Using Herbicide In Gardens - When And How To Use Herbicides

Herbicides Being Sprayed Onto Plants
(Image credit: Fokusiert)

There are times when the only way to get rid of a stubborn weed is to treat it with an herbicide. Don't be afraid to use herbicides if you need them, but try other control methods first. Pulling, hoeing, tilling, and digging will often take care of weed problems without the need for chemical sprays. Let's learn more about using herbicide in gardens.

What are Herbicides?

Herbicides kill plants or prevent them from growing. Their method of killing plants is as varied as the plants they kill. The first step in understanding herbicides is to read the label. Labels tell you how to use herbicides safely and effectively. It is illegal to use herbicides for any purpose or by any method other than as indicated on the label. Go for organic or use corn gluten. Here are some tips to help you use herbicides safely and effectively:

  • Avoid using herbicides on windy days and near bodies of water.
  • Always wear a protective mask, gloves, and long sleeves.
  • Make sure children and pets are indoors when you spray herbicides.
  • Buy only as much herbicide as you need and store it in a safe place, out of the reach of children.

Types of Herbicides

Herbicides can be divided into two main categories: selective and non-selective.

  • Selective herbicides kill certain types of weeds while leaving other plants unharmed. The herbicide label lists the target weeds as well as garden plants that are unaffected.
  • Non-selective herbicides, as the name implies, can kill almost any plant. Selective herbicides are useful when treating weeds in lawns and gardens. Non-selective herbicides make it easy to clear an area when starting a new garden.

Selective herbicides can be further divided into pre-emergent and post-emergent herbicides.

The type determines when to apply an herbicide. Pre-emergents are usually applied in late winter or early spring, while post-emergents are applied in spring after the weeds begin to grow. When using herbicide in gardens, take care to protect the plants you don't want to kill. If you have identified your weed, you may be able to find a selective herbicide that will kill it without harming garden plants. Again, go for organic methods if they are available.

Note: Chemical control should only be used as a last resort, as organic approaches are more environmentally friendly.

Jackie Carroll
Writer

Jackie Carroll has written over 500 articles for Gardening Know How on a wide range of topics.