Questions tagged [weeds]

For questions about plants growing where they aren't wanted.

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4
votes
5answers
13k 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 ...
4
votes
5answers
4k views

Why are weeds growing with my new seeds?

So before planting new seeds I did two applications of weed killer about 1 week apart. I thought I had gotten rid of all weeds mainly the dandelions that were growing. I was all the leaves go brown ...
1
vote
1answer
49 views

Whats going on with my lawn? Grass or weed?

Lawn: Close up of lawn after a mow: Grass pulled out: So if you look at the 3 pictures can you tell me if its grass growing and if so which type? Or is this weeds? I bought the coated Scotts seed ...
2
votes
0answers
28 views

Should I install gravel or artificial turf in a trapezoid-shaped yard?

I have a trapezoidal back yard. Part of it has some old artificial turf on top of paved surface. This surface isn't completely even, but with turf it's not quite visible. Another part has grass. I ...
3
votes
2answers
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 ...
1
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2answers
41 views

Is this a weed growing in pot?

My concrete rooftop is so hot, that cactuses and weeds are pretty much the only thing that survive. We’re in the Caribbean. So I was surprised when I saw something that doesn’t look like a cactus ...
2
votes
0answers
33 views

Someone please help identify these two pictures

Hi everyone so I just started becoming more then obsessed with my lawn after 8 years of HO. I’ve always been obsessed with any lawn but could never get the lawn I wanted. So now I’ve Been on a mission ...
0
votes
1answer
47 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. ...
3
votes
2answers
308 views

Can I kill brambles directly by injection?

Our lovely Hedge is laced with brambles. I cannot access their roots. What is the ideal tool / product to perhaps inject.
1
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1answer
31 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
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1answer
646 views

Garden weed or something else

Is the attached bindweed or something else? I have it all over and was planning to treat with glyphosphate as there are a lot of other weeds as well ( poison ivy, creeping charlie)1
1
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1answer
36 views

does steam kills weed seeds in compost

I have some compost material from a group of homes, if I wanted to sell them to organic farmers, will steam treating them kill all the weed seeds inside it?
1
vote
1answer
67 views

What is this awful leafy plant that's taking over my lawn, and how to get rid of it?

Over the last few years, an aggressive, leafy weed has gradually taken over the grass of my back yard in Northern California. It spreads its roots horizontally and occasionally sprouts up purple ...
2
votes
1answer
40 views

Identify thick grassy lumps in my lawn

I'm a bit of a gardening newbie, so I hope this is not a stupid question. I've noticed a few thick grassy lumps appearing on my lawn. They're much thicker and have grass-like leaves growing from ...
2
votes
2answers
492 views

If I just leave dandelions and clover in my lawn, what problems may happen?

There is a lot of advice on the internet about getting rid of dandelions and clover from a lawn: chemical herbicides, manual digging, organic weed remedies. I live in Denver, Colorado, USDA zone 5. I'...
1
vote
0answers
19 views

Does Poa annua always flower and produce seed in the spring?

I have been maintaining a relatively new lawn over the last two seasons (it was seeded two years ago). My primary goals right now are to encourage the lawn to fill in better/thicken up, and to keep ...
0
votes
1answer
23 views

How can I remove the aggressive weeds growing in my fescue?

I have a fescue lawn that is about 1.5 acres (hand picking weeds is not an option). As spring began, these weeds (see pictures below) have started growing in the fescue. My guess is that the tall thin ...
0
votes
0answers
12 views

What will kill Poa annua in St. Augustine grass?

What kills Poa annua in St. Augustine grass?
0
votes
1answer
59 views

Looking to identify this seed

We are located in southern Ontario. I found these seeds in a row (flat sides against each other) in my garden. There is a lot together, so I'm guessing a large pod (its spring so maybe it has degraded ...
1
vote
1answer
70 views

Identify - Spiky grass like plant invading lawn

I just moved to a new place and my neglected lawn has lots of these spiky "grasses". They seem to be very resilient, difficult to pull out and need a good bit of forking to get to the roots. ...
1
vote
1answer
439 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/...
0
votes
1answer
45 views

What are the spikey patches of grass on my lawn?

I have moved into a new build house and the lawn already has "spikey grass" parts consistently over the lawn. Around 60 patches in an area of 50 sq metres. In places, around 1 inch taller ...
2
votes
3answers
184 views

Do nitrates really encourage weed germination?

