Use this tag for questions that ask "what is this thing?" Pictures are helpful, as are descriptive titles. When you get an answer, consider adding a further tag (for the flower, tree, beetle etc that has been identified) so that your question is cataloged correctly. If the question is about ...

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45
votes
9answers
77k views

How do you identify a plant?

I'm pretty new to gardening and landscaping. Having recently bought a house, one of the things I'd like to be able to do is identify the trees and smaller plants that are on the property so I can ...
1
vote
2answers
309 views

Help identifying this plant?

I honestly have no idea what this plant is. It seems to be some type of vine. I took a few pictures i will put below. As you can see there is some other plant growing in the same pot with the long ...
10
votes
1answer
571 views

What is this fast growing plant with blue/black berries?

In my garden a strange plant is growing at an incredible speed and I can't identify what kind it is. It broke through end of June and within two months it grew about 1.8-2.0m high. It now carries ...
9
votes
2answers
1k views

What is this plant with long sharp leaves? Is it a weed?

In my garden I have several of the plants shown below. At first I thought it is a weed, but then it was quite robust against cold weather and continued to grow slowly: The leaves are long and sharp, ...
1
vote
1answer
617 views

What is this houseplant with large waxy leaves and a reddish base?

I have a problem with my house plant that I want to research on the net about what may have caused it and how to prevent it. The problem is I have no idea of the name of the plant. It looks like ...
15
votes
5answers
9k views

What are these hard white/brown spots growing on my houseplant?

A little more then an year ago I got six palm trees (two vases). It was the Californian equivalent of an Areca palm (the guy in the nursery suggested this one after I asked for an Areca for its air ...
15
votes
5answers
2k views

What is this vine-like weed and how do I kill it?

I have a viney weed growing in my yard. Weed and Feed doesn't seem to affect it. It's slowly spreading to more and more of my yard every year. What is it, and how do I kill it?
4
votes
1answer
197 views

Is this poison oak?

Here is a picture of a plant from a forest in Northern California. Is this poison oak? I’m guessing it’s not, though it does have leaves of three and a slightly longer middle stem. Can an expert ...
3
votes
1answer
432 views

Can you identify this small, formerly flowering houseplant?

I received this plant as a gift. It had flowers, but they have long since vanished. The plant seems to be doing fine- it's been putting out new leaves, and it's been six months. I recently moved it ...
6
votes
3answers
2k views

How can I get rid of this vine-like weed with small rounded leaves?

I've got the weed shown here all in my yard, and no one can tell me what it is or how to kill it. What is this and how do I get rid of it? Click any photo for full size
6
votes
4answers
2k views

Identifying Broad-Leaf Plant/Weed

I'm in the process of systematically removing all the weeds from my backyard -- starting with dandelions and thistle. All of a sudden, this thing sprouted in the middle of a bare patch. What on earth ...
5
votes
2answers
1k views

What is this succulent weed?

This guy has been growing like gang busters in a newly planted bed of ground covering sedums. It's actually kind of a nice ground cover but based on its rate of spread and the fact that I didn't plant ...
5
votes
2answers
362 views

Can anyone identify this weed with jagged leaves and tiny white flowers?

Here is the image: It grows in the Northeast USA in poor soil. A bit invasive but pulls out easily. I have an idea of what it is but would like confirmation. Does not smell or taste herbaceous. ...
5
votes
1answer
258 views

What is the medium-leaved, thick-stemmed plant?

This plant was at the end of driveway, getting tossed by a previous owner. I'd like to care of it but I have zero idea what it is. Does any one know a likely candidate?
5
votes
3answers
2k views

What is this purple flowering ground cover? [duplicate]

We bought a house in the winter and once the snow cleared and things started growing, we noticed this low laying plant covering large sections of our lawn. It is mostly in the very shady areas and ...
4
votes
1answer
320 views

What is this vigorous plant [duplicate]

I've been pulling these all summer but this was the first one that made me pause - the roots were very rhizome-y? Wondering if this is a weed or something that may have been left there by the ...
4
votes
1answer
168 views

What is this 2' high plant with curved spikes of white flowers, growing in eastern Massachusetts?

Please identify this plant. It is about two feet tall and thriving in the shade of large trees near the edge of a small street.
4
votes
1answer
227 views

What is this fast growing plant and should I rip it out?

So we planted a big new garden, and I think my wife sprinkled some assorted seeds (possibly wildflower?) and now we have three huge plants growing that don't seem to either produce flowers or ...
2
votes
2answers
160 views

Received a plant; need help identifying it [duplicate]

I recently inherited this plant, and am not sure of what type of plant it is or what its needs are (as far as watering, light, temp, etc.). Any help in either respect would be greatly appreciated. ...
1
vote
1answer
210 views

What is this houseplant with variegated leaves that thrives growing in water?

A friend who was moving away left it with me; he had no idea what it is. It's currently growing in a glass mason jar of water - and has grown to an impressive size doing so - and I'm trying to figure ...
19
votes
4answers
13k views

How can I tell if a plant given to me is patented?

Sometimes, I receive an unlabeled plant start from a friend, and they do not know if it is patented. If I want to grow and sell a plant in question, is it okay to just take the chance, or is there a ...
13
votes
4answers
802 views

Does anyone know of a somewhat comprehensive plant database available online?

As a gardener I've found that doing some paperwork while gardening really assists in keeping things organized and on schedule. It occured to me the other day as I stopped to check my beeping phone ...
12
votes
2answers
7k views

How can I identify an apple variety?

We put in four young apple trees a few years ago, two cookers and two eaters, four different varieties. Now that those puny trees have grown up and started to produce a substantial crop, we're ...
7
votes
1answer
2k views

What is this weedy grass and how can I control it?

I have a grassy weed with flowering seedheads at the top. What is it and how do I get rid of it in my yard?
11
votes
2answers
277 views

Hexagonal bush?

I have seen the pictured bush today when hiking around Las Palmas de Gran Canaria. From a distance, hexagonal patterns are visible: Adjacent branches grow in an almost perfect 45° angle relative to ...
6
votes
2answers
1k views

What is this (allegedly) mosquito-repellent trailing plant with dark green heart-shaped leaves?

I was given a plant a while back that I was told repels mosquitoes: The little I know about it: it has dark green heart shaped leaves that grow up to about 3½" wide by 4½" long (9cm ...
11
votes
2answers
3k views

What are the teeny tiny white bugs on my tomatoes?

The bugs are exceptionally small. I've included a video here. It may be related to the stretched and disfigured appearance of my tomatoes.
10
votes
1answer
411 views

Is this beetle on my apricot tree a pest?

My apricot tree is infested with black and white beetles on the branches. They are 2-3 cm / 1 inch long. I can't find an identification on the web. There is no visible damage to the tree. Is this ...
10
votes
4answers
410 views

Do clovers cause any problems?

I have a lot of what I think is Clover in my garden. Should I be concerned?
9
votes
2answers
713 views

Can anyone identify this abnormality that is on my dwarf citrus?

I recently noticed what looks like small beetles on our dwarf citrus tree. Can anyone identify this abnormality? Click image for full size Is this something harmful that I should attempt to ...
9
votes
1answer
1k views

What is this plant with red, green and yellow colored leaves and little white flowers?

I'd like to get a hint to identify the beautiful plant with red, green and yellow leafs in the picture below. The color of the leaves has been like that since the plant has been there (at least since ...
9
votes
1answer
370 views

What kind of chili turns brown and shrivels when ripening on the plant?

I have a few of these chili plants growing and they produce a longish (approx 4", sometimes curled chili that turns brown and begins to shrivel (slightly) when it ripens. It does not transition to a ...
8
votes
2answers
433 views

Is this plant Giant Hogweed?

In getting our spring landscaping underway, we've run into a bush that a family member is sure that this plant (pictured) is Giant Hogweed. Click photo for full size British Columbia considers this ...
7
votes
3answers
260 views

What is this weed and how can I eliminate it?

I live in Nova Scotia, and I have been fighting with this weed for at least 7 years. It is in my flower garden. I have gone so far as to try to follow each of the white roots though the soil and ...
7
votes
1answer
755 views

What's the name of this plant that has large, broad leaves with white spots?

I have this plant at home and I need to know its name so I can better take care of it. Here is a picture of the plant.
7
votes
2answers
530 views

What is this weed in my lawn and how do I control it?

I have this stuff growing throughout my yard. I live in Southern NJ, USA. It seems to only appear Mid/Late July - August. It grows in patches and if I don't pull, can spread pretty rapidly across ...
6
votes
1answer
311 views

Are both of these patches crabgrass?

I have what appears to be, two types of crabgrass growing. One with thicker, longer, higher blades. Another with skinnier, shorter blades. I have seen the "real crabgrass video", but still not able ...
5
votes
1answer
410 views

What is this native North American ground cover?

Oops, planted it and lost the tag. It's growing quite happily in zone 5A (USDA zone 4) in light shade and clay soil.
5
votes
2answers
190 views

Plants like chimney sprouting in Iran - what are they?

I see some plants like chimney grows behind my sunflowers that you can see in picture: location:western foothills of Iran What are these and should I remove these from garden?
5
votes
1answer
289 views

Can someone identify this Bonsai tree?

I was hoping someone would be kind enough to identify this tree for me. I want to properly care for it and I think identifying it would be a good first step. Any help on this would be appreciated, ...
4
votes
1answer
55 views

How to distinguish between Elaeagnus umbellata and E. multiflora?

(This is a follow-up to this identification question). How can one distinguish between Elaeagnus umbellata and E. multiflora? I see some minor differences in the descriptions e.g. on Wikipedia, but ...
4
votes
1answer
309 views

What is this white-and-purple, five-petaled flower?

What is the name of this plant? The picture was taken in Central Europe this September. The plant is more than 50 cm high and grew from seeds in a single season.
4
votes
2answers
167 views

What is this small shrub with small red berries, and lanceolate, alternate entire leaves?

This shrub is: found growing wild in a field in New Hampshire, USA; USDA Zone 5 about 1m (3') tall alternate, smooth edged, ~6cm (2.5") long leaves growing on a hillside in gravelly, acidic (pH ~5), ...
4
votes
1answer
193 views

What is this pink/lavender flowering shrub?

The previous home owner has planted these in my backyard in Austin, Texas. They are blooming currently. What are these beautiful flowers?
4
votes
5answers
335 views

What are these 3' to 5' tall plants from my new back yard, and how should I remove them?

I just moved into a new apartment (in Brooklyn, NY) with my own backyard. My girlfriend and I are very excited. However, my backyard is overgrown with that vine-looking-green-stuff. My current plan ...
4
votes
1answer
375 views

What plant is this and what do I do with it?

I now work at a new desk and inherited this plant. Click to enlarge. What is it and what can I do with it (to fix it or trim it)? Indoors, no sunlight. I am not a gardener :)
4
votes
1answer
199 views

What is this tropical-style houseplant?

I am not at all trained in identifying plants. I've tried the tips from the question: How do you identify a plant?, but I have no idea what kind of group or family this plant belongs to, so starting a ...
4
votes
1answer
331 views

What is this flying insect?

I found another strange insect flying around in my garden today that I'm hoping to get identification on. This website: ...
3
votes
1answer
68 views

Can this tree be an eucalyptus tree growing in Central Europe?

I have this tree in my garden. The previous owner, who planted it, told me it is a kind of eucalyptus. When rubbing a leave between the fingers it indeed has the smell I know of eucalyptus-sweets. 3 ...
3
votes
1answer
99 views

Can someone identify this honeysuckle plant by the flowers?

Click for original picture context Can someone please tell me what type of honeysuckles these are?