I Added Liquid Lawn Feed To My Herbs And Don’t Know What To Do?

Question

I would like to know what to do to help the herbs recover and will the herbs still be safe to eat. The product I used was Wilko liquid lawn feed.

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Answer 1

Your herbs should be fine. They were fertilized with a mostly nitrogen product. It has less of the phosphorous and potassium. However, herbs usually don't need a lot of nitrogen as it can reduce the flavorful oils with too much vegetative growth. You can flush out the plants with lots of water to eliminate some of the product.

If you fertilized the soil, eating the foliage should not be an issue. If you sprayed the leaves with the fertilizer, you do not want to harvest them till new growth comes in.

Here is more about fertilizing herbs:

https://extension.illinois.edu/herbs/growing