Garden Inspire
Garden Inspire
  • Hometalker
  • Bountiful, UT

Organic Weed Control

Who doesn't have weed problems? There are some things that can be done to prevent weed problems before they get overwhelming without resorting to typical yard chemicals.
Certain types of weeds can indicate problems with your soil which if corrected may eliminate or reduce those types of weeds. Visit
Pre-emergent (prevents germination of seeds): corn gluten meal, sold under various brand names, has been shown to prevent seed germination as well as the chemical products sold for this purpose. Corn gluten meal should be applied in the cool of spring (when daffodils are blooming) and for even better control again in the cool of fall. It is safe and will add some nitrogen to your soil. Avoid using on newly seeded areas or just before seeding. It may be necessary to wait six weeks before planting seeds but plants can be planted at anytime.
When weeds are small scrape the soil with an action hoe, stirrup hoe, or Winged Weeder. This cuts the weeds off right at soil level either killing or weakening the weed. Many will not grow back. Unlike hoeing or tilling, this method also makes it less likely that you will be bringing buried weed seeds to the surface where they will begin to grow. For weeds that do grow back just cut them off again and again and many will die.
Organic weedkillers are available containing vinegar or soaps, and homemade weedkillers can be created by combining white vinegar with a small amount of essential oil of clove and dish soap. These weedkillers can kill plants on contact so avoid spraying desirable plants. They work best when applied on a sunny day at temperatures between 60 F and 85 F.
A newer weedkiller containing iron kills broadleaf weeds in lawns and works well on dandelions and other common non-grassy weeds. These weedkillers are rain safe in 3 hours which is another advantage over typical lawn weedkillers. Iron X from Gardens Alive! And EcoSense by Scotts are two that are available.
Do not let weeds go to seed. At the very least remove flowers or flower buds and dispose of them in the garbage.
Plant in raised beds to make weed control easier. See
Mulch! Mulching with compost, bark, straw, or leaves adds organic matter to improve your soil and covers weeds and weed seeds which will kill some and prevent others from germinating. Compost on the lawn (just an inch) will improve soil and cover weed seeds to prevent some weed seeds from growing. Thicker layers of compost (3 – 4 inches) may kill covered weeds completely in flower and shrub beds. This works especially well when creating a new bed. For existing beds keep mulch at least 3 inches away from trunks of shrubs and trees.
Avoid leaving ground bare. Bare soil will be filled by nature if not by you. Get an area planted and/or mulched to avoid weeds from filling the spot. Groundcovers can fill areas between plants or large areas by themselves.
Plant the right plants in the right area to keep them healthier and so they can better compete with weeds. If a plant prefers sun, that is where it will do best.
Avoid or reduce tilling. Tilling can chop some weed roots into smaller pieces and spread them.
Most lawns should be mowed to 2 1/2 to 3 inches which helps the lawn compete better with weeds and will shade out weed seeds.
Weeders including the Weed Hound remove the weed along with the root and are easy to use even for older children.
Hens&Chicks - groundcover for sun
Winged Weeder, Sprayer, Weed Hound

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Have a question about this project?

3 questions
  • Haymur
    on Feb 18, 2019

    Doesnt corn meal attract rodents?

    • Renee
      on Feb 19, 2019

      No. Spread it, water it in just like you would do with grass seed

    • Renee
      on Feb 19, 2019

      sorry corn gluten meal ( buy online), not what you buy at grocery store.

    • Beuna T
      on Feb 19, 2019

      In the many years I have used corn gluten meal it has never attracted rodents

  • Mary Muckle
    on Feb 18, 2019

    I have totally perannials, how can I kill the weeds without killing the plants?

    • Renee
      on Feb 19, 2019

      This doesn't kill weeds it stops them from sprouting. Use heavy around your grown plants or nex transplants to stop new growth.

    • Beuna T
      on Feb 19, 2019

      Corn gluten meal does not harm existing plants. In fact, in provides some nitrogen. For control of existing weeds use other methods for weed control mentioned in this article. Do not use any sprays mentioned in the article because you will kill everything.

  • Annmarie
    on Feb 18, 2019

    Doesn't anyone mention the fact that birds eat the cormeal?

    • Renee
      on Feb 19, 2019

      Birds eat cornmeal, grass seed, and bugs. If you have kids, use natural not chemicals

      Really, cornmeal stops seeds from sprouting. Any seed. So use in wood mulch and areas you don't want plants from seed. Use early and late in season, after spreading water in....plan for the birds and use extra so you don't get mad (they can't go to the grocery store)

    • Beuna T
      on Feb 19, 2019

      In the many years I have used corn gluten meal whether the birds ate any or not there was still plenty left to help with weed control.

Join the conversation

2 of 22 comments
  • Ellen
    on Jun 1, 2016

    Since you only have rocks there now, I'd try soaking Horticultural (20% strength) vinegar on the rose shoots.

  • Renee
    on Feb 18, 2019

    As soon as you see the sprouts come up cut or pull them out. They will stop sprouting soon.

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