Gardening and Landscaping Stack Exchange
Gardening and Landscaping Stack Exchange

Questions tagged [herbicide]

Herbicides are chemicals used to kill plants. Use this tag with questions about how to choose and use herbicides on different plants.

A chemical used to kill plants. These can vary from "kill everything" types through to selective types (e.g. broadleaf lawn weedkillers).

Herbicides are usually applied with water soluble sprays, but they can also be granular salts (eg. lawn "weed & feed" mixes; and copper sulphate) or solid (native copper can be an effective tree-killer).

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How do I remove one of two different plants growing in the same spot?

There's a shrub planted in the corner of my property, that the previous owner put there to help mask the utility pole behind it. I kind of like this idea, but there is another plant growing in the same spot. I feel like the shrub would be healthier,…
Matt Sullivan
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How do I naturally eradicate a stand of invasive bamboo?

I am on a 1 acre hill-side near the Oregon coast. The previous owner of this property decided it was a good idea to plant some type of invasive bamboo that covers a good 50% of the property (mostly the sloped backyard facing the ocean) and never…
maplemale
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What is the most effective way to eradicate burdock, curly dock and mugwort from a field?

We've got a small "meadow" area that is in bad shape from new home construction. Despite heavy seeding with native warm-season grasses and proper mowing, the area is overrun with mugwort, curly dock, and burdock. If we don't take this step, the…
That Idiot
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Why is triclopyr not available in California?

I'm considering using a triclopyr based herbicide to defeat some clover in my lawn (dwarf fescue) in San Francisco, CA. For example, there is this…
tom
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How to get rid of the weed not the grass

I live in Ontario Canada. So most of the powerful weed killers are not allowed here. I used Roundup and Weeb Begon but neither of them are good enough. My backyard is now full of weeds of all types including clover and dandelions and other stuff. I…
asmgx
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Massive damage to trees in city parks. Can anyone help with possible herbicide identification?

Okay, I've checked the archives and can't find anything like this situation. In brief, the local idiots (I'm being charitable here, believe it or not) who run my city's Parks Dept vastly screwed up when spraying herbicide on two parks. They…
Jurp
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How and what herbicide to spray around trees without killing them?

I have ongoing problems with weedwacking around my trees. I notice that on a lot of trees in government tended - and even on other private property - have a brown ring circle of very thin lawn which I assume is caused by the use of a herbicide -…
davidgo
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Do my tomatoes look like they are damaged from herbicides?

I planted my healthy tomato starts that I started myself in some new soil that has alpaca manure mixed in. The original, old growth is fine, but the new growth is all spindly and twisty and curling leaves. After researching the symptoms, I’m…
Cherryt505
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Re-sodding to solve weed problem without use of herbicides

Our lawn is overridden with weeds (mostly dandelions and clover). Part of the problem is we have not done much to maintain it over the years and also we don't use any herbicides. I wanted to tear up the current lawn and put in new sod. The…
Sara
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Need help controlling purslane germinating after seeding new lawn

I recently reworked a small section of my lawn (200 sqft). This work included solarization, tilling in some compost, rolling flat, spreading seed, top dressing with compost and rolling again. With the help of a water timer, I've been keeping the…
Pbaz
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Is Clopyralid or Dicamba more effective in the control of clover in lawns?

September's coming up, time to start getting ready for clover control. I have always used Clopyralid (3,6-dichloro-2-pyridinecarboxylic acid). The brand I use is Lontrel. My question is, how well does it compare to the similar Dicamba…
J. Musser
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How heavily are herbicide products restricted in the UK?

Recently I've been finding every product, or type of product, I read about online for specialised weed control is impossible to source in the UK. Examples include: quinchlorac products for weed grasses surfactant products... Other adjuvants are…
Mr. Boy
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Options to kill/remove invasive buckthorn

I have a large number of mature buckthorn shrubs in my yard that were there when I purchased the property. This is classified as an invasive in North America. Not only is it problematic in terms of spreading in my yard, it produces copious amounts…
JimmyJames
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Is there a selective herbicide for crabgrass that can be applied during high temps?

I'm in Alabama zone 8a, and crabgrass is taking over my Zoysia lawn. I just purchased the home and was not able to put down a spring preemergent. The crabgrass infestation is pretty thick in spots and spreading. The average daily temps are above…
Phillip Brantley
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What is proper way of disposing weed treated with herbicides?

I would like to know what is proper way of disposing weed treated with herbicides? Is it safe to use tree killed by herbicide as firewood?
False Identity
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