Ortho® Insect Killer Tree & Shrub Concentrate can be used to kill listed insects on fruit tree, citrus trees, shrubs, and other ornamentals. Use it to kills ants, beetles, Emerald Ash borers, leafminers, leafrollers, thrips and worms (caterpillars) and other listed pests.
How do you get rid of bugs in trees?
Apply insecticidal soap to the tree. Insecticidal soap is similar to insecticides, but aren’t as harsh or dangerous to the environment. Insecticidal soap is effective against most bugs and typically won’t cause damage to the tree or the vegetation around it, unlike some insecticides.
What can I spray on my trees to keep bugs off?
Gardening stores often sell insecticidal soap sprays, but you can make your own. Experts at Oregon State University recommend mixing 1 teaspoon of vegetable oil and 1 teaspoon of dishwashing soap per cup of water. This spray will help with aphids, mites, scales and other insects that have very small breathing holes.
When should you spray trees for bugs?
Timing is critical, with a first spray about two weeks after most petals have fallen from the tree’s blossoms, followed by a second spray one or two weeks later. Repeat this treatment in late July or early August or whenever you notice new larval holes appearing on the fruit.
Can I spray my trees with insecticide?
Spraying. Spray young trees and small ornamental specimens with systemic pesticide in a ready-to-use spray bottle. Spray as much of the tree as you can reach; there’s no need to cover both leaf tops and undersides. … Use any garden chemical only when it is labeled for your tree species and target pest.
How do I keep bugs from eating my trees?
The key is to prevent infestation by keeping the tree as healthy as possible. This includes proper pruning, watering, mulching and fertilization. Pruning should be done in late fall or winter to avoid attracting insects to open wounds. Dead or fallen wood should be removed immediately.
What do you spray on citrus trees?
On citrus trees, apply horticultural oil sprays when pests are present, and when temperatures are between 45 and 85 ºF. However, they will not work preventatively, as they kill by suffocation as the oil sprays cover the pest.