TL;DR : A variety of reasons, too much water, not enough water, diseases, insects, bacteria, nutrient deficiencies, cold drafts, ageing, renewal of leaves, lack of sunlight… Most of these can easily be solved but it might take a little time […]
Getting to know plants better
Gardening is all about the relationship about the gardener and his plants. To make the best out of the relationship you should learn as much as you can about the other party shouldn’t you? Learning more everyday about how plants work will make you a better gardener.