What's Wrong With My Houseplant?: Save Your Indoor Plants With 100% Organic ... - David Deardorff, Kathryn Wadsworth - Google Books

https://books.google.de/books?id=zoCDCwAAQBAJ&pg=PA120#v=onepage

This book will turn even the brownest thumbs green! Houseplants add style, clean the air, and bring nature indoors. But they are often plagued with problems—aphids, mealybugs, mites, and thrips to name just a few. What’s Wrong With My Houseplant? shows you…