Questions tagged [weed-control]

For questions about controlling weed growth with minimal effort.

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14
votes
7answers
149k views

To be effective, how long does Glyphosate weed killer need to be applied before it rains?

Yesterday I used around 3 litres (approximately 1 gallon) of glyphosate (generic Roundup) around my garden. It was in the evening around 6pm. This morning I awoke to the sound of rain. Will the rain ...
1
vote
1answer
14 views

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 ...
0
votes
1answer
35 views

I have a fern-like weed that does not bloom and it spreads by runners. It grows about 9 inches high and chokes out everything in sight. What is it?

Someone told me it is mugwort, but it doesn't have a rhizome and it doesn't bloom. It also doesn't have long stems; it's pretty low to the ground. It choked out an entire perennial bed last summer. ...
1
vote
1answer
35 views

How to/should I get rid of these weeds

I have these weeds in my front yard that is infesting my lawn. I have already pulled out 20-30 of these little cabbage looking weeds and there’s a 100 more to go! These things leave nasty holes in the ...
1
vote
1answer
415 views

Any weedkillers that are safe for Catnip and Catmint?

I have an area full of catmint and catnip that I'd like to spray to control for weeds. Unfortunately, all the "Kills weeds and not your lawn" products I could find will target for catmint/...
19
votes
6answers
32k views

How can I get rid of mint?

I planted mint in my garden a few years ago and it turned out to be a mistake. I should have grown it in a container. I've been pulling out mint each year but can't get rid of it, so I dug up the ...
16
votes
13answers
30k views

What did people whack weeds with before weed-whackers?

For a variety of reasons (poor outdoor storage, limited outlets, etc...) I do not want to get a gas or electric weed whacker, so I started to think of other options for maintaining the parts of my ...
4
votes
1answer
41 views

I found a blue plastic tarp about 6 inches under landscaped area in the front yard. Can I remove it?

I have encountered a curious situation I'm hoping someone can solve. When I started digging a hole to plant a young bush in my front yard, I saw 1-2 inches of wood chip mulch, then a black landscaping ...
2
votes
1answer
29 views

Finding my way out of Kikuyu Hell

I have a problem with Kikuyu which feels like its "too hard" for me to deal with, and I'd be grateful for any advice, thoughts or productive comments. My property is in Auckland, New ...
1
vote
0answers
19 views

Options for lanscaping around pool and foundation

When we first moved in, the plants around the pool were severely overgrown and seemed to provide a nice habitat for roaches/in that liked to swim in our pool. Last summer we removed all the bushes ...
1
vote
0answers
17 views

How to spring reseed cool season grass + pre-emergent herbicide

I did a bit of lawn repair last Fall in our front area, which was a reasonable success. I am thinking of doing the same to other parts of the lawn. I know that Fall is the best time for this kind of ...
1
vote
2answers
45 views

Controlling a thorny vine in a wooded area

First, if somebody can identify this thorny vine, I'd certainly appreciate it. It seems to be extremely common in wooded areas of Northern Virginia. It is roughly as thick as a plastic drinking straw ...
4
votes
5answers
98 views

Weeds in paver spacing: help with identification & suggestions

Probably due to the age of the house (~30 years old), a lot of weeds now grow in between pavers in my backyard. I read that I can use polymeric sand to fill in that space, but that sounds like ...
0
votes
1answer
110 views

How can I eliminate this large grass organically?

The pictured grass is growing in a paddy field which has been abandoned for several years. The leaf is in the background and the seed head in the foreground. A fully grown plant can be sized up to ...
3
votes
1answer
1k views

Need help identifying invasive grass/weed in my landscaping + St Augustine grass (9A)

I'm having an issue (among others) with my St Augustine lawn and flowerbed. I'm in zone 9A and this is happening in the sunniest part of the lawn, most gets sun from 8-9 am to 4-5 pm. I'm about ready ...
0
votes
2answers
55 views

How to get rid of this plant

This plant (or different plants?) has started to spread across my lawn. What is it and how can I get rid of it without harming the grass? If it is relevant, I live in northern Mississippi.
3
votes
1answer
46 views

Are woven geotextile fabric really permeable?

