Tools and Chemicals

University of Georgia Fertilizer Calculator

It’s a great idea to have your soil tested by the UGA Soils laboratory to find out exactly what nutrients your soil contains. But it’s quite common to receive from the lab a fertilizer recommendation that contains fertilizer products you...

READ MORE

Ice on Azaleas at Masters Golf Tournament – Not True

Michael D. gives an intriguing bit of information: “I was listening to the radio this past weekend, and heard the discussion about early blooming at the Augusta National. Icing azaleas is a rumor that got started years ago when the...

READ MORE

What can I spray to kill this

Hi there, I am wanting to know what I can spray on this to kill it without hurting my hybrid bermuda lawn. The sod was laid December 15th 2011, these weeds have been coming up since mid February. I have...

READ MORE

Dihydrogen Monoxide – Using on Plants

When I mentioned on radio that I had found nothing better than dihydrogen monoxide to keep my Christmas tree fresh, I was deluged with requests for a source. Fortunately, there are several vendors of this miraculous liquid in the metro...

READ MORE

Pre-emergent (Halts, pendimethalin) – Staining Driveway

Sometimes it just takes a little hands-on research to solve a problem. A member of Hometalk.com asked this question: How can we remove the rust stain from a fertilizer from our concrete driveway and sidewalk? I replied: If the product...

READ MORE

Glyphosate (Roundup) – Claimed Not to Work

Glyphosate (Roundup, etc) is a common herbicide. By most accounts it is effective at killing plants as stated on the label. However, some gardeners swear that “Roundup won’t touch my ivy (liriope, wisteria, etc)!! Why doesn’t it work?” I think...

READ MORE

Bioassay – Testing Manure and Hay for Herbicide Contamination

How to Test for the Presence of Herbicides: Pot and Field Bioassays taken from “Herbicide Carryover in Hay, Manure, Compost,and Grass Clippings” NC State University Some laboratories can test for the presence of  herbicides, but the tests are expensive and...

READ MORE

Dominion – Use for Azalea Lacebug

Q: Can I use Dominion insecticide to control azalea lace bug? It has the same ingredient as the “tree & shrub systemics” I see for sale at garden stores but Dominion is more concentrated. A: Dominion 2L insecticide is labeled for use...

READ MORE

Pesticide Half-life and Mode of Action

Q: What is the half-life in soil of 2,4-D? How can I tell if it is the culprit for damage to my tomatoes? A: 2,4-D is a common component of broadleaf weedkillers. According to material from Canada, the half-life is...

READ MORE

Tools (Gifts) Recommended by Other Gardeners

A couple of weeks ago I listed several garden tools to which I am particularly partial when performing garden chores. I invited readers to tell me which tools they found especially useful. Jim Wallace responded “I am encouraged on two...

READ MORE

Robotic Lawnmower (LawnBott)

Recently the nice folks at Kyodo America loaned me a robotic lawnmower, a LawnBott, to use on my lawn. In a word, it is fantastic! A small wire is buried around the perimeter of the lawn. When the mower begins...

READ MORE

Georgia Pest Management Handbook

If you want to know the latest recommendations on the best pesticides to use in your landscape or garden, your first resource should be the Georgia Pest Management Handbook. It contains excellent list of pests and diseases that attack lawns,...

READ MORE

Spinosad

Spinosad is a useful organic insecticide. It is derived from a naturally occurring soil bacteria, Saccropolyspora spinosa, which happens to be deadly to insects but not to animals. Spinosad is found in bait products for fire ant control as well...

READ MORE

Systemic Insecticide

Systemic insecticides kill insects by being drawn up into the sap of a plant before insects attack. When a pest insect drinks the plant’s sap, it is poisoned by the insecticide. When a harmless insect simply lights on the plant,...

READ MORE

University of Georgia Soil Test Handbook

If you want to get behind the science of how fertilizer recommendations are made, there is no better source than the University of Georgia Soil Test Handbook. This large publication is developed with the collaboration of soil scientists and plant...

READ MORE

Lawn Insecticides

Lawn insecticides are labeled for controlling insects in a lawn. The insecticide may be a bait or a broadcast product. Synthetic (non-organic) insecticides are usually pyrethroid chemicals. These chemicals originated in the organic insecticide pyrethrin. Pyrethroids are chemivals that have...

READ MORE

Science Project – Effects of Vitamins on Plants

This link discusses the research of scientists in India who soaked pearl millet seeds in various vitamin solutions. The results indicated that vitamins reduced the incidence of disease. This would be an excellent science project. Try soaking alfalfa seed or...

READ MORE

Bayer Product Labels

This is a link to all current Bayer Advanced...

READ MORE