Vase Form

In a plant, a manner of growth where the top springs from a single stem and spreads outward toward the top as the shape commonly taken by the American elm when growing in the open. For hedges see Plate V.


A view or prospect; commonly through or along an avenue of trees.

Wall Garden

A garden made by planting small plants in the crevices between the stones in a dry wall which is acting to support an earth embankment.

Warm Soil

A soil in which temperature conditions are such that normal root growth is active, and the root fibres attach themselves to the minute particles of soil.

Water Garden

A garden having a predominance of water-loving plants, with pools to sustain them.

Water-soaked Soil

A soil where excess moisture conditions cause the air voids to become clogged with water and air to be entirely excluded, thus causing a condition termed "drowning-out" of root systems.

Wild Garden

A garden on which little work has been done to disturb natural conditions, or a garden deliberately made to imitate natural conditions, the planting consisting chiefly of native plants, planted to get natural effects.


Noun. A parasitic disease generally caused by the anthracnose fungus.


A planting composed of plants placed in such location as to shield certain areas from undesirable winds, usually the cold northwest winds of winter.


An injury caused by the drying effect of wind upon soft bark or leaves of a plant.


The death of plants in winter due generally to sudden changes of temperature or to the ground becoming frozen too deeply.


A diseased leaf condition due to the breaking down or oxidizing of the plant leaf tissue caused by a ferment.

Zone (Planting)

An area characