suggest some reasons a plant might be categorized as a weed?

Question

Poor asthetics, poor odour

Answer 1

Its growing where you don't want it or it's very invasive. Could be it changes the eco-system for native plants.

Answer 2

According to Webster (paraphrased), a weed is any plant that is growing where it isn't wanted. Therefore, a rose could be a weed if it's growing somewhere it shouldn't. However, we typically consider plants weeds when they present themselves as a nuisance. For instance, they multiply faster than we can get rid of them, or the stems grow back if you don't get rid of all the root, etc. Some plants that we consider weeds once had a place in medicine and the kitchen. Consider the dandelion. Most people spend a lot of money to get rid of this plant. But did you know that the leaves are edible? My wife's grandmother used to collect them and mix them with vinegar (I think it was) and cook them and make greens.

A plant might be considered a weed if it's flower isn't pretty, grows unmanageably, smells bad, reseeds or spreads noxiously... any and all of these reasons. Most of the time a plant is considered a weed simply if you don't like it. There's really no deffinite criteria for whether something is a true weed.

Another example, the 'weed' commonly known as plantain. It's a broadleafed plant that grows in the yard, low to the ground, often below the level of the mower blades. During the summer, it sends up it's flower stalks. Green, plain, and rather unattractive. It's considered a weed and is usually killed by most lawn treatment herbicides. But did you know that most people have a close relative of this plant in their yard and don't realize it? Yep, you might too... the humble Hosta plant. It's a member of the same family. As a matter of fact, a coommon name for the Hosta is plantain lilly.

Good question. But a weed is a weed only if you don't like it.

Answer 3

Ok. I have to tell you. I categorize all my weeds as plants. It cuts down on the weeding. Just joking.
a weed is any plant in an environment where it does not belong
The second definition of weed, though, is simply a plant where we don't want it to be
one person's aggravating WEED could well be someone else's wildflower. The dandelions we so universally despise in our well-manicured lawns might just be the salad in someone else's dinner, and perhaps purposely grown for that reason.

Answer 4

Many plants that grow in an area without the benefit of being planted are considered weeds. They need no care or special food to flourish. I have heard an explanation that states, "If you pull on it and it comes out easily, it's a good plant but if it breaks off or cannot be pulled out, it's a weed". A little overzealous but has merit.

Answer 5

Any plant can be called a weed if it chokes out other vegetation and is hard to get rid of. I have goutweed (sold as a garden plant in my area) growing in my garden and I really wish the former owners of my house had left it out. It crowds the rest of my garden if I'm not vigilant plus no matter how much I dig I never seem to get all the root.

Answer 6

I have dandelions in the back of my yard, but I don't consider them weeds because I harvest them for tea and medicinal value.

On the other hand, we have invasive morning glory and English ivy which are weeds because they overgrow our property and the Ivy strangles and kills trees in the area. Every time I see these plants, I want to stop what I'm doing and extract them.

There are species of plants that are extremely poisonous and should not be allowed in residential areas: Poison Oak, Poison Ivy are the most common.

A plant may be a volunteer, but that doesn't make it a weed.

Answer 7

The bottom line defintion of a weed is a plant that is growing in an unwanted area. An oak tree can be a weed if growing in the middle of a farmers field.

Ex: A customer yelled at me because I killed her pumpkin vine. It was growing in the middle of her front yard (not in a bed of anykind). I gave it a definition of a weed and sprayed it. She did not give it a definition of a weed because she wanted it there.

Answer 8

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Answer 9

The definition of a weed: is any plant grow out of place.

Answer 10

My father used to say that a weed was just a plant growing in a place you didn't want it.

Answer 11

Several years ago the prarie weeds were considered just that, weeds. Now we plant "prarie grasses" and protect them. Violets are considered weeds by some people, and other people plant them purposely.