Pond Bank – Weed Control
Q: We recently had stones placed on the bank of our detention pond to prevent erosion. Many animals and birds live there. Weeds are growing between the stones. We need an environmentally safe herbicide to kill the unwanted plants.
A: I am comfortable recommending a glyphosate product that is labeled for aquatic use (click for sources) and which is then mixed with a non-ionic crop oil surfactant (Cygnet, Cide-Kick (click for sources) to help it stick to plant leaves. I have more details on pond weed control at Lake and Pond Weeds.
Safe Use of Glyphosate-Containing Products in Aquatic and Upland Natural Areas
Weed killers that are considered organic and labeled for landscape use have not been tested for safety in pond environments so I do not recommend them.
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1
How to protect a stump carving
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2
Roses – Black Spot Resistant
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3
UGA Downloadable Plant List Publications
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4
Noble Fir- Purchase
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5
How to Treat Tree Wounds,Gouges, and Missing Bark
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1
Bulbs – When to Plant in Fall
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2
Milkweed for Monarchs – Growing Milkweed in Georgia
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3
Poinsettia – Forcing to Bloom for Christmas
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4
Lilac – Growing in Georgia
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5
Alberta Spruce – Dying
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