Growing Hostas: Pests and Plagues

One of the things that makes growing hostasin a single evening. This can be a real problem in
easy and fun is the species' resistance to pestsrural areas. Tall fences and a barking dog are the
and disease. But though they are verytraditional deer defenses, but you can also try
pest-resistant, there are a few critters to lookspraying the hosta leaves will commercial deer
out for.repellant.
Slugs and Snails These are the most commonRabbits, squirrels, and voles These small garden
hosta pests. Unchecked they can wreak havoc onvisitors can make a mess of a hosta garden.
your plants, chewing small round holes in theRabbits make a spring salad of tender shoots,
leaves until the foliage looks like Swiss cheese.squirrels may dig the plants out of the ground,
Fortunately slugs and snails are easy to spot andand voles feast on the roots. Try surrounding the
easy to control.plants with hardware-cloth cages.
Commercial slug pellets and baits are the mostDiseases
sure-fire method of controling these pests; evenHostas are generally very disease-resistant,
a fairly significant infestation can be eliminatedthough they occasionally fall victim to bacterial or
quickly. But if you go this route, be sure to followviral infections. Bacterial soft rot, which makes the
package directions carefully, as the activestems soft and mushy with a distinctive
ingredients can be poisonous to animals and birds.unpleasant smell, is both difficult to treat and very
If you're reluctant to use chemicals, you can tryinfectious. Plants with symptoms of bacterial soft
setting beer traps. Simply fill a shallow containerrot should be discarded.
(like a pie tin) with beer and set it out near theViral diseases generally cause spotting or irregular
plants overnight. The theory is that the slugs andmottling on the leaves, but may also cause the
snails will crawl into the container but will be unableleaves to look burnt around the edges. Like
to crawl back out.bacterial disease, hostas viruses are highly
Deer Deer are fond of hosta leaves and caninfectious and difficult to eradicate, so disposing of
munch a path of destruction through your gardeninfected plants is the best bet.