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montana weed with white puff when it goes to seed

It is worth noting that not all noxious weeds appear to be weeds at all. Many of the weeds mentioned on this list can actually be pleasant in appearance. Many have pretty flowers or look more like a garden plant than something that will poison your horse. Many of our most problematic weeds were actually brought here intentionally by early settlers of this land to be planted in gardens and flower beds. The State has designated these plants as noxious weeds because they are invasive, not native, and toxic. That being said, there are also many detrimental native species that you should also consider trying to control. It is because they are native though that they cannot be put officially on the designated weed list. This is not a complete list of all the Noxious Weeds in Montana. It is a list of the ones we find commonly in Southwest Montana. For a complete list you can go to your County Weed District for a booklet. Please use this list to identify possible problem plants on your property. If you are unsure on any species you might have or have identified a certain species and would like to discuss control options please don’t hesitate to call for free estimates and consultation.

This is a plant that you either love or hate. At one time, people actually used clover as a lawn “grass.” It can be considered an indicator of low soil fertility. It has the ability to produce its own nitrogen on nodes that grow on its roots. It is a perennial plant that reproduces by stolons and seed. The flower is favored by several species of bees. It is another one of those difficult to control weeds that requires multiple applications for complete control.

Our weed identification guide continues with Virginia Buttonweed, which is probably the worst weed in the South and Southeast regions, but it can survive as far north as southern Pennsylvania, Ohio, Indiana, and Illinois. It is a prostrate-growing perennial weed that can form large patches in home lawns, choking out the desired grasses. It mainly reproduces by seeds, but a new plant can grow from plant segments that are left behind from mowing or hand pulling.

Dandelion gets its name from the shape of the flower; it resembles the face of a lion. The most hated part of this weed is the white puffball seed head that it produces after it has flowered. Actually, the flower itself is somewhat attractive, and once it has bloomed and produced seeds, it is somewhat inconspicuous in a home lawn – unless you have a lot of them. Dandelions are perennial plants and can germinate from the numerous seeds that are spread by the wind.

6. Dandelion

What are the worst weeds to have in your lawn? That is a difficult question to answer for the entire country, as certain weeds grow better in some areas than others. There are a few that seem to grow just about everywhere, so for now I’ll discuss them—and how to control them—in a brief weed identification guide. These are listed in no particular order, except being the ones I thought of first.

You either love them or hate them. It does have a pretty flower that can range in color from white to blue to purple. This weed prefers cool, moist shady areas, but will tolerate full sun. The difficulty in controlling this weed is its extensive root system. It has a deep taproot as well as the ability to produce above-ground roots called stolons and below-ground roots call rhizomes. Violets are extremely difficult to control and require multiple applications of broadleaf weed control products. The best time to control this plant is in the fall, after the first frost.

Ground Ivy is pretty easy to identify. It is a creeping winter perennial that can send its stolons snaking out through a lawn. This is where it gets some of its more common names such as Creeping Charlie or Creeping Jenny. It also likes moist, shady areas, but can grow in the full sun. Just like Wild Violets, it is very difficult to control, needs multiple applications, and is best controlled in the late fall.

There are literally hundreds of weeds that can grow in home lawns and I have just included 7 in this brief weed identification guide. The weeds that I listed can be found throughout the country with the exception of Virginia Buttonweed. The definition of a weed is “a plant growing out of place,” but you have to be the one that decides what “growing out of place” means to you.