Posts Tagged ‘herbicide’

Planting Shrubs After Spraying Roundup

Q: My house has a steep slope in one spot. It’s been covered in pine straw but weeds have been making their way through. After using organic herbicides to no avail, I sprayed Roundup Extended Control. Now, two weeks later,...

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Is It Safe To Use Horse Manure In Large Garden

Q: Is it safe to use horse manure in large garden? I’m retiring and have plenty of land to plant vegetables to give to my neighbors. I will be getting the manure from a local stable.  A: I admire your...

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Old Bermuda Lawn Growing In New Zoysia

Q: I replaced my bermuda lawn with zoysia in late April of this year. The contractor sprayed the bermuda with some sort of herbicide cocktail and the grass turned brown in a matter of hours. Five days later he scalped...

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Lesser celandine (Fig Buttercup) – Control

Q: Can someone identify this? It’s everywhere this year. A: It is lesser celandine (fig buttercup), Ficaria verna. Although the yellow flowers are attractive, it grows so quickly that it chokes out other plans. Ferns, trillium, and other spring ephemerals...

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Bleach – Used to Kill Weeds

Q: I saw a video of a woman using a bleach solution to kill weeds. Wouldn’t this be cheaper and safer than using Roundup? A:  I’m curious why folks think bleach is “safer” than glyphosate (Roundup). The Material Safety Data...

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Grape – Herbicide Injury

Q: Can you tell me what is going on with my grape leaves? A:University of Georgia plant pathologist Elizabeth Little says “This looks like 2,4-D type damage, possibly drift from nearby lawns, pastures, hay, or corn fields. Grapes are very...

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Tomato – Herbicide Damage

Q: I planted tomatoes in a raised garden. I have dried grass clippings on top of the black biodegradable weed guard that covers the soil. I am using a 5 gallon bucket attached to a soaker hose for irrigation and...

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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...

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Iron – Used as herbicide

Q:  What do you know about the new organic weed kilers that contain chelated iron as the active ingredient? A: Several products use chelated iron (iron in plant-available form) to kill weeds. I’m familiar with Ortho Elementals Lawn Weed Killer...

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Soil Temperatures – When to Apply Pre-emergent in Spring

Summer weeds, like crabgrass, must have several consecutive days of temperatures above 55 degrees before they germinate. If the seed is right on the surface of your soil, it becomes warm quickly. If the seed is buried a bit deeper,...

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Timing Spring Pre-emergent Herbicide Application on Lawn

One of the sourest phrases that can be directed at a child or adult is “I told you so!” Whether you touch a hot match, leave tools out in the rain, or lift cinder blocks all afternoon, someone is usually...

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De-Icers – Damage to Plants

When ice and snow pile up it’s not unusual to reach for a deicing product to help melt the frozen stuff. Deicers work by lowering the freezing point of water, creating a brine (chemical-water solution). This allows water to evaporate,...

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Foaming Root Killer

From a reader:We planted a river birch near the house four years ago in honor of my mother after she died. We couldn’t figure how it was growing so fast but we found out the hard way: a sewage back...

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Vantage Herbicide – Label

It is difficult to keep up with all of the situations in which herbicides can and cannot be used. Sethoxydim (Vantage, Poast, etc) is irregularly available but can be a useful herbicide. Here is its label. Vantage...

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Image Herbicide Products – Labels

It is difficult to keep up with all of the situations in which herbicides can and cannot be used. Here are the labels for all of the Image brand...

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