I've heard that nitrates increase weed germination. Is this true? If so feel free to mention what forms of nitrates encourage them to sprout most, if you happen to know (e.g. ammonium nitrate, calcium ...
0
votes
0answers
437 views

Can I lay geotextile sheeting beneath new grass?

We have an area of ground that was a thick mix of overgrown weeds and plants. We would like to turf this area. We have turned over the soil and taken out some of the roots but there are still a lot of ...
3
votes
1answer
1k views

What's this white flower?

Growing in my garden in Wellington, NZ where it's now autumn.
4
votes
5answers
110 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 ...
1
vote
1answer
272 views

Weed with giant orange root system

We had a "Tree" in the back yard which we did not plant. Leaves are about 8 inches in length and about 3 inches wide, very waxy. The roots look like extremely long carrots. The largest was ...
0
votes
2answers
57 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.
11
votes
2answers
493 views

Can anyone identify this apparent succulent weed? It's popping up all over after our rains

This appears to be a weed, as hundreds have popped up all over a backyard at a client's home. Any idea of what it is? Found in San Diego, California, USA.
3
votes
1answer
105 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?
5
votes
1answer
91 views

How/When to Remove Dead Weeds and Reseed Lawn?

Apologies in advance if this is a duplicate; I have read some other similar questions but each scenario is so individual that it is hard to know exactly which advice to apply. My yard, which is all in ...
2
votes
1answer
33 views

Would unwashed (dirty) river rock used over weed block fabric allow weeds to grow?

Landscaper used dirty river rock over weed block fabric.
1
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1answer
79 views

2 different broad leaf milky sap weeds in flower beds

First year we have seen these, pics attached below. Only have one of the plant I thought was teasel, but I was told it was not. The second plant is in three different beds with multiple encounters. ...
3
votes
3answers
57 views

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 ...
1
vote
1answer
112 views

UK plant (probably weed) identification

I found this growing in a hanging basket we thought was empty. Any thoughts?
5
votes
1answer
172 views

String embedded in overgrown lawn - how to remove?

A tenant/previous owner of my property dumped a commercial quantity of old plants which had been tied to overhead beams with a non biodegradable string. The area is very messy with high grass and ...
3
votes
2answers
101 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....
5
votes
1answer
8k views

What is this burr covered plant (weed?)

Click photo for full size These plants are growing all around my new house. I am wondering if this burr infested plant is anything that is worth keeping or if it is just a weed that sticks itself to ...
0
votes
1answer
52 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 ...
3
votes
0answers
67 views

Possible weed identification

Good evening, This spring/summer, a plant emerged, and I'm not sure if it's a weed or not. It's grown about 3ft this year, and there are a few of the same plant within a radius of about a metre. If it'...
0
votes
3answers
48 views

How to stop weeds from growing through weed barrier without weed killer?

I put down weed barrier, then a layer of enough gravel to hide the weed barrier. The weeds are growing through anyway. I am hesitant to apply week killer, as we may want to change the land use to ...
3
votes
1answer
136 views

What is this plant growing from a pineapple plant

I have been growing pineapples in my backyard for around five years and this is the first time I have seen this plant grow from underneath a pineapple plant. The pineapple plant is from the top of a ...
1
vote
1answer
498 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 ...
0
votes
1answer
30 views

What is this tall (2-3m) plant with yellow flowers blooming in August?

Located near Chicago, IL, USA It started growing in the spring. It has grown 2-3 meters and recently (August) produced small yellow flowers. I checked the suggested similar questions but did not see ...
2
votes
1answer
110 views

What is this short plant with spiky leaves and yellow flowers that turn orange/red?

Located near Chicago, IL, USA This plant started growing around July and a month later produced some yellow flowers. It seems that the flowers turn orange when they are dying. It is about 1 foot tall. ...
3
votes
0answers
49 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
2
votes
1answer
31 views

Help identifying weed in lawn

I've got this weed that started in the far corner of my lawn, and is making its way into the middle of the yard. It's the heart-shaped plant in the picture below. I'm in the Boston area. I appreciate ...
1
vote
1answer
76 views

Please identify this pale green weed

It's an annual, growing to about 10-20 cm. It does not seem to flower, unless some of the pale green growths are petals and not leaves; but it does spread. It is easily killed with a hoe, unless it's ...
3
votes
1answer
497 views

What is this monster plant with green leaves and thick red stem?

I suspect this is a weed of some type. The stem is similar to poke weed (but thicker), and does not have the same leave shape or small flowers. I want to pull it out of my garden, but I am interested ...

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