7 Organic Pest Control Methods 12


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Guest post from Angi at Schneiderpeeps

Sometimes organic gardening gets a bad rap.  Here’s how a scenario usually plays out.  A gardener tills up some ground and plants his favorite plants. He waters and weeds. He notices a few pests but since he’s growing “organically” he leaves them alone. About mid season his plants are struggling because they are overrun with pests. He’s frustrated and overwhelmed and so runs out and buys a commercial white powder that kills the pests. Within days of sprinkling the powder on the plants, they are doing better and he declares organic gardening a failure.

Organic pest control doesn't have to mean fruits and veggies riddled with worms. Your vegetable garden can thrive without the addition of poisons.

The problem isn’t that organic pest control failed, the problem is that he believed organic gardening meant doing nothing to deter or get rid of pests. On the contrary, organic gardening basically means using the least harmful method of controlling pests and diseases. It also means that the plant is not looked on as an isolated thing but part of bigger ecological system and doing what’s best for the system as a whole instead of what’s best for just the plant.

So how can you put organic pest control to work in your garden?

Build the soil.

Growing great plants always starts with soil. If you have dead soil because you’ve killed every living thing but your plant, the plant will not thrive. Each year you will have to add more and more fertilizer to get the same results. Building your soil takes time but if you will stop tilling and start adding compost your soil will become healthy over time. Healthy soil = healthy plants.

Building soil helps to create a pest free garden.

Rotate the crops.

Don’t make it easy for the pests to find your plants by planting the same plants in the same spots year after year. Here is a simple order for rotating crops – legumes, leaf, fruit, roots. No one does this perfectly so don’t get all hung up on it, just try to not plant the same thing in the same spot year after year.

Plant some companions.

There are some plants that pests just don’t like. Radishes will deter cucumber beetles, borage will deter tomato hornworms and cabbage moths, onions and garlic have a strong smell and can be planted throughout the garden. Some plants can be planted as a trap for pests. Sunflowers will keep aphids occupied and off other plants, hyacinth beans will do the same for leaf footed bugs. Some plants will attract beneficial bugs to your garden. Chamomile and buckwheat both attract bees and ladybugs. And guess what ladybugs like to eat….aphids.  So mix up your beds, you don’t need to have nice neat row crops to have a successful garden. More about companion planting here.

Encouraging ladybugs in the garden is helps to control aphids.

Pick varieties that naturally discourage pests.

If you have trouble with vine borers pick a variety of squash that has a thinner or harder stem; butternut squash, green striped cushaw, Dickenson pumpkin and summer crookneck are somewhat resistant to  vine borers. To discourage earworms in corn choose tightly husked varieties such as ‘Country Gentlemen’ and ‘Victory Golden’.  We’re not talking about GMO seeds, just varieties that naturally make it hard for pests to attack.

Encourage beneficial insects.

Not all bugs or insects are harmful. In fact many are beneficial. Ladybugs and hoverflies eat aphids. Parasitic braconid wasps kill tomato hornworms. Paper wasps, spiders, and many other bugs and insects are very good for your garden. If you use a commercial all inclusive pest control powder, you’ll kill all the beneficial bugs and insects in your garden and you don’t want to do that. Be sure to plant flowers that attract these bugs and insects. Dill, tansy, coriander, Queen Anne’s lace, yarrow, buckwheat, sunflowers, sweet alyssum, lemon balm, and marigolds are wonderful choices.

Get physical.

Sometimes you just have to get physical with pests. Nets or row covers over cabbage will keep the moths from laying eggs on them. Crushed eggs shells can be put around the base of plants to keep slugs away. Metals cans (with both ends cut off) can be put over tender seedlings and pushed into the soil a bit to keep cutworms at bay.

To help with a pill bug infestation, put a teaspoon of yeast, a teaspoon of sugar and 1/2 cup of water into an 8 ounce jar and bury the jar up to the lip. The pill bugs are drawn to the smell and will drown. Change out the jar every couple of days. Also, looking for insect eggs on the underside of leaves and squishing them is an effective way to reduce pests in the garden.

Spray or sprinkle cautiously.

There are some organic sprays and powders that can be used in the garden. It’s best to use a spray or powder that targets just the pest you are dealing with.

Bt (bacillus thuringiensis) is a bacteria that only targets caterpillars and worms. It comes in a powder and a spray and is very useful for things like cabbage worms and tomato hornworms. 

DE (Diatomaceous Earth) is wonderful for insects such as aphids, ants, thrips, mites, earwigs, snails and slugs. Unfortunately, it can also be harmful to other insects such as lady bugs and bees. Neem oil can be used as a preventative spray for pests that eat leaves like aphids, mites, squash bugs, Colorado potato beetles and Mexican bean beetles. Homemade garlic and pepper sprays can also be helpful- but they are indiscriminate and will kill beneficial insects along with pests. So be careful using these.

Choose organic pest control.

It takes more time and more thought to grow food organically but it’s better for the ecosystem and your family. Over time you will figure out what works best for you and your garden. Just remember to keep notes while you’re learning.

 Angi Schneider is a minister’s wife and homeschooling mom.  She is passionate about growing food for her family and living a simple life. She blogs their homesteading and homeschooling adventures at SchneiderPeeps.com and is the author of The Gardening Notebook which she wrote to help other gardeners remember all the great information they are learning.

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12 thoughts on “7 Organic Pest Control Methods

  • Lorna

    Hi, thanks for this – great advice. Please reconsider the use of tin cans though – the use of them can result in some horrendous damage to wildlife such as hedgehogs etc.

    • Kris Bordessa Post author

      Can you elaborate? We don’t have hedgehogs here…

  • Jo

    Nicely done, Angi! Great info here. Had to share. And thanks for hosting it, Kris! Both you ladies are awesome! Love, Jo & Eddie

  • Carolyn

    Really interesting and helpful article. Just to comment none of the bean family grow well near any of the onion family. Also our modern practice of feeding birds all year round means that they have a ready-made snack bar and don’t feast on the aphids, etc! Of course feed them in the cold and wet weather but let them play their part in the natural cycle of growing.

    • Kris Bordessa Post author

      Good point about the bird buffet.

  • Kathy

    The best thing Ive ever done in my garden was companion plant coriander and my brassicas – the coriander helps keep the dreaded white cabbage moth at bay! http://bit.ly/1lRYMoo

  • Shrey Ghosal

    Totally agreed with you. Natural and organic methods should always come first before anything else. Something like biological pest control really benefits us without disrupting our environment.

  • EP

    We tried to stave off cucumber beetles from the beginning. Planted radish all around our cucumber. Our radish beds have been more ravaged by the cucumber beetles than the cucumber. I think these recommendations are awesome, but they have never worked very well for me. I use BT and Spinosad (very sparingly and only in the evening) and this has saved my garden.

  • William Smith

    Superb article! An additional method of combating pests is balancing the minerals in your soil. All eleven of the mineral nutrients naturally occurring in every soil, are available in a form approved for organic use by the USDA National Organic Program. When soil minerals are in optimum balance, the soil is at its peak fertility, and the plant leaf sap reaches 12 Brix. At 12 Brix and above, the plants are at their healthiest and most vigorous. Pests don’t bother healthy plants. Maximize soil fertility through mineral balance, follow the advice in this article, and enjoy pest free gardening.

  • Fran Leal

    Any suggestions for getting rid of mealy bugs an orchid plants? Have been using a mixture of Dawn and water to bathe plants when I see the bugs. Kills/removes visible bugs, but they seem to return in two to three weeks.

  • Jane

    I agree with you about “Not all bugs or insects are harmful”. Ladybug can eat mealybugs. This is a simple method that get rid of a mealybug infestation in garden.