How does plant scale travel from plant to plant? Does plant scale survive only on plants? Do they survive on anything else? I have a 6'x10' fenced patio with 15+ plants, two plants w/scale are 5'+ from others.
How Does Plant Scale Move From Plant to Plant
Certified GKH Gardening Expert
They normally only affect plants. We recommend treating these kinds of pest with neem oil. It is safe for humans and animals but is very effective against most destructive plant pests. Here is more information on both neem oil and scale: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm