Hi-Yield Grass Killer Post-Emergent Herbicide Help - Questions and Answers

Hi-Yield Grass Killer Post-Emergent Herbicide

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Hi-Yield Grass Killer Post-Emergent Herbicide

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Asked by Helen from Lyndon, Kansas

04/22/2014

Q

Is Hi-Yield OK for berries and conifer plantings?
I'd like to keep the grass away from our rows of blackberries and also plan to put in a windbreak of Eastern Redcedar, Mulberry, and American Plum and need to keep grass away from the seedlings. Safe?

A

Yes, the Hi-Yield Grass Killer Postemergence Herbicide is labeled to be used around fruits, vegetables, and ornamentals without fear of damaging these desirable vegetation.

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79 of 79 people found this answer helpful.
Asked by Charles from Possum Ridge Alabama

07/28/2012

Q

What is "oil concentrate"?
Why is it not in "Hi-Yield" grass killer or why is not stated on front of label that it will be needed? Frustrating to drive one hour home to read label and then find out!

A

We are not the manufacturer so we cannot comment on why it is not on the label. When an herbicide calls for oil, it is referring to a surfactant. Surfactant helps the herbicide stick to the waxy coating of the weeds and lawn you are applying it to. It improves the effectiveness of…
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We are not the manufacturer so we cannot comment on why it is not on the label. When an herbicide calls for oil, it is referring to a surfactant. Surfactant helps the herbicide stick to the waxy coating of the weeds and lawn you are applying it to. It improves the effectiveness of herbicides greatly.

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71 of 80 people found this answer helpful.
Asked by Joyce from Holley, Ny

04/22/2015

Q

Can I use Hi-Yield Grass Killer safely on the grasses growing in my iris plants?

A

Hi-Yield Grass Killer is a post-emergent selective herbicide that kills annual and perennial grasses in ornamental landscapes and desirable plants. Iris plants are tolerable per the product label. You will use 1 fl. oz. per gallon of water and add a surfactant such as Hi-Yield Spreader Sticker.

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49 of 52 people found this answer helpful.
Asked by Bobby from Boaz

06/27/2017

Q

How long to see results after spraying Hi-Yield Grass Killer Post-Emergent Herbicide?

A

Hi-Yield Grass Killer stops grass from growing within 2 days of application, and you should start to notice results within 7-14 days.

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34 of 35 people found this answer helpful.
Asked by S from Woodstock Ga

07/23/2013

Q

What types of oil can be used as a surfactant with the Hi Yield Grass Killer Post Emergent Herbicide? I've used dish detergent in the past with other products.

A

The manufacturers normally recommend that you use some type of certified surfactant with their products like the Non Ionic Surfactant or Hi Yield Spreader sticker. You would use 1 oz of Hi Yield Grass Killer and 1 oz of Surfactant per gallon of water per the Hi Yield recommended mix rates on the l…
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The manufacturers normally recommend that you use some type of certified surfactant with their products like the Non Ionic Surfactant or Hi Yield Spreader sticker. You would use 1 oz of Hi Yield Grass Killer and 1 oz of Surfactant per gallon of water per the Hi Yield recommended mix rates on the label.

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33 of 43 people found this answer helpful.
Asked by Sanford from Wetumpka, Al

05/28/2019

Q

Can I spray Hi-Yield Grass Killer Post-Emergent Herbicide on my okra?
I have grass in my okra will this harm my okra

A

Yes, the Hi-Yield Grass Killer Postemergence Herbicide is labeled to be used around fruits, vegetables (including okra), and ornamentals without fear of damaging these desirable vegetation.

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24 of 24 people found this answer helpful.
Asked by Perry from Thibodaux, La

05/17/2019

Q

Will Hi-Yield Grass Killer Post-Emergent Herbicide hurt my tomatoes and cucumber plants?

A

Hi-Yield Grass Killer Post-Emergent Herbicide does list both tomatoes and cucumbers as tolerable to applications so would not harm when applied as directed on the label.

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23 of 25 people found this answer helpful.
Asked by Monte from Everton

07/24/2016

Q

Can I use Hi-Yield Grass Killer Post-Emergent Herbicide around my Strawberry plants without harm to my plants?

A

Hi-Yield Grass Killer Post-Emergent Herbicide when applied per label will not harm Strawberry plants.

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19 of 21 people found this answer helpful.
Asked by Dave from Northcentral Wisconsin

08/14/2013

Q

Will the Hi-Yield Grass Killer Postemergence Herbicide harm asparagus or chicory
Plan to use on garden and wildlife food plots

A

The product label for the Hi-Yield Grass Killer Postemergence Herbicide does state it can be safely applied to asparagus and several other types of vegetables. We have contacted the manufacturer to ask about chicory and wild food plots as those are not on the label and will let you know what w…
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The product label for the Hi-Yield Grass Killer Postemergence Herbicide does state it can be safely applied to asparagus and several other types of vegetables. We have contacted the manufacturer to ask about chicory and wild food plots as those are not on the label and will let you know what we find out

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17 of 19 people found this answer helpful.
Asked by Wanda from Randolph, Al

06/30/2016

Q

Is Hi Yield Grass Killer safe to use around sunflowers?

A

Yes, Hi Yield Grass Killer Herbicide is safe for use around sunflowers. It will only kill grassy weeds. The mixing ratio is 1 fl. oz. per gallon of water and a surfactant should be used as well.

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17 of 19 people found this answer helpful.
Asked by Kathy from Newberg, Or

03/30/2016

Q

Can Hi-Yield Grass Killer Post-Emergent Herbicide be used around roses?

A

Yes, Hi-Yield Grass Killer Post-Emergent Herbicide can be used around roses and other ornamental plants and flowers.

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14 of 14 people found this answer helpful.
Asked by Mr. from Rockville,in

06/18/2014

Q

Is Hi-Yield Grass safe fora cabbages, radishes, carrots, tomatoes, beets, marigolds and onions?
I have a grass weed problem in my garden with those plants in it will this product kill these plants all but the onions are heirlooms

A

Hi-Yield Grass Killer Postemergence Herbicide is labeled for everything but radishes and marigolds. Care should be taken around these plants to avoid injury. You could also use a non-selective product carefully around the desirable plants to kill the grass only using something like the B…
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Hi-Yield Grass Killer Postemergence Herbicide is labeled for everything but radishes and marigolds. Care should be taken around these plants to avoid injury. You could also use a non-selective product carefully around the desirable plants to kill the grass only using something like the BurnOut Weed & Grass Killer RTU.

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12 of 12 people found this answer helpful.
Asked by Brenda from Burlison, Tn

05/24/2018

Q

Can Hi-Yield Grass Killer Post-Emergent Herbicide be used on sweet corn?

A

Hi-Yield Grass Killer Post-Emergent Herbicide specifically states on the product label that it cannot be used on or around sweet corn.

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11 of 12 people found this answer helpful.
Asked by Shon from Midvale

02/25/2015

Q

Is there a specific time of season this can be applied?

A

Hi-Yield Grass Killer Postemergence Herbicide is usually applied when the weeds have already germinated. There is not normally a restriction on when to apply it.

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10 of 10 people found this answer helpful.
Asked by David from Il

05/28/2014

Q

Can hi-yield grass killer be used to control grass in sunflowers

A

Hi-Yield Grass Killer Postemergence Herbicide can be used around sunflowers. Please refer to the product label for application instructions.

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10 of 12 people found this answer helpful.
Asked by Brian from Gainesville

02/22/2018

Q

Can I use Hi-Yield Grass Killer Post-Emergent Herbicide to kill weeds in monkey grass?

A

Yes, Hi-Yield Grass Killer Post-Emergent Herbicide can be used to kill grassy weeds in lirope or monkey grass as well as various other ornamentals and ground covers.

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9 of 9 people found this answer helpful.
Asked by Valerie from Greensburg, Pa

07/21/2019

Q

Can Hi-Yield Grass Killer Post-Emergent Herbicide be used in my perennial garden where I have a wide variety of plants blooming in 3 seasons?

A

Hi-Yield Grass Killer Post-Emergent Herbicide can be applied as directed to vegetables, gardens, trees, shrubs, ornamentals, and ground covers.

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9 of 9 people found this answer helpful.
Asked by Randy from Fort Garland, Colorado

10/02/2015

Q

Can I safely use Hi Yield Grass Killer around lilacs, bush cherries, chokeberries, and raspberries?

A

Yes, Hi Yield Grass Killer is designed to only target grasses and grassy weeds in ornamental and edible garden areas and will not harm your plants. You would use 1oz per gallon of water with 1oz surfactant and spray until thoroughly covered.

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8 of 9 people found this answer helpful.
Asked by Allen from Dover, Ar

02/25/2017

Q

Can Hi-Yield Grass Killer Post-Emergent Herbicide be applied on lyropia and day lilies?
I don't want to kill them. But I don't want to have to completely dig them up and replant!

A

Daylilies and green liriope are listed on pages 14 & 15 of the Hi-Yield Grass Killer Post-Emergent Herbicide product label as tolerable species. Please refer to the label for complete mixing and application instructions to ensure a safe eradication of unwanted grassy weeds.

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8 of 10 people found this answer helpful.
Asked by Howard from Saraland, Al

07/23/2019

Q

Can I use Hi-Yield Grass Killer Post-Emergent Herbicide around okra to kill wire grass?

A

Hi-Yield Grass Killer Post-Emergent Herbicide does list okra on the label as tolerable and is labeled for bermudagrass aka wiregrass. Applications can be made upto 14 days before harvest.

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7 of 8 people found this answer helpful.