Get Rid of Garden Pests

Horticulturist, Jerry Goodspeed tackles the top five garden pests.

1. Powdery Mildew: Problem – white fungus on plant leaves

a. Causes plants to lose energy, smaller leaves, less flowers, and scared fruit

b. Solutions: keep water off leaves and fruit; Spray with a sulfur or copper; spray with a fungicide

2. Codling Moth (Wormy Apples): Problem – worms in apples

a. Moth lays eggs on fruit which hatch and bore into apples and pears. Worms in apples when harvesting.

b. Solutions: bag Apples; Start spray program now with registered insecticide or organic sprays

c. Go to to find out more on sprays and timing

3. Cankerworms: Problem – eats leaves and defoliates oaks, maples, crabapples, other trees

a. Small green worm that hangs by thread from tree and eats foliage

b. Solutions: Tolerate (trees will recover), spray with a Bt product or other registered insecticide

4. Aphids – Problem – small insect that sucks the juice and energy from plants

a. Aphids reduce the strength and health of plants, cause honeydew (sticky substance on leaves)

b. Solutions: Spray with strong stream of water; apply an insecticidal soap; tolerate; set out lady bugs

5. Slugs and Snails: problem – eat leaves of herbaceous plants (annuals and perennials)

a. Slugs and snails: defoliate and weaken plants, can completely kill plants

b. Solutions: traps (using small containers and beer); Trap under boards; keep area drier; go out at night and kill (nice date night activity…)

Art-in-the-Garden Event

Thursday, June 17th

Ogden Botanical Gardens

Here is the schedule:

Noon – 6:00 – Free garden tours

3:00 to 8:00 – Local artist will be in the garden painting and displaying their art.

6:00 to 6:30 – Local chefs in the garden demonstrating their ‘art’. There will be free samples.

6:30 – 7:30 – The Aspen Strings, a 10 piece ensemble, will perform in the garden.

The event is free to the public.

For more information on workshops, plant sales and classes go to:

Or contact: Jerry L. Goodspeed

Utah State University Extension

Weber County

Director – Ogden Botanical Gardens

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