How To Get Rid Of Japanese Beetles On Canna Lilies

How To Get Rid Of Japanese Beetles On Canna Lilies
Edward R. Forte October 3, 2021

Cannas

How To Get Rid Of Japanese Beetles On Canna Lilies

Unfortunately, these tuber plants are also a favorite of the Japanese beetle (Popillia japonica), a voracious garden pest that will quickly make skeletons out of the leaves of your cannas if left unchecked.Although these large beetles are easy to spot, you may first notice holes appearing in the leaves of your cannas.Although time-consuming, this is the best way to effectively rid the cannas of the Japanese beetles and will not take too much time if done each morning with your daily watering.Drop the beetles into a bucket of soapy water to kill them so they don't simply return to the cannas after you pluck them off. .

Japanese Beetles: How to Get Rid of Japanese Beetle Pests

Prior to becoming adult beetles in June, they are 1-inch-long, white, c-shaped grubs live in the soil and feed on the roots of many plants.Japanese beetles cause leaves to appear skeletonized.Japanese beetles feed on a wide variety of flowers and crops (the adult beetles attack more than 300 different kinds of plants), but in terms of garden plants, they are especially common on roses, as well as beans, grapes, and raspberries.Japanese beetle grubs damage grass when overwintering in the soil, as they feast on the roots of lawn grasses and garden plants. .

Controlling Japanese Beetles

You can easily pick them off plants with your hands and toss them into a bucket of soapy water.Beneficial nematodes kill the grubs that turn into Japanese beetles.The second half of this 1-2 prevention punch is Milky Spore, which also kills grubs.Not only does it control Japanese beetles in the heat of their feeding frenzy, it also controls: adelgids, wooly adelgids, sawflies, aphids, sawfly larvae, cabbage loopers, lacebugs, scale, cabbageworm, leafhoppers, chinch bugs, mealybugs, spider mites, crickets, earwigs, flea beetles, mole crickets, squash bugs, pear slugs, tent caterpillars, grasshoppers, pear psyllas, thrips, green stink bugs, whiteflies, psyllids, gypsy moth caterpillars, rose slugs, harlequin bugs, rust mites and other soft-bodied insects. .

How to Get Rid of Japanese Beetles

Hand pick adult beetles: This can be the most effective way to gain control, but does require daily attention, often for weeks, as long as the beetles are actively feeding.Remove any damaged leaves and any dead beetles, as they can attract more.Japanese beetle traps: This method can provide mixed results.If used, they should be placed far away from any plants that beetles could harm.Treating Japanese beetles in their larval stage, as grubs, can significantly decrease the threat of the adult beetles and lays the ground work for long-term control.Beneficial nematodes: Spray your lawn and garden with beneficial nematodes for natural, biological control of Japanese beetles.Nematodes seek out grubs (and over 200 other pests that live in the soil) and kill them.Bacillus thuringiensis (Bt) ssp galleriae strain SDS-502, also known as grubHalt-Bt for Lawn Pests is a non-chemical granule that is applied and watered in.Roses are one of the most highly favored plants of Japanese beetles, and one that home gardeners seem to struggle with the most.However, be careful when spraying because you don’t want to kill the grubs with the spray.Doing so will halt the natural sequence of the milky spore or nematodes and the future benefit that they provide by multiplying once they have killed a grub.Adult female beetles lay eggs in the soil in early June.They overwinter deep in the soil and resurface again in spring when soil temperatures rise, to feed for another 3 to 4 weeks before emerging as adult Japanese beetles.Japanese Beetle. .

Get Rid of Japanese Beetles Naturally

The tried and true method of handpicking Japanese beetles from your lawn or garden is still the most effective approach to controlling these pests.Dispose of them by dropping them in a bucket of soapy water (2 tablespoons of liquid dish soap per 1 gallon of water)—this is one of the most humane ways to eliminate Japanese beetles.In that case, finding ways to attract ducks and other birds to your yard will do the trick.If Japanese beetle grubs have already infested your soil, this method is not for you, as it will only serve to trap the beetles inside the cover with your precious plants.Also known as beneficial nematodes, these organisms can devastate soil-dwelling pests like Japanese beetle larvae.For best results, introduce nematodes into your soil in late August or early September to attack the next cycle of beetles for the following year (while this is the optimal approach, nematodes can be added to the soil at any time, so long as the soil is sufficiently watered).The nematode pest control method targets larvae, not adult beetles.However, a can of fruit cocktail can help quickly remove active beetles from your yard.Spray on any beetles you see on or around your lawn & garden. .

Baby Powder to Control Japanese Beetles

Some organic gardeners swear that baby powder is a great tool to get Japanese beetles pests out of your garden.If you want to try it, buy the cheapest baby powder you can find and sprinkle it liberally on the plants that are being damaged. .

7 Safe Ways to Get Rid of Japanese Beetles in the Garden

Fortunately, there are some ways you can battle against these bugs and get rid of Japanese beetles in your garden – and in a safe manner too!Handpicking: Removing the Japanese beetles you see manually may be time-consuming, but it’s one of the most effective ways to get them out of the garden.Fill a bucket with hot soapy water and hold it beneath the plants as you gently shake them.This will alter the taste and smell of the plants, leaving them undesirable to the beetles.Clean Up: Japanese beetles are attracted to an area by rotting wood or diseased plants.Before it’s time for them to start coming around, be sure to clean up your yard, particularly the area around your garden.When used in combination with milky spores, nematodes can greatly reduce and control the Japanese beetle population around your plants.Japanese beetles like apple, birch, rose, crape myrtle, pin oak, cherry, and plum.Opt for plants least favored by the beetles, such as ash, redbud, magnolia, hemlock, dogwood, and boxwood. .

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