Salt sprinkled on slugs will reduce them to a glob of slime. Don’t use more than a couple shakes as salt in garden soil will kill many plants.
Horseradish mixed in water and used as a spray will repel potato bugs.
Cedar chips or sawdust: A tea made by soaking the chips or sawdust in hot water will keep away Mexican bean beetles, potato beetles, spider mites, mealybugs, cucumber and squash beetles. You can also just work the cedar into the dirt around plants for the same effect. Sprinkled on lawns the sawdust works well against chiggers.
Wood Ashes: Sprinkled around the base of plants will stop beetles, mites and aphids. Some people in certain areas claim wood ashes also work to repel deer, mice, cutworms, slugs and rabbits, being almost 80% effective.
Flour: dusted on cabbage plants after a rain or watering will cause worms to get all gummed up in the paste and dry out in the sun.
See our main gardening page, Garden Circkles, for much more information than what is posted on this blog, including full articles on greenhouse growing, sustainable and organic tips, beneficial bugs, the latest techniques such as aquaponics and vertical growing and much more.