Hostas are a native to Asia and a perennial plant that has made its way to the United States. You can find Lily among the most popular varieties.
While many gardeners love these plants, so do many unfriendly insects that feed on the plants. With a few commercial products available, you can find these are targeted at these insects, yet they are an expensive option.
When you discover something is eating my Hostas, you can use this guide to come up with your treatments rather than the costly version. You will also find how to prevent holes in Hosta leaves without too much effort.
How Do You Keep Holes Out of Hostas?
Once you begin checking around your Hosta plants, you may discover holes in your hostas. It can be more than bugs eating Hostas you need to get rid of.
It is also more than Hosta diseases because you will find that certain animals like to eat the Hosta plants’ lush leaves.
Deer and rabbits may be keen on the Hosta leaves, and deer are known to cause severe damage by just leaving the stalks. Rabbits, on the other hand, tend to like the young shoots. (Read How to Deter Squirrels from Garden)
The good thing with this is the treatments you can put around your plants can help get rid of these animal and slug problems.
As much damage as these do, the slugs and snails that feed at night leave the holes in your Hosta leaves. Cutworms are another nocturnal feeder. The cutworm may not be as common, though, as your slugs.
Here are a few ways to help control these slimy pests and prevent slug damage to your foliage.
Water in the morning only to make sure leaves are dry before nightfall. Slugs and snails do not like dry Hosta plants as much as wet one. (Read Are Snails Bad for Plants)
Remove mulch from around the base of your plants so snails and slugs can’t hide.
Place a few containers of beer close to your Hostas. Sink several of them into the soil so any slugs or snails will crawl inside, and it will kill them as they drown.
Another alternative is to place pieces of cabbage or potato under some small boards near your plants. You will see this attracts the small slugs as they like the food. It will get them all into one area so you can dispose of them all at once. (Learn How To Get Rid Of Cabbage Worms)
What Can I Put On My Hostas to Keep the Bugs from Eating Them?
Here are several natural remedies that can spray on a leaf to help prevent slugs and prevent animals from taking a liking to your lush foliage.
If you still find the beer traps are not getting rid of the slugs you expect, you can use a commercial slug and snail bait, although the more natural method is using beer traps. Either way, if you still have issues, you can spot a slug by the trails they leave behind.
Remember, a slug will come out at night, so if you go slug hunting, wear boots and use a good flashlight.
Pepper: You can mix a solution of 2 cups of water, 10 drops of dish detergent, and half a cup of cayenne pepper. Using this formula will stick to the Hosta leaves and help keep any deer, pest, and slugs away from your garden. Repeat every couple of weeks or if you have rain.
Mint: When you use mint, you will discover another smell that deer are not keen on. Take a spray bottle and add 20 drops of mint essential oils, 10 drops of dish detergent, and 2 cups of water.
Same as the above, spray on and under your Hosta leaves every couple of weeks. As an alternative, you can grow mint close to your Hosta plants. However, do check its growth as mint grows fast. (Read What Do Lizards Eat)
Citrus: Citrus or Citronella emit a strong odor. You can use the same mix as above yet replace it with citronella oil rather than pepper. Also, you can use lemon juice. Spray on the leaves and around your plants as required.
What is Killing My Hostas?
While one of the most common leaf problems you have in your garden is slugs more than animals or insects, there is something worse than any pest or pests.
Damage from disease can also lead to many a problem, yet luckily, there is only a handful, and besides a Southern Blight problem, you may find them rare in your garden.
Besides your issues with slugs and garden pests, to name a few who like to eat your plants. Fungal disease is more common than insects for plants in a garden landscape environment.
Moisture is the cause of the problem, as such is slugs feeding at night. Stop watering at night, and you can help stop the problem.
Southern Blight or White mold comes from the fungus with the name Sclerotium Rolfsii.
You can see this as there is a white thread material up your plant stems to the leaves. It can also spread across garden soil to other plants. It is hard to control than any pest control, and sanitation is the secret from using any fungicide.
If you see this on your plant leaves, you need to keep it away from other plants. This is particularly true if you are transplanting anything around your home.
One method is to cover the affected area around your home with a plastic sheet and use solarization for cooking the soil. However, if your home is in a northern region, it may not be effective. (Read How To Treat Blackspot On Roses)
With all the above, you can make the right decision once you see if pests eat your plant leaves or these fungi.
While it is not much trying to find ways to make these pests unable to feed and eat your Hostas, it is a more straightforward issue than fungus.
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