Horticulture Magazine has this fascinating article about using indicator plants to help with gardening. It is called phenology, the study of plant and animal activities and when they occur each year. Phenology is a real science that has many applications. In farming and gardening, it is used chiefly for planting times and pest control.
Here's the whole article:
Horticulture - Indicator Plants
Old folkies never die
1 day ago