Questions tagged [weeds]

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

3
votes
0answers
88 views

Does anyone know what plant this is?

I have this plant growing in my garden. I am wondering what plant it is It's not tall. probably like 1-2 inches. The roots are not deep. But it's almost like a creeper.
6
votes
1answer
54 views

Green-brown mass under roses

Please help me with identification of this green-brown mass in my garden. It looks rather like slimy, part-rotted fruit, but I have noticed it under roses in both spring and autumn. Is it a weed or ...
1
vote
2answers
260 views

Control of Hyacinthoides hispanica (Spanish bluebell) in an established landscape

We have several well established beds that are infested with Hyacinthoides hispanica (Spanish bluebell). For a variety of reasons I am unable to dig them out or use "petrochemicals" like RoundUp so I'...
2
votes
2answers
69 views

What is this most likely weed, though with interesting foliage color?

What is this most likely weed, though with interesting foliage color? The only specimen in my yard, growing under a mespilus tree. The flower is NOT of this plant, but the photo is for stem details: ...
4
votes
1answer
318 views

What is this succulent/weed growing on my lawn?

We've had it growing in our backyard lawn for a while and the patch gets bigger every year. Its definitely in the succulent family but I can't find any other information on it. We live in West ...
4
votes
1answer
142 views

What is this terrible-looking hairy plant with maybe nice flowers?

What is this terrible-looking hairy plant with maybe nice flowers? Its height is 25cm/1ft, this is the only specimen in my yard, it could be non-invasive, but it looks no beautiful to me, so I will ...
3
votes
1answer
341 views

What's this white flower?

Growing in my garden in Wellington, NZ where it's now autumn.
2
votes
2answers
889 views

What is this invasive plant with with small purplish flowers that have lids? [duplicate]

What is this plant/weed with with unusual purplish flowers and new growth leaves? Flowers have "lids". Its habit is similar to white clover's fill-the-space habit, and it took over significant parts ...
5
votes
1answer
620 views

What is this (probably) weed with nice fern-like foliage?

What is this (probably) weed with nice fern-like foliage? A detail from the top right of the second photo, where the stem of a plant in the background that appears to be the same species is visible: ...
3
votes
1answer
89 views

Texas weed identification

I live in central Texas and have a serious infestation of this weed... I'd like to know what it is so I can buy the right kind of herbicide... I tried searching google images with this, but nothing ...
4
votes
1answer
103 views

What is this low-growing weed with narrow stems and yellow flowers, and how do I exterminate it?

My lawn is "Blue Couch" (Digitaria didactyla). It's a pretty hardy grass and tolerates most weed killers that you can use on couch grass (Cynodon dactylon, Bermuda). What is this creeping weed that ...
5
votes
2answers
92 views

What is this strongly scenting ground covering weed?

Here is a weed I gathered the seeds from last year. It had bloomed on a Mediterranean island, Corsica, up in the mountains (around 2000 meters above see level, I believe snow covered 2-3 months pour ...
3
votes
3answers
123 views

How do I reliably deactivate weed seeds that I've gathered?

There's a number of Sosnowsky's hogweed (Heracleum sosnowskyi) plants which have blossomed a while ago and now they are standing with dry seeds ready to be spread by wind. Suppose I gather the seeds (...
5
votes
1answer
191 views

What is this large leaved young tree (US midwest region)?

What is this plant, and maybe more importantly, how big could it get? I like the large leaves (they're approx 18" wide) but will have to cut it down if it plans to get too large.
4
votes
0answers
58 views

What is this ground cover weed similar to Galenia

What is this ground cover weed similar to Galenia? It seems to grow in the same environment and it has a blue tone to its leaves compared to galenia. Galenia has a semi-succulent leaf, whereas this ...
1
vote
1answer
39 views

Looking for exact name of Grass weeds [closed]

Hello I am working on grass weed detection. I have captured three different types of weeds from my Univ lawn. But I want to know the name of those weeds.
6
votes
1answer
240 views

What is this rambling/climbing plant with small leaves?

It's grown up my unused bench and I think it actually looks pretty. Is it dangerous, noxious, or uncontrollable? It's been there for almost a year and hasn't flowered. It grows up trees (I try to cut ...
4
votes
1answer
320 views

How can I control umbrella grass?

How can I get rid of my umbrella grass (papyrus, Cyperus alternifolius) completely? Will glyphosate kill it? Or do I have to dig it out? I've cut it to the ground. It was taking over too much space.
8
votes
1answer
1k views

Identification - Plant growing next to my bonsai?

I bought a bonsai (exterior one) some weeks ago and a plant is growing just next to it. I have some questions about it. Is someone able to identify what kind of plants it is ? Is this plant can ...
4
votes
1answer
121 views

Identification of white flower with four petals

Just wondering what this is. Found it in an old pot out back and not sure if I should toss or save. TIA
4
votes
2answers
116 views

Identify a Pennsylvania weed with alternate lanceolate leaves

Can anyone identify this weed? I am in western Pennsylvania and would appreciate knowing if it needs to be eradicated.
6
votes
3answers
514 views

What are these weeds and how can I get rid of them?

I am in Scotland and my garden was landscaped just over a year ago. At that time the soil and plants in my flower beds were brought in for the first time, before that there was just grass everywhere. ...
7
votes
2answers
204 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, ...
4
votes
2answers
65 views

Can I Combine Pre-emergents

Some pre-emergents are good for stopping things like crabgrass and annual rye-grass (e.g. Halts) while others are better/made for broad-leaf weeds like dandelion and clover (e.g. Gallery). Question: ...
4
votes
2answers
670 views

How do I eradicate Devll's walking stick (Aralia spinosa)?

