My mustard plants have white scales at the bottom. How do I prevent and control that?
Control of White Scales
Certified GKH Gardening Expert
Thank you for sending us your gardening question. Neem oil is an effective way to control scale. It is safe for plants, people, and animals (including beneficial insects). Here is an article that you may find helpful: https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm