On reaching the ground, this strong downdraught spreads out to produce a gusty wind which has the potential to cause significant damage. Severe thunderstorms produce wind gusts of 90km/h or more, with peak winds exceeding 160km/h in the most damaging storms.
Pepper. Pepper also gives off a strong scent that repels ladybugs without killing them. When your garden emits a hot pepper scent, ladybugs will steer clear of your plants and shrubbery. In a spray bottle, mix two cups of water with three teaspoons of crushed red pepper, chili pepper or paprika.
Repelling Gnats. Gnat repellants containing botanical oils are common. Oil of citronella, lemongrass, cedarwood, garlic, spearmint, lemon mint or cinnamon can be sprayed in areas where gnats congregate. Alternatively, crush fresh leaves of those plants and rub the leaves on skin to deter gnats that bite.il of citronella, lemongrass, cedarwood, garlic, spearmint, lemon mint or cinnamon can be sprayed in areas where gnats congregate. Alternatively, crush fresh leaves of those plants and rub the leaves on skin to deter gnats that bite.