I live in Philadelphia, Pennsylvania, and my backyard has been invaded by Devil's walking stick (Aralia spinosa). I've been told by landscapers that the only way to eradicate it is to cut it and to ...
4
votes
1answer
222 views

Is this poison sumac?

Was just pulling this stuff out of the ground all over my back yard, and then got suspicious about the red leaves.
16
votes
2answers
3k views

What is this plant in my lawn?

When I mowed my overgrown UK lawn yesterday, I noticed a network of thin vines. There was also less grass in these patches. I looked and found the leaves of this plant in the areas I hadn't mowed yet. ...
2
votes
0answers
478 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 ...
7
votes
2answers
398 views

What is this weed and how do I kill it without killing the grass?

What is this weed and how do I kill it without killing the grass? I've tried different brands of the usual spectrum herbicide that kills everything but doesn't kill grass, and everything - like ...
3
votes
2answers
572 views

What is this weed with purple flowers?

my garden is full of these plants (weeds) and I'm wondering what are they. The purple flower (small bit that attaches to the plant) is a bit sweet in taste. Location: Moldova (Eastern Europe), it ...
5
votes
2answers
131 views

What plant is this? A weed?

I just moved into a new house and have a couple of these in the back yard. Not sure if it is a weed or an ornamental. Anyone recognize it? Bay Area, CA (usda zone 9a/b)
3
votes
2answers
263 views

Which backpack sprayer (stainless steel vs plastic wand) to spray acidic solution to kill weeds?

I am debating which Chapin backpack sprayer to buy. The major difference between Chaptin 61900 and 61800 (see bottom of the page for comparison) is that 61900's wand is stainless steel. I am planning ...
5
votes
1answer
199 views

Is this a weed or an ornamental plant?

We think it showed up one year later than it was supposed to My wife planted some bulbs and not all of them turned into a plant the year before. We do not know if it is a weed or one of her bulbs
10
votes
3answers
14k views

What do I do once my weeds turn brown?

I put down some spray Ortho concentrate weed killer almost 2 weeks ago. Now many of my weedy areas are turning brown and look like they are drying up (grass still looks ok). What do I do now? Will ...
4
votes
1answer
2k views

What weed killer should I use before laying a new lawn?

I have been working on my garden and had to remove trees, bushes, and the old lawn. I am starting to see new shoots coming through the soil. What weed killer do I need before I lay a new lawn?
5
votes
1answer
95 views

What is this plant found in Arizona that grew to 4 feet tall in a few months?

This plant started growing this spring in my back yard in Arizona. It is now a few months later and the plant is about 4 feet tall. Can someone tell me what this is?
7
votes
2answers
6k views

What weed covering should I use under my mulch?

I am about to lay down new mulch in a flower bed for a customer, where weeds are highly prone to growing. I will also be weeding this flower bed throughout the year. My question is, what type of weed ...
6
votes
3answers
1k views

What kind of plant is this? It has maple-like leaves but is a fast-growing weed

I've scoured the internet but cannot seem to identify this plant. It is growing in the Southeastern United States and is around 3 to 4 ft high. It grows fairly quickly, so I assume it's some kind of ...
5
votes
1answer
137 views

Is this a weed or vegetable

I have this plant growing in my raised bed that I did not plant. Is this a weed or a useful vegetable plant? Need help identifying the plant.
5
votes
3answers
779 views

What is this lawn weed with whorled leaves found in New Brunswick, Canada?

I had new sod laid in July '15. I noticed a few of these weeds in Summer of '16. Now, in Spring of '17, there are clumps of them all over my lawn. There are none in my neighbor's or at the side of ...
3
votes
2answers
129 views

Grassy weed with seeds on spidery stalks

I have a weed growing in my yard that is distinguished by its spindly seed stalks with individual seeds at the ends of branching fingerlets. It grows in distinct clumps. In the picture below, note the ...
5
votes
7answers
3k views

Paver bricks — handling weeds without bad chemicals

I have paver bricks with this cracks between each brick and weeds. Handling the weeds is a challenge for my wife and I. Any suggestions? Our strategy now is: hand pick the weeds use a power washer ...
5
votes
1answer
756 views

What is this low-growing lawn weed with small white flowers in Massachusetts?

Can anyone help me identify this? It's popped up in my lawn in early spring. I live in Massachusetts and this thing is everywhere. It covers the ground so well, I'm afraid it'll keep grass from coming ...
2
votes
3answers
7k views

Getting rid of spikey ball weeds

There is a weed in my backyard that generates little brown balls with spikes on them. The balls are probably less than 1cm in diameter. See picture. Here are my questions: 1) What is the name of it?...
5
votes
2answers
401 views

Is this a weed growing in my old tomato plant pot?

Last year I had a tomato plant in this pot, which I cut back at end of the season when it died. In the pot now this is growing. Is this a weed?
2
votes
1answer
276 views

Is this an undesirable grass or a weed?

I have some patchy weird grass or weeds growing on my lawn. You can see in a few places in the images below: Picture 1: you can see the longer wider grass blades scattered here. What is this? A ...
4
votes
1answer
555 views

What is this variegated low-growing plant with purple flowers, and how do I get rid of it?

I'm not even sure this is considered a weed, but it seems to be taking over a flower bed, so, I'll treat it as one. On my neighbors' front garden, it completely took over. The ground is somewhat ...
3
votes
1answer
694 views

What is this grassy weed?

I live in the Nashville, TN area, and I've noticed a particular type of grassy weed starting to pop up in my lawn, now that it's March. I'd like to identify it so that I can learn how to prevent it ...
4
votes
3answers
102 views

How should I remove the wild greenery in my pots before transplanting flowers or herbs?

I have five big concrete pots with soil in them. Some have wild greenery of some kind and the others have moss. Should I just till the soil and turn the surface over, or should I do something to ...
9
votes
1answer
282 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.