Tools and Chemicals

How To Dispose Of Bad Milorganite?

Q: I had a bag of Milorganite that I stored in a plastic bucket. Somehow the lid was shifted and now I have a smelly, sticky mess. Any ideas how to dispose of it? We live near a lake.  A:...

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Will A Hurricane Downpour After I Apply Pre-emergent Wash It Away?

Q: Will a hurricane downpour after I apply pre-emergent wash the chemical away?  A: Pre-emergent chemicals dissolve pretty quickly. This means that even if you have a big downpour after applying, the first half-inch of rain dissolves the chemical and...

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How To Control Leaf Rollers On Canna Lilies?

Q: I sprayed my canna lilies with insecticide every two weeks to control leaf rollers. Is there something better I could be doing?  A: The cigar-rolled leaves of a canna infested with leaf rollers are really ugly. In addition to...

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Fertilizer Recommendations

Q: Most of the bushes in my yard have fertilizer recommendations of 10-10-10. For many years I’ve used liquid 10-10-10, mixing it with water from my rain barrel, but I can not longer find it. What do you recommend instead?...

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Safe Herbicides To Use Near A Creek?

Q: I have a few acres that are in need of brush control. My issue is that I have a well close to the area and my land slopes down to a creek. Are there any herbicides that are safe...

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Optimal Application Time To Apply Pendimethalin Next Year?

Q: Your recent article on stiltgrass recommended to use a pre-emergent. Can you give the optimal application time to apply pendimethalin next year?  A: Pendimethalin will control stiltgrass if it is applied before its seeds germinate in spring. Stiltgrass seed...

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Are Solar Pots Good Or Bad For Plants?

Q: Are solar pots good or bad for plants? Might they confuse a plant by shining light on the roots causing them to try to grow more? A: Solar pots are quite attractive with their soft nighttime glow. I think...

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Second Fertilization With A Kelp Product

Q: Following a pruning of our camellia hedge the professionals did a deep root fertilization and recommended a second fertilization with a kelp product. What do you think?  A: The use of biostimulants (including humic substances, seaweed extracts, and beneficial...

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Pre-emergent (pendimethalim) – Stains

Q: What could cause these stains? Bleach and a pressure washer will not clean it off. A: It sure looks like the stains caused by pendimethalin pre-emergent. The label clearly says to avoid getting it on hard surfaces. The chemical...

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How to Get Rid of Nostoc

Q: Do you have any suggestions for getting rid of the green jelly stuff in our lawn? A: You have nostoc. It’s a gelatinous colony of a type of bacteria that is usually found where grass is growing poorly due...

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Timing Of Aerate, Fertilize, And Apply Weed Control To My Lawn?

Q: Typically I aerate, fertilize, and apply a long-lasting weed control to my lawn. Do you think the effects of each activity would be less than optimal if they are done too close together?  A: I think this is fine...

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Timing and Choosing Pre-emergent Weed Preventers, Spring and Fall

Pre-emergents (weed preventers) are applied to the landscape to prevent seeds from germinating. The key is the timing. Pre-emergent herbicides MUST be applied BEFORE summer weeds (crabgrass, etc) seed germinate. In general, to get good summer weed control in Atlanta...

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Effect of Excessive Rainfall on Pre-emergent Herbicides

Effect of Excessive Rainfall on Pre-emergent Herbicides by Travis Gannon, Matt Jeffries and Fred Yelverton, North Carolina State University edited by Walter Reeves A pre-emergent herbicide application is an effective, commonly performed practice for annual weed control in many established...

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Blossom End Rot – On Tomato and Pepper

Q: What causes young tomatoes to get a black bottom that turns to rot? A: Blossom end rot is caused by lack of calcium in the tomato sap nearby when the small fruit is just starting out. Applying calcium (lime),...

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Flame Weeding – Dangerous

Using a propane weeder may be attractive to some……..but you’d better do it with an observer nearby. Man uses blowtorch to kill weeds; sets 120-year-old house on...

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Carpenter Bee Control – Bug-a-Salt Gun

If you fancy yourself a prospective big game hunter, why not start small…..hunting carpenter bees? The Bug-a-Salt (click here for sources) is an air gun that uses table salt to kill small insects.  (One wag says you can also use...

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Dandelion – Control

My young friend Ayana and I recently spent several minutes making a bouquet of dandelion flowers and blowing on the seedheads of those already bloomed. Although the flowers are bright and distinctive, some folks would rather not have this plant...

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Organic Insecticides

A hammer or a quick slap will kill an insect, but how do you control lots of them in your garden? My father paid me a quarter to hand-pick potato bugs in our garden but there is currently a shortage...

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