I plan to build a garden path covered with pine barks. To prevent weeds there should be some kind of ground cover under the barks, and this cover must be water permeable. I bought a woven geotextile ...
1
vote
1answer
31 views

Chemical for removing Couch grass from Kikuyu grass

Is there any chemical I can use that will kill invading Couch grass but leave the Kikuyu grass alive?
16
votes
5answers
17k views

How do I remove dandelions and bull thistle from my lawn?

My backyard is completely (seriously, completely) infested with weeds -- bull thistles (or spear thistles) and dandelions (the common yellow-flower weed), to be specific. Bull Thistle (source: ...
1
vote
1answer
41 views

What type of grass am I dealing with and how to get rid of it!

Can anyone please help with the identification of this weed grass in my lawn? I live in the Pittsburgh area. It is like a lime green with purple stems (see Photos). The stems are thick and course. I ...
3
votes
1answer
103 views

What kind of weed is this taking over the yard?

Can anyone identify this? It's starting to take over parts of my yard. I'm in Chicago, if that helps. Once we identify it, any recommendations to mitigate it?
50
votes
2answers
20k views

How long before poisons like Round-up become inert?

If I spray some grass with a poison like Round-up or Kills All, how long before that spray is not dangerous to plants? So for example, if after spraying, I walk through the sprayed area and then onto ...
1
vote
1answer
19 views

Trimmer Line spool too loose inside head

I have a single line auto feed weed whacker, that I've bought replacement line for. The problem is that the line I bought is wound around a spool thats about 10cm in diameter, so when I wrap it around ...
2
votes
0answers
26 views

Prepration when replacing lawn with new variety of grass

I'm in Southern California. I'll be re-sodding a lawn that was/is primarily crab grass with either a fescue or Bermuda grass. The current lawn has been dying due to lack of water. After I have this ...
2
votes
2answers
46 views

How to kill weeds (see picture) without killing tall fescue grass

Does anyone know what the weeds are called below? In addition, does anyone know how to remove them without killing the tall fescue grass? There is a lot of land so picking the weeds is not a realistic ...
3
votes
4answers
626 views

Can I use salt for weed control in a play area?

I have a 20 x 20 play area in my backyard and it seems I have to spray with weed killer almost every other month. Can I dump some salt in the area to control the weeds?
2
votes
0answers
34 views

Wild violets gone -now what ? What is the right sequence of operations to re seed?

My backyard was the largest plantation of wild violets known in North America. The grass was gone almost suffocated and in order to remove them I let them grow for the entire summer (so that they at ...
3
votes
1answer
67 views

Can leaves be used as a good mulch?

Wood chippings are often used as a natural mulch but I have a far greater abundance of leaves since my property is surrounded with beech and sycamore (a type of common maple) trees. Clearly these ...
3
votes
2answers
84 views

Large lawn with patches full of weeds in northwest Mass

Looking for suggestions on the best course of action for our lawn scattered with weeds. Our property is about 1 acre in Greenfield, MA and there are several patches with particularly high weed density....
3
votes
2answers
3k views

Is it possible to save a lawn completely overrun with weeds? If so, how?

My garden is large, but is on a steep slope. It's grass covered and has been landscaped so there's a nice flat area with a tree halfway up. The slope makes it difficult to properly mow and maintain ...
0
votes
1answer
46 views

Killing weeds with a drill

Does anyone know if killing weeds mechanically using a rotary tool like a drill work? For example, the 'Weed Spinner': https://www.youtube.com/watch?v=Ld96e0mOrs4 How come they aren't so widely used ...
6
votes
2answers
423 views

Can I kill dandelions and bull thistle with darkness?

Dandelions and bull thistle own my backyard. It's their turf now. (I'm a game developer, not a gardener.) I've tried a couple of things to kill them. I think I've decided to go with some uprooting ...
0
votes
4answers
64 views

How do I make weed killer at home?

I am looking to maintain a small patch of loose rock/pebbles in my yard: There's a fair bit of weed growing through the pebbles. I am hesitant to use Glyphosate as its an over kill and I've heard has ...
1
vote
1answer
278 views

What is the best way to de-weed a lawn?

