Although aphids can cause damage to your plants (usually in the form of feasting ... you might need to try a more aggressive treatment. When feeling desperate, you can test out using a spray ...

Although it’s usually best to avoid treating aphids on milkweed, treatment may be in order if your milkweed plants look severely stressed. To keep monarchs and other pollinators safe ...

Your description sounds like you have a problem with whiteflies and a population big enough that it requires treatment. Despite their name, they resemble moths more than flies and are a common ...