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This blog chronicles my journey through the Hawaii County Master Gardener program and beyond...

Home Grown Pest Control Recipes

>> Tuesday, March 30, 2010


Rhubarb Leaf Pesticide Spray
1 cup rhubarb leaves
6.5 cups water
1 tsp liquid dish detergent or soap flakes

Cover rhubarb leaves with water and bring to a boil. Boil for 20 minutes then remove from heat and cool. Strain then add 1/4 cup liquid dish detergent. Spray on plants. Good for aphids, june beetles, spider mites, thrips.
Rhubarb leaves are poisonous, take care when preparing and handling. Do not use on food bearing plants.
Garlic Tea Spray
Make your own garlic spray by boiling a pint of water, throw in roughly chopped garlic cloves and steep until the water cools. Remove garlic bits then spray on plants (fromQuick Tips For Plants & Garden).
Garlic, Peppers & Onion Insecticide
2 hot peppers
1 large onion
1 whole bulb of garlic
1/4 cup water
Toss in the food processor and add water, blend until a mash is made. Cover mash with 1 gallon hot (not boiling) water and let stand 24 hours. Strain. Spray on roses, azaleas, vegetables to kill bug infestations. Bury mash in ground where bugs are heaviest. Good for thrips, aphids, grasshoppers, chewing and sucking insects.
Tomato Leaves Spray
Crush leaves from a tomato plant and soak in water for a couple days. Strain then spray. Good for grasshopper and white fly control.
Tomato leaves are poisonous, take care when preparing and handling. Do not use on food bearing plants.
Basil Tea Spray
4 cups water
1 cup fresh basil (or 2 TBS dried)
1 tsp liquid dish detergent
Bring water to a boil then add basil. Remove from heat, cover and steep until cool. Strain. Mix in the liquid detergent then spray on plants. Good for aphids.
Salt Spray
2 TBS salt
1.5 gallons warm water
Mix salt and water to dissolve, allow to cool to room temperature. Use for spider mites, caterpillars, cabbage worms and chewing insects.
Slug Bait Trap
Set out beer in shallow containers to attract slugs, they’ll drown in the beer.
Diatomaceous Earth
An all natural solution for insects of all kinds (ants, snails, slugs, etc.). Sprinkle diatomaceous earth on top of soil around plants with pest infestations.
Horticultural Oil Spray
1 TBS vegetable oil
1 tsp liquid dish detergent
2 cups water
Fill a spray bottle with the ingredients then shake to mix.
Hot Pepper Spray
1/2 cup hot peppers (or 2 teaspoons cayenne pepper)
1 quart water
1 tsp liquid dish detergent
Bring water to a boil, remove from heat and add peppers. Cover and steep until cool. Strain then mix in soap. If using cayenne pepper, no need to bring water to a boil first. Spray on plants.
Citrus Spray
2 cups orange peels (or lemons)
4 cups water
Bring water to a boil, remove from heat and add peels. Cover and steep until cool. Strain and spray. Use the lemon mixture to repel white flies.
Dish Detergent & Baking Soda
2 TBS liquid dish detergent
2 TBS baking soda
1 gallon water
Mix all ingredients together then spray on plants.
Peppermint Tea
1 TBS peppermint essential oil (can also use an infusion made with mint leaves, increase amount to 1 cup infusion)
1 quart water
Mix together and use as an insect spray (good for ants).
Japanese Beetle Bait Trap
2 cups water
1 mashed banana
1/2 cup sugar
1/2 cup wine
1/2 tsp yeast
Mix ingredients together and put in an old margarine container, cover with lid and set container out in the hot sun for a day. The next day, remove lid and set in garden where the beetles have been spotted (use a shallow container).
Potato Leaves Tea
1 cup potato plant leaves
2 cups water
Chop leaves then cover with hot water. Seal container and leave 24 hours in a sunny window. Strain then spray.
Potato leaves are poisonous, take care when preparing and handling. Do not use on food bearing plants.
Neem Spray
1 TBS Neem soap (shavings)
1 liter water
Add soap to water then let sit for an hour. Shake bottle then spray.

6 comments:

Dirt Digger March 30, 2010 at 7:46 AM  

I will absolutely try the japanese beetle trap ... they destroyed my rose bushes and zinnias last year. Thank you!

Susan March 30, 2010 at 2:18 PM  

Dirt Digger,
I have a bad problem with rose beetles (similar to Japanese)I have read that a neem oil spray will keep them off because they do not like the taste. Unfortunately with this method, you have to spray every week. But for a few plants that would not be bad!

Let me know how the trap did! Mahalo...

Kara March 31, 2010 at 10:24 AM  

I wish there was something to keep Earwigs away. Last year I read about Bay Leaves - that didn't work. Earwigs made my late crop Cabbage look like swiss cheese last year.

Andreas May 18, 2011 at 9:15 AM  

Thank you for shared information

Your home or business provides the food and shelter pests need to survive.
Pests can easily enter your home or business through doors and windows that
are improperly sealed, around pipes and a number of other avenues

www.wekillbugz.com

bed bugs heat treatment September 13, 2012 at 7:14 AM  

Thanks for these pest control recipes. I would recommend and try these in my home where roaches and mosquitoes are everywhere.

Marcus Wheeler June 12, 2013 at 5:30 AM  

Pests can be bugs, plants or animals. Just the mention of fleas, cockroaches, dandelions, mold, mice and rats can elicit strong emotions. Pests present a health hazard to your family, pets, and garden.

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