Is it better to cut weeds before spraying?

As an experienced gardener and landscaper, I can provide you with some insights on whether it’s better to cut weeds before spraying. In general, it is not recommended to mow weeds before spraying with herbicide, especially when the weeds are only about a foot tall. Let me explain why.

Firstly, it’s important to understand how herbicides work. Most herbicides, including popular ones like Roundup, are designed to be applied directly to the leaves of the plants. They work by being absorbed into the plant tissue and then translocated throughout the plant, eventually killing it. Therefore, for the herbicide to be effective, it needs to come into contact with the leaves of the weeds.

If you mow the weeds before spraying, you would be removing a significant portion of the leaf surface area, making it more challenging for the herbicide to come into contact with the remaining leaves. This can result in reduced effectiveness of the herbicide and potentially require additional applications to achieve a satisfactory kill.

On the other hand, if you spray the herbicide on the weeds before mowing, you can ensure that the leaves are fully exposed to the chemical. This allows for maximum absorption and translocation of the herbicide throughout the weed, leading to a more efficient and effective kill.

Additionally, mowing before spraying can also spread the weed seeds and fragments around your yard, potentially causing new weed growth in other areas. By spraying before mowing, you can minimize the dispersal of weed seeds and prevent the spread of weeds.

However, it’s worth noting that the effectiveness of herbicides can vary depending on the specific product, the type of weeds, and other factors such as weather conditions. It’s always a good idea to carefully read and follow the instructions provided by the herbicide manufacturer to ensure safe and effective use.

When dealing with weeds that are only about a foot tall, it is generally better to spray the herbicide before mowing. This allows for maximum contact of the herbicide with the leaves, leading to better absorption and translocation within the plant. Remember to follow the instructions on the herbicide label and take appropriate safety precautions when applying any chemicals in your garden or landscape.

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Caroline Bates

Caroline is a Miami-based landscaper who specializes in drought-tolerant landscapes. She is the mother of two young children and also enjoys writing for GreenPacks.org in her spare time. Caroline takes great pride in her work, and loves being able to share her knowledge with others through her writing.