Does washing up liquid kill grass?
Keeping this in view, does dishwashing liquid kill grass?
Soap does not kill grass. In fact, soap, and more specifically, dishwashing liquid, is actually part of a process to help grass grow even more lush, notes Reader's Digest.
Secondly, is it OK to use soapy water to water plants? Soapy water can benefit plants, particularly in controlling certain insects, but it's important to ensure that the soap product you use doesn't have additives that are harmful to plants and that you dilute it sufficiently to avoid damage. Always test a small portion of the plant for tolerance to the chemicals.
Similarly, will washing up liquid kill plants?
A drop of washing-up liquid or ordinary soap won't do any harm, even to young plants or seedlings, but leave very dirty or greasy water for the more rugged plants such as trees and shrubs, and don't even think about re-using water containing bleach or cleaning products.
Is washing up water OK for plants?
Plants can be watered with shower, bath, kitchen and washing machine water (from rinse cycles), collectively referred to as 'grey' water. Softened tap water and dishwasher water are less useful. Salts used in them can damage soil structure, particularly if rich in clay.