Q.Lavender/Salvia dying
My plants are established, but over the last two weeks, they have gone from full of life and vibrant to dropping, flowers falling off and turning brown! I have also noticed little spots on the Salvia’s leaves. Is it a fungus? And how do you get rid of it? Thank you!
-Helpless gardener

This does sound like a fungus issue, though pests can also cause leaf marks.
Excessively damp conditions or watering from above could be cause of leaf damage.
Here are some links with more information.
http://www.extension.umn.edu/garden/diagnose/plant/annualperennial/salvia/leavesdiscolored.html
Neem Oil can be used to treat most sucking insects and also works as a fungicide. Neem Oil is organic and safe for people, pets and bees.
Here is a link with more information.
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm