Optrol is a professional strength product which provides seasonal control of a wide variety of pests for gardens, trees and shrubs. Its concentrated 21.4% imidicloprid formula is the very same used by the leading professional arborists nationwide! Optrol allows the highest application rates in the industry for maximum proven protection against the most difficult tree pests.
This professional strength formula has been bottled for you, the do-it-yourselfer, and can be easily applied as a spray or soil drench.

Even though Optrol comes in a small 8 ounce bottle, it takes 128 ounces of the competitor’s product to equal our concentration of active ingredient! That’s FOUR bottles! And it only takes ONE annual treatment to shield your tree with Optrol. To get the same protection with other products, you’d have to go against the Environmental Protection Agency’s (EPA) regulations and apply multiple times within one year. Optrol makes saving trees easy and affordable!
As you may be aware, pests such as Emerald ash borer, Japanese beetle, Two-lined chestnut borer, and Bronze birch borer are threatening millions of trees across the country. When determining which product to use to protect your tree, protect it with the optimum control of Optrol. It takes four 32 ounce bottles of the competitor’s to equal the amount of active ingredient of only ONE of our 8 ounce bottles. This higher, more effective rate is approved by the Environmental Protection Agency (EPA).
Insects Shielded
Adelgids, Aphids, Borers (including: Bronze birch borer, Emerald ash borer, Asian longhorn beetle, Eucalyptus longhorn beetle), Elm leaf beetles, Japanese beetles, Lace bugs, Leafhoppers, Leafminers (including: Birch, Elm, Citrus, Boxwood), Mealybugs, Pine tip moth, Psyllids, Royal palm bug, Sawfly larvae, Scale insects (soft scales), Thrips, Whiteflies, White grubs.
Click here to view a detailed list of every insect controlled by Optrol.

Japanese Beetle

Emerald Ash Borer

Two-Line Chestnut Borer
Research
As you may be aware, Emerald ash borer is threatening millions of ash trees across the Midwest. These insects slowly kill ash trees by feeding on the tissue which transports water within the tree. Since the pest was first found in Michigan in 2002, it has killed over 40 million ash trees in the states ranging from Maryland to Minnesota, even down to Tennessee. Ever since its discovery, an immense amount of research has gone into insecticide options for protecting ash trees from EAB.
Now PlantCare Science is providing that protection for homeowners to actually treat their own trees.
A good source for independent information on treatment options is “Insecticide Options for Protecting Ash Trees from Emerald Ash Borer.” This guide was produced by leading researchers from Michigan State, Purdue University, University of Wisconsin, Ohio State, and Illinois University. Research recommends the active ingredient, imidacloprid, to fight Emerald ash borer. Optrol’s double rate was cited as the only effective rate to protect larger ash trees against EAB.
“In an OSU study with larger trees (15” DBH, 47” circumference), Xytect™ (imidacloprid) soil drenches provided most consistent control of EAB when applied experimentally at twice the rate that was allowed at that time. Recently, the XytectTM label was modified to allow the use of this higher rate, which we now recommend when treating trees larger than 15-inch DBH (47” circumference).”
In order to give you the professional grade product, Xytect is now referred to as Optrol.
The name has changed but the concentrated formula has not!
So what does this mean for you?
If you have a bigger tree, then you need a bigger dose!

Trees larger than 24” circumference need a higher dosage of imidacloprid to ensure protection against Emerald ash borer.
Optrol is the ONLY product available to homeowners that can effectively protect trees larger than 47” circumference against EAB. Other products don’t work on these large trees. Whether your tree is newly planted or has been around for a lifetime, your tree will be protected with Optrol.
Optrol is the only retail product proven effective to treat larger trees!!
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