A garden with a large collection of trees and

shrubs cultivated forscientific or educational purposes.

Arboretum

Plants which grow in, live in, or live on the water. 

Aquatic Plants

Plants offered for sale which have had all of the soil removed from their

roots.

Bare Root 

 The art of growing carefully trained, dwarf 

plants in containers.

Bonsai

The wearing away, washing away, or removal of soil by wind, water or man.

Erosion