As a very inexperienced gardener, what is the best way to de-weed a lawn? Having recently moved into a new house, the garden is generally in a very good condition- the previous owners were obviously ...
3
votes
0answers
43 views

What is this extension of my Mango Tree? Is it weed or is it helpful for it?

My 3 year old Mango Tree has some kind of extension on it. What is it? Should I remove it or let it stay?
5
votes
5answers
11k views

Weed that looks like grass

I cannot seem to get rid of this weed that looks like grass. Can anyone tell me what this is
15
votes
4answers
36k views

How do I quickly remove crabgrass without too much manual labour?

My backyard is being overtaken with crabgrass again. It started later this year than last. In the early spring, I rented a de-thatcher/powerrake and cleaned up the year of a lot of dead material (to ...
7
votes
4answers
411 views

How can I help my permaculture garden that's being overpowered by weeds?

My permaculture design garden is being taken over by horsetails and other common 'weeds'. I'm spending hours every day or two on weed control. I believe they are choking my fruit trees and bushes, ...
25
votes
3answers
4k views

How can I discourage ragweed from growing?

After three years of pulling, hoeing, and tilling, one corner of my garden is still infested with this vile weed. I live in Southeast Colorado, and the brutally-hot summer days seem to keep it under ...
21
votes
4answers
13k views

What is the name of this weed with red/green leaves and little white flowers?

I haven't been able to identify this weed which is prolific on the gravel (and garden beds) on the rooftop of my 10-storey condo building in downtown Vancouver, BC. Can anyone identify it and let me ...
0
votes
1answer
22 views

Manage weeds around parkway strip with maple trees

Current State: I have a parkway strip of about 500 sq ft in MA. The picture included is 30 percent of it. Rest of it is also similar to picture. I have about 5 maple trees (2 year olds) in there. ...
2
votes
0answers
29 views

Is this Johnsonsgrass

I have it all over my newly renovated yard. I believe it was brought in with the back fill when they used to grade my yard after I installed a pool... I think it's Johnsonsgrass, or at least that's ...
4
votes
4answers
12k views

What is this whispy grass stalk with a red base and thick woody roots, and how can I get rid of it?

This grass is slowly taking over my yard, and it's highly irritating as it grows at 3-5 times the speed of the rest of the lawn. I'd dearly love to get rid of it, but broadleaf weed killer is not ...
1
vote
1answer
41 views

New weed with long root runners - need to identify and eliminate

I have some weeds growing in the garden, but don't know what it is or how to get rid of it. Your help is appreciated. I have an area of shrubs with barck mulch all around. I noticed these green ...
7
votes
3answers
218 views

Elimination of Japanese Knotweed by injection

I have a Japanese Knotweed problem in a limited area (about 15x15 feet). It is very difficult to dig up the roots because they can be a good 2 feet underground. Therefore I am considering death by ...
4
votes
3answers
37k views

How can I remove the orange stains left by grass weed and feed?

Last weekend I covered our garden in grass weed and feed, specifically EverGreen 360sqm Complete 4-in-1 Lawn Care, Lawn Food, Weed and Moss Killer Bag available here. It has rained every day since ...
1
vote
2answers
35 views

New lawn has weed rampaging through it

I’ve just seeded a lawn about four weeks ago, and two days in I saw some green growth. I thought it was one of the clover varietals, but it turns out to be a plantain weed. Fast forward, it has ...
2
votes
2answers
70 views

New construction, massive back yard…crappy lawn and flower bed! please help!

Its been two years since the house is constructed. I Live in New England region, prior to the new house the land had been over grown with bushes, trees and crappy plants. After construction, builder ...
0
votes
0answers
41 views

Weed identification in chicago

Trying to identify this weed, looks like it might be family of nightshade but not sure. Located in Chicago with Tall Fescue. Any thoughts? Thank you :)
0
votes
1answer
261 views

How long should I leave after spraying a glyphosate weed killer before I cut back the weeds?

I have applied a glyphosate weed killer and I can see that over the course of a few days the leaves will wither and after a couple of weeks most are completely dry and shrivelled. When I am clearning ...

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