What Are Viburnum Borers Learn About The Control Of Viburnum Borer

Control of Viburnum Borer Prevent injuries in the bark by avoiding the use of weed whackers near the shrub and directing a lawn mower so that debris flies away from the shrub. Plant resistant species whenever possible. Arrow-wood viburnum (Viburnum dentatum) has good resistance.

How do you control viburnum beetles?
How do you kill viburnum leaf beetle larvae?
What is killing my viburnum?
What causes holes in viburnum leaves?
What looks good with viburnum?
Why does my viburnum smell?
How is Viburnum disease treated?
How do I get rid of leaf beetles?
What do you spray on viburnum?
How do you rejuvenate a viburnum?
How often do you water viburnum?
What bug is eating my viburnum?

How do you control viburnum beetles?

Q How do I control an attack of viburnum beetle? A You can squash or pick off the larvae and adults by hand, or you can remove and bin or burn the infested shoots. Alternatively, you can spray the larvae from mid-April to early May with any insecticide recommended for a broad spectrum of plant pests.

How do you kill viburnum leaf beetle larvae?

Alternatively, organic pesticides derived from the fungus Saccharopolyspora (spinosad) and insecticidal soap have effectively knocked back viburnum leaf beetle larvae with less damage to beneficial insects. Both spinosad and insecticidal soap are contact pesticides that require direct contact with the pest.

What is killing my viburnum?

Armored scales, such as the oystershell scale (Lepidosaphes ulmi), can infest viburnum and cause branch dieback. If the infestation is severe enough, they may kill the shrub. The oystershell scale can overwinter as full-grown females that are attached to the bark or as eggs that are beneath the adult scale covering.

What causes holes in viburnum leaves?

Holes in the leaves of viburnums caused by the larvae and adults of viburnum beetle. Plants can be completely stripped of foliage and can emit a foul smell, which is thought to be caused by the excrement of the larvae.

What looks good with viburnum?

Choose companion plants with contrasting foliage, such as evergreen ferns. (Or, for a winter garden, pair with other early bloomers like crocuses and pansies.) Because viburnum doesn't self-pollinate regularly, plant several viburnum shrubs near each other.

Why does my viburnum smell?

Viburnum beetle can defoliate viburnums. Most of the damage is caused by the larvae in spring but some further damage is done by the adult beetles in late summer. ... Affected Viburnum tinus often produces an unpleasant odour particularly when the foliage is wet.

How is Viburnum disease treated?

If the brown leaves on viburnum are caused by leaf spot disease or anthracnose, you can treat the plants with fungicides available in commerce. For example, treat anthracnose by spraying the leaves with a copper fungicide.

How do I get rid of leaf beetles?

Fill a 1-gallon bucket with warm water and a tablespoon of dish soap. Put on gardening gloves and hold the bucket underneath the leaves of your infested plant. Pick the beetles off and drop them in the bucket. You may be able to tap the plant and watch some of the beetles fall off into the bucket.

What do you spray on viburnum?

Spray with insecticidal soap, if necessary, but be careful, as there are many beneficial insects that feed on thrips. You can also introduce beneficial insects such as lacewings, ladybugs, and predatory mites to the garden.

How do you rejuvenate a viburnum?

Immediately after it flowers next spring, remove dead stems and suckers, and prune out one-third of the oldest stems. Continue removing the oldest stems each spring until the plant has an attractive and natural-looking shape.

How often do you water viburnum?

How to Water Viburnums. When you first plant viburnums, water every 1 or 2 days, whenever the top inch of soil is dry. Hold the hose near the root ball and make sure the root zone is thoroughly soaked at each watering. You'll be able to gradually increase the days between watering as the plants establish roots.

What bug is eating my viburnum?

If you're noticing lots of holes in the leaves of your viburnums from late spring through summer, chances are good that you have viburnum leaf beetle (VLB). Native to Europe, VLB was accidentally introduced to North America sometime in the last century.