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10 Most Common Weeds And How To Control Them

An important part of maintaining a commercial property is landscaping. Although you may do your best to cultivate attractive flowerbeds and grasses around the property, invasive weed growth is something that infects all green spaces. The best thing to do is to invest in commercial weed control services. If not properly controlled, weeds will spring up without notice and ruin the look and health of your landscape.

Most Common Weeds And How To Control Them

Below are the ten most common weeds that grow on commercial properties. Some look like traditional flowers, and you may not even realize that they are harmful plants looking to destroy your beautiful landscape. Furthermore, certain weeds are toxic, and therefore require the professional services of a commercial weed control company.

  1. Annual Sowthistle (Sonchus oleraceus): Although it has “annual” in its name, this weed is actually perennial. It spreads by seeds and can reach 18 inches in height. Annual sowthistle flowers from July through October.
  2. Canada Thistle (Cirsium arvense): This perennial weed spreads through seeds and rhizomes (a mass of roots). Canada thistle can reach heights of five feet and shows up from July through October.
  3. Common Cocklebur (Xanthium strumarium): Spreading through seeds and flowering from August through October, this annual weed grows up to four feet.
  4. Common Purslane (Portulaca oleracea): Common purslane flowers annually and its stems can grow up to 14 inches. Like most weeds, it spreads by seeds, and it sprouts from August through October.
  5. Common Ragweed (Ambrosia artemisiifolia): From July through October, you’ll find common ragweed. It can grow to heights as tall as three feet and spreads through seeds. This weed is also known to cause allergic reactions and hay fever through its pollen.
  6. Crabgrass (Digitaria species): Appearing in the mid-spring all the way through summer, crabgrass is an annual weed that spreads through seeds. This weed only requires a little rainfall to sprout and can grow to more than two inches.
  7. Dandelion (Taraxacum officinale): Growing up to 1 foot in height, dandelion can flower at any time as long as temperatures permit. This weed spreads by seeds, and the young leaves are actually edible.
  8. English Daisy (Bellis perennis): Reaching 3-6 inches in height, English daisies (also known as lawn daisies) are more common in the spring and early summer before the temperatures soar. Although they may look like flowers, they are actually weeds.
  9. Poison Ivy (Rhus radicans): A perennial weed that flowers in May and June, poison ivy also causes allergic reactions if touched. It appears as a vine or shrub and spreads by creeping rootstock.
  10. Redroot Pigweed (Amaranthus retroflexus): This weed spreads annually through seeds and can grow up to 6 feet. Redroot pigweed appears between July and November.

Weed Control: What You Need to Know

The aforementioned weeds need to be taken care of before they ruin your landscape. Commercial weed control techniques are required to rid your garden of these intrusive pests.

Pulling

If you are able to pull weeds, roots and all, directly from the soil, you should be able to remove them. You will need to wait until the soil is wet, and you must be careful to grasp the weed by the root as close to the soil line as possible, in order completely remove it and keep it from growing back.

Corn Gluten Herbicides

These are powdered herbicides that are made out of corn gluten. They are effective on crabgrass and keep it from germinating. Do not use corn gluten on newly seeded lawns because the herbicide will prevent the flowers and plants you actually want from growing properly.

Cultivation

In order to cultivate weeds, you will need a hoe or tiller. Once weeds have their roots cut or tops mangled, they will die. Cultivation works best when you slice weeds when the soil is dry and only cultivate the top 1-2 inches of soil.

Mulching

This is a technique that, if done correctly, can act as a weed barrier and prevent them from growing altogether. The mulch needs to be more than two inches thick in order to keep weeds from germinating. When mulch (especially organic mulch) is spread, it stops weed growth by blocking sunlight and locking moisture into the soil.

Overcrowding

A great way to reduce weeds is to overcrowd your plants. When plants grow closely together they take up the necessary room needed for weeds to grow. Simply put, when you limit the amount of space available for weeds, you limit the number of weeds that can grow.

Flaming

Weeds require a small burst of flame to be killed. You will need a flamer, which is a portable gas torch that produces intense heat. However, toxic weeds like poison ivy cannot be burned because the fumes are harmful.

The most effective way to keep weeds at bay is to take advantage of commercial weed control services. These services, offered by professional landscaping companies, limit the effort required on your part. Companies that offer weed control for commercial properties take care of adding mulch, planting new foliage, flaming and creating barriers that keep weeds away.

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