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Slugs

Slugs are snails without a shell. Their soft slimy body can get up to 8 inches long ranging from white to brownish black in color. They prefer a damp, cool environment, especially rainy weather.

Slugs feed at night on all kinds of plants and hide during the day from the sun under moist, shaded mulch, leaves or organic material.
The nightly feeding frenzy can do a lot of damage to your shaded garden plants with tell tale signs of ragged holes to large sections of leaves eaten away. They start from the bottom and eat their way up the plant leaving a slimy trail in their path.

Control: There are several ways to approach this problem. One way, is to go out at night with a flashlight and handpick using tweezer or chopsticks to grab the slimies off the plant. If that doesn’t appeal to you, set up a soil barrier of crushed eggshell, wood ashes or sprinkle diatomaceus earth around the plant, which they won’t cross. Diatomaceaus earth is a prehistoric shellfish that feels smooth but is gritty enough to cut their bodies and cause them to dehydrate and die. Both diatomaceus earth and wood ashes need to be reapplied after a rain. Copper sheeting (Snail-Barr) is also effective when placed around a flower bed. It shocks the slug with a mild electric charge. Traps: A shallow dish buried at soil level, filled with beer lures the slugs to the yeast in the beer and causes them to drown. You will have to replenish the beer and remove the victims daily. There are baits such as Sluggo, Escar-Go! and Worry Free that can also take care of the problem.
As you can see there are all kinds of solutions. The thing to keep in mind is to start treatment early (check in spring) before they get out of control, and eliminate potential hiding places by removing garden debris and last year’s mulch from affected plants. If you have a wet season, expect a heavier infestation.

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4 comments to Slugs

  • Alice

    ANY ONE ‘S HELP WITH SLUGS ON MY BLOOMS?

    Two soil barriers: Try crushed eggshell on the soil surface. Diatomaceus earth-a prehistoric shellfish that feels smooth but is gritty to the slug and causes them to dehydrate and die. Beer in a shallow dish buried just at soil level can attract and drown the slimy little pests. See above for more ideas.

  • Jean

    IF THIS IS A SLUG PLEASE TELL US WHAT TO DO

    Read the article above for control of slugs.

  • Bridgette

    My Zinnia’s are are eaten up from bugs, got slugbait down, what else can I do? My Crocosmia are small and don’t flower, have them for 4 Years. Thank you.

    Is it slugs that are eating your zinnias? Japanese beetles also seem to like the plants. You can spray them with an insecticide but be careful when you do. Beneficial insects such as bees can also visit your flowers-so spray in the evening when they are done feeding. Crocosmias are a relative to gladiolus – be sure to let the foliage die back and remove only when it starts to turn yellow. They also need full sun and moist soil to grow well . Future flowering depends a lot on how the corm grew the previous year and how much nutrients were replaced. If yyour soil is poor, try feeding with a balanced (10-10-10) fertilizer to get healthier growth. Also, they should be divided every 3-4 years. Crowded corms will decline in growth and produce no flowers.

  • ELLEN

    got useful info. one more quest. it is getting cold here now almost freezing ams and pms w/ highs in 50s or 60s during the day and a fair amt. of sun. is it past slug season for this year or will beer still work?

    Hi Ellen,
    Slugs feed in warmer weather. I wouldn’t bother with the beer or any other slug method. It would make no difference, even if they chewed on the leaves, since the plants are ready to go dormant and have reserved their nutrients for next year.

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