing on treated areas whole year round. It is designed for use on non-crop areas like parking lots, driveways, sidewalks, gravel areas, and around fencerows and buildings. It is guaranteed rainproof within an hour so rain or watering will not wash away effectiveness easily. It is recommended to be applied to bare soil to get the longest residue or generously spray nuisance weeds and grasses to get both good control and long-lasting residue. Make sure to avoid spraying under or near desirable plants including trees and shrubs to keep them from dying. A 32 oz. bottle treats up to 4,300 sq. ft.
Product Documents
| Active Ingredient | Glyphosate-isopropylammonium 43.68% Imazapyr, isopropylamine salt 0.78% |
|---|---|
| Target pests |
Bahiagrass, bentgrass, bermudagrass, bluegrass, brome, cattail, cogongrass, dallisgrass, fescues, Johnsongrass, kikuyugrass, knotgrass, nutsedge, orchardgrass, panicum, quackgrass, ryegrass, velvetgrass, wheatgrass, and others See Label for complete list |
| For use in | Non-crop areas such as fencerows, driveways, around buildings, industrial sites, lumberyards, manufacturing sites, storage areas, airport, roadsides, curbs, sidewalks, parking areas, Brick walks, Gravel Paths, Patios, Vacant lots, Paved areas |
| Pet safe | Yes, if used as directed on Label |
| Yield | Treats 4,300 square feet |
| Formulation |
Professional Product Group 2 / 9 Herbicide |
| NOT FOR SALE TO | AK, HI, IA, NY, RI |
| Special Features | Rainfast within 1-hour |
| Shipping Weight | 2.65 lbs |
| Manufacturer | VPG (Mfg. Number: 32170) |
| UPC | 732221321700 |
| EPA Registration | 81927-58-7401 |
WHEN TO USE
Apply to bare ground or when weeds are present. If weeds are taller than 6 inches, mow or cut down weeds and remove debris before treatment, and allow for 2 weeks of new growth. If woody vines or brush is mowed or cut, wait until full leaf formation before treatment.
To prevent growth of weeds under asphalt driveways, play areas, tennis courts and parking areas, apply this product before laying surfacing materials. Treat area uniformly to maximize results. Re-treatment every 6 to 8 months may be necessary in areas of heavy rainfall.
APPLICATION INSTRUCTIONS:
Apply on a sunny day with temperatures above 60 degrees Fahrenheit. Avoid product runoff to nearby desirable plants. In soils with heavy clay, weed control may exceed one year.
Total Vegetation Control (Bareground)
Use hand operated spray equipment such as backpack sprayers, pump-up sprayers or sprinkling cans, or ATV/Tractor mounted sprayers. Mix 7.4 fl. oz. (0.46 pints) of this product with water to produce 1 to 10 gallons of spray solution. Optimum performance will be achieved from applications to actively growing weeds in early summer.
Uniformly spray the mix over area where total vegetation control and bareground is desired. 7.4 fl. oz. of product within 1 to 10 gallons of spray solution should be applied to 1,000 square feet.
Maximum application rate of this product is 2.5 gallons per acre per year (7.4 fl. oz. per 1,000 sq. ft. per year).
Spot Control of Brush, Vines, and Weeds
Use hand operated spray equipment such as backpack sprayers, pump-up sprayers or sprinkling cans, or ATV/Tractor mounted sprayers. Mix 6 fl. oz. of this product per 1 gallon of spray solution. Thoroughly and uniformly spray foliage of woody plants to wet. For optimum performance:
Maximum application rate of this product is 2.5 gallons per acre per year (7.4 fl. oz. per 1,000 sq. ft. per year).
Kill all 365
By Steve on 02/26/2021
I sprayed the Killzall 365 on some fallow ground that was choked with tumbleweeds last year. The weeds were just starting to emerge and I sprayed a test patch of about a half acre. The weeds started to brown in about two days and after a week the weeds have completely browned. So far no weeds have returned. I have ordered more of this and will mix it with a pre-emergent To spray around fence lines and ditch banks.
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10 of 10 people found this review helpful
Hi-Yield Killzall 365
By Jimi on 11/19/2021
Worked as promised so far
By Sub on 11/18/2022
very slow acting/be very careful
By Dr on 04/06/2024
Amazing product
By Taffy on 06/17/2022
I mixed it a little strong, expecting sub par results like I have gotten in the past from other products. I have learned I was always using the wrong thing. It took 2 weeks to show results, but it looks like someone set fire to what I sprayed. I'm trying to kill everything near a house I'm building and it worked wonders. This will be purchased again.
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2 of 2 people found this review helpful
How can you get the same effectiveness with instructions like. "Mix 7.4 fl. oz. (0.46 pints) of this product with water to produce 1 to 10 gallons of spray solution". I am no chemist, but these instructions are not useful at all, how can mixing the same quantity in 1 gallon be as effective as mixing it in 10 gallons? What is the correct mix rate for a bare ground application?
For the Hi Yield Killzall 365 the mix rate and water volume used is based on the density of the weeds you are treating and the size of the area being treated. If weeds are small and young, a lower amount of water would be needed to get sufficient coverage. Whereas if you have tall dense weeds that are mature and more well established, a higher water volume would be needed to get the product to cover the entire surface of the treated area and not just the top foliage. The product label goes on to say in the paragraph below the one you are referencing, that this indicated volume should be used over 1000 sq/ft. If you were to use 7.4 oz over 1500 sq/ft for instance, you would not get the same result as you would have spread the product too thinly. You can see our video below explaining why calibrating your sprayer and figuring out how much water volume you specifically will need for your individual treatment area is important to help you know how much solution to mix with water.
Please review our video here for how much product per gallon/calibrate your sprayer
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9 of 30 people found this answer helpful
Hi-Yield Killzall 365 is safe for pets if used correctly. Pets and people should be kept out of the area while the product is being applied. Once the treated area has fully dried, it is safe for everyone to return typically fater 4-6 hours.
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5 of 7 people found this answer helpful
Hi-Yield Killzall 365 is not available in a 55 gallon drum. The biggest container available is a 2.5 gallon jug.
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4 of 6 people found this answer helpful
Hi-Yield Killzall 365 is not labeled for use in grazing pastures as will kill anything sprayed and prevent anything growing for up to 1 year after.
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3 of 4 people found this answer helpful
For total vegetation control (bareground) using Hi-Yield Killzall 365 to gravel driveways, the mix rate is 7.4 fl. oz. (0.46 pints) of this product with water to produce 1 to 10 gallons of spray solution to cover a 1000 sq ft area. Optimum performance will be achieved from applications to actively growing weeds in early summer and it using hand operated spray equipment such as backpack sprayers, pump-up sprayers or sprinkling cans, or ATV/Tractor mounted sprayers.
Maximum application rate of this product is 2.5 gallons per acre per year (7.4 fl. oz. per 1,000 sq. ft. per year). Please sure you view the product label for more information.
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2 of 15 people found this answer helpful
Hi-Yield Killzall 365
Rating: 4.7 (10 Reviews / 8 Q&A)
