CoreTect tablets provide the world's number one tree and shurb insecticide (Imidacloprid) in a convenient tablet form complete with a fertilizer for plant health and complete insecticide absorbtion. These tablets may be used during planting or on established plants. CoreTect tablets provides extended insect control through its controlled release. The active ingredient in CoreTect, Imidacloprid, works in a systemic manner to extend insecticide protection and plant health.
CoreTect Tree and Shrub Tablets Insecticide will control or significantly reduce populations of insects that attack containerized, newly-planted, and established trees. For trees and shrubs grown in landscapes and interiorscapes for more than one year, CoreTect Tree and Shrub Tablets Insecticide will in some cases provide control of insects for up to two years. The tablet also has been shown to improve survival and growth rates of newly established seedlings, containerized trees and shrubs, and newly-planted and well-established ornamental plants.
| Active Ingredient: | Imidacloprid 20.0%, Nitrogen 12.0%, Phosphate 9.0%, Potash 4.0%, Sulfur 3.4%, Magnesum 0.5%, Molybdenum 0.004% |
| Pet safe: | Yes, when used as directed. |
| Yield: | Each bottle contains 250 tablets. Use 2-3 CoreTect tablets per inch of trunk diameter or per foot of shrub height. |
| NOT FOR SALE TO: | CT, ME, WA, NJ, NY, OR |
| Manufactured By: | Bayer |
Product Documents
CoreTect Tree and Shrub Tablets Insecticide is formulated to provide consistent delivery of active ingredient over time. Release of active ingredient is dependent on presence of adequate soil moisture. For best results, irrigate the plant after treatment, and ensure that the plant receives regular irrigation for at least 2-3 months after treatment.
CoreTect is economical and easy to use. When treating established or newly planted trees and shrubs use 2-3 CoreTect tablets per inch of trunk diameter or per foot of shrub height. CoreTec will give a yearly protection against insects that would chew, suck or bite treated shrubs and trees.
Product Features:
- 2.5-gram tablets with 20% active ingredient plus fertilizer
- Systemic action with same ingredient as Merit®
- Slow release for extended insect control
- Active ingredient causes plants to better tolerate environmental stress such as heat, drought and poor soil conditions
- Great for newly planted trees and shrubs or on existing landscapes
- Convenient and easy-to-use packaging: 250 tablets per bottle, 4 bottles per case
4 of 4 people found this review helpful:
Great treatment for Hemlocks
By Debbie on November 10, 2010
Verified PurchaseI applied Coretect to 50 Hemlocks in my yard 3 years ago and then again last year and the woolly adelgids are gone. The Hemlocks are back to their full green growth again. Just a miracle, they were almost gone before I used this product-Highly recommend it.
3 of 3 people found this review helpful:
CoreTect
By Diane on April 6, 2011
Verified PurchaseI belong to a small homeowners association of 22 homes with 20 Crepe Myrtle trees dripping sap yearly on homes and autos due to aphid infestation. We contacted our gardening company, and a bid of $1600 was given for injection of a systemic apidicide. I found "do my own pest control" online, with an easy to apply systemic insecticide for $119, and enough to do all of our trees for a yearly application. Today is April 6th 2011, and the trees are just starting to sprout in California, so I applied as directed today. Hopefully the results will be as positive as the $1481 in savings, and I will be back to order every year. The application was very easy, and the label instructions prior to purchase made my work easy! I'll let you know in August if the product worked as hoped.
2 of 2 people found this review helpful:
The more YOU do, the more you save with CoreTect
By Chris on June 3, 2011
Verified PurchaseI've spent in excess of $25,000 on trees and shrubs with the hope of adding some of natures beauty to the land around our new home. In the past, professionals would visit 3 times a year to spray for pests with each visit costing $250.00. This year the "pros" mentioned that I now could choose the standard spray applications or CoreTect. The CoreTect treatment cost me $750 about the same cost as the spray applications. Forty five minutes later, their work was done. After their departure, I went on line to find out more about the product. MY GOD! I had been led to believe that the product was very, very expensive. I had just paid someone $630 for less than an hours work. Well the saying is live and learn and I have. I've purchased 4 containers of CoreTect for $480. I've been able to treat all the trees and shrubs in just a few hours at a fraction of the cost! If you're like me you might have bird's nests in your trees, small rabbits living under them, kids or grand kids playing in the yard, and dogs and cats wandering about. Sprays are useless if a rainstorm follows application. Strong winds can blow the spray chemicals away from the trees. The standard warning I've heard in the past, keep kids and pets away from the trees for a least a day. Serious considerations. The CoreTect pills are very easy to use, the results are better than expected, it makes me feel good knowing this is something I can do myself and save a bit of money in the process. The support team is there to assist with your questions. Use common sense and follow directions. Good luck! Chris
CoreTech Tablets
By David on June 15, 2011
Verified PurchaseI planted 200+ new plants this year in very poor upstate SC soil. I noted that the plants were struggling and not growing well for the first several weeks. I then utilized these tablets and in about 2 weeks later I noted a revitalized plant with improved leaf grow, color and overall health was vastly improved. I now plan on using these tablets yearly for the next several years on all my plants as the cost of the tablets are small compared to the cost of the plants and shrubs.
