Full Sun - Receives at least 6 hours of sun a day.
Partial Sun - Receives at least 4 hours of sun a day.
Dappled Shade - Produced by trees and creates a moving pattern of sunlight and shade. This shade allows for the widest range of gardening options for growing both shade- and sun-loving plants.
Open Shade - Created in a north-facing yard for as many feet out as shade is cast by an adjoining wall, fence or building. The distance the shade is cast will vary with the season. This type of shade can be a challenge for growing shade-loving plants in the middle of summer as the hot afternoon and evening sun may cause burning of leaves
Medium Shade - Occurs where open shade is further obscured by trees. Medium shade also occurs under decks and south-facing entrances with no direct sun.
Dense shade - The deepest shade, found where tall walls and fences block all but the narrowest strips of light. Dense shade can also occur under trees with dense foliage such as
Dry shade - Any of the previous shade situations involving mature trees can also be dry shade. Dry shade occurs because most trees are shallow-rooted, removing nutrients and water from nearby plants.