CoreTect Tree & Shrub Tablets
By Cathryn on March 14, 2012We have a Christmas Tree farm in north Florida. Two of the seven species that we grow are favorites of the saw fly. Two years ago we began using CoreTect and found that not only did it control the saw fly in our young seedlings but also helped control pine tip moth as well in the Virginia pines. We also noticed that the seedlings treated with CoreTect were more vigorous in their first year of field growth.
Worked Great!
By Lori on August 29, 2012We have 5 Hack Berry trees in our backyard. Due to a lot of rain, which spurred new leaf growth,the trees contracted an infestation of Wooly aphids. We bought the Coretect product and also a deep root feeder. My husband injected the root feeder a couple of feet into the soil and and fed the trees, irrigating the product into the root system. After about a week we also had 1.5" of rainfall that helped get the product to the roots. The aphids are gone and we have our backyard back!
Core Tect Tree and Shrub
By Chris on May 13, 2013
Verified PurchaseWith a cat and two dogs, I've never been receptive to the idea of certified tree "doctors" coming out to spray the trees and shrubs. After two bad years of extreme insect/grub infestation and the loss of several costly trees and shrubs, I contracted the services of professionals. Three appointments were made at three week intervals each. Our pets were not allowed outside for 48 hours after each spray and each of the service calls cost $500.00! The following year I called one of the guys who had done the spraying the year before. He came out without the mask, heavy gloves, coveralls, and spray equipment. He had a couple bottles of CoreTect and mentioned that it was an effective product and much safer for the environment. Two hours and two containers of CoreTect later the job was done. The treatment sent me back $750.00! The good news, he tossed the two empty containers in the trash can. I pulled one out , called the folks at DO MY OWN PEST CONTROL and purchased two bottles of the product the following year and saved about $500.00 doing the job myself. The service tech who had done the job (using CoreTect) called two years later asking I wanted to have my trees an shrubs protected again against insect infestation, I told him I had saved a bundle doing the job myself and thanked him for leaving the empty containers in my trash. CoreTect appears to be an effective product. When used properly, no one is harmed and the pets can play outside when the application is done. I suspect it is a safer product for the overall environment. Great product at a great savings.
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May 3, 2010Kim asked:
QI am wanting to protect hemlock trees, is this product effective and how many trees will this treat?
These are large mature native hemlocks in North Georgia mountains.
AYes, CoreTect Tree & Shrub Tablets are great for treatment of Hemlock trees, especially because they are so easy to apply and a lot of times the Hemlock trees are located in hard to reach areas in the mountains. The CoreTect tablets should be applied at a rate of 2-3 tablets per inch of trunk diameter at chest height. The number of trees one bottle of tablets can treat will be dependent the diameter of the trees. This product will take care of the hemlock wooly aldegid insect that is doing so much damage to hemlock trees in the mountains.
January 11, 2012John from Malvern, Pa asked:
QWill CoreTect control emerald ash borer?
ACoreTect is labeled for flat headed borers and emerald ash borers are a species of flat headed borers. According to the product label: You will need to use 3 tablets per inch of trunk diameter. For treatment of in-ground ornamentals – For best results on established ornamentals, CoreTect Tree and Shrub Tablets Insecticide should be placed as close to the fine absorptive roots as possible. For most deciduous trees and shrubs, an adequate number of these absorptive roots are located with 6-24” of the trunk, depending on tree size. Apply CoreTect Tree and Shrub Tablets Insecticide 2-5” below the soil surface, next to the plant (ca. within 3-5” of newly planted trees or shrubs, or within 6-24” of well-established ornamentals). Ensure that the tablets are completely covered with soil after application.
For bushy coniferous trees and shrubs, numerous absorptive roots may be located near the drip-line. To apply CoreTect Tree and Shrub Tablets Insecticide post-plant to plants with a definite drip-line, place tablets 2-5” below the soil surface, evenly spaced around the tree and along the drip-line. Ensure that the tablets are completely covered with soil after application.
July 6, 2010Renae asked:
QHow many tablets of CoreTect do I need to use for a 7' tall ficus hedge for whitefly prevention?
A continuous hedge runs along the entire side of my 100" property, and it is about 2-3 feet wide. My neighbor's front hedge shows a serious white fly problem, and I want to use this as a preventative measure. How many tablets should I apply and at what spacing in the ground?
AYou will need to take a look under the hedge and treat each root system individually instead of treating the hedge as one plant. According to the CoreTect product label, you will need 3 tables per foot of shrub height, so for a 7 ft plants you will need 21 tablets for each plant. Release of active ingredient is dependent on presence of adequate soil moisture. For best results, irrigate the plant after treatment, and ensure that the plant receives regular irrigation for at least 2-3 months after treatment
February 18, 2011Luli asked:
QHow can I apply CoreTect to my property when the usage rate seems to exceed the yearly limit?
We were looking to purchase CoreTect for our ficus to prevent a white fly infestation, and we have some questions. We have at least 100 ficus that are about five feet tall acting as a fence in our front yard and about 50 in our back yard. The instructions say to use 2-3 tablets per ft. of height, but it also states that you cannot use more than 450 tablets in 1 acre ( our property is 9000sq ft.). How do you suggest we apply the tablets? Thank you very much
AYou are correct that you cannot use more than 450 tablets of CoreTect on one acre of property per year. In fact, on your smaller parcel of land you cannot use more than 90 tablets per year. You have a unique situation in that you have so many ficus on such a small piece of property. Every systemic product does have about the same usage limits that you have found on the Coretect. You could of course treat your most susceptible ficus with the systemic Coretect and use a product with a different active ingredient such as Talstar P on the less susceptible ficus as a foliar spray. It might be a good idea to check with a company that specializes in ficus/whitefly to see what they would recommend in your situation. (Most companies will offer a free estimate and will provide you with a plan of action)
April 5, 2011Nick asked:
QWill CoreTect Tree & Shrub Tablets work for rose bushes?
ACoretect can be used on rose bushes according to Bayer, the Coretect manufacturer.
April 5, 2011Nick asked:
QIs CoreTect Tree & Shrub Tablets the right product for Hybrid-T Roses?
ACoretect is labeled for rose bushes but they do not list different species of roses. We recommend that you contact your local cooperative extension office and speak to the master gardener on staff to seek advice on Hybrid-T Roses. Most botanical gardens also offer free advice to the public and may be a great resource if you have one in your community.
April 2, 2012Cody from Oreland Pa asked:
QCan I use CoreTect on fruit trees?
ACoreTect Tree and Shrub tablets are labeled for use on ornamental trees only and cannot be used on any edible vegetation. We do have a full line of products that can be used on edible plants. Please be sure to read the product label of the product you are considering so you can make sure the trees you want to treat and the insects you want to treat for are listed. We provide both the product label and the MSDS on our website on each individual product page under the picture of the product for your convenience
May 8, 2012Paramjit from Ft Lauderdale, Fl asked:
QDo you need to remove the mulch from around a shrub prior to giving tablets? Where to place tablets?
A According to the Coretect product label: For best results on established ornamentals, CoreTect Tree and Shrub Tablets Insecticide should be placed as close to the fine absorptive roots as possible. For most deciduous trees and shrubs, an adequate number of these absorptive roots are located with 6-24” of the trunk, depending on tree size. Apply CoreTect Tree and Shrub Tablets Insecticide 2-5” below the soil surface, next to the plant (ca. within 3-5” of newly planted trees or shrubs, or within 6-24” of well-established ornamentals). Ensure that the tablets are completely covered with soil after application.
For bushy coniferous trees and shrubs, numerous absorptive roots may be located near the drip-line. To apply CoreTect Tree and Shrub Tablets Insecticide post-plant to plants with a definite drip-line, place tablets 2-5” below the soil surface, evenly spaced around the tree and along the drip-line. Ensure that the tablets are completely covered with soil after application.
December 4, 2012Marco from Altadena, Ca asked:
QHow often do I need to use CoreTect ?
In order to prevent future infestation of Aphids in my Deodar cedar, how often should I apply CoreTect ?
How do I find out if my tree has drip line feeder roots or near the main trunk feeder roots ?
A While Coretect is not designed as a “preventative” treatment, if you follow the label for amount of tablets needed for the particular plant, the Coretect can stay in the plants system and treat for up to 2 years. The exact time will vary so keeping a watchful eye on the plant for any pest activity is going to help determine the longevity of the product in the plant/area. We recommend contacting a local master gardener or arborist to either come look at the plant, or to see if they know off hand the root area of the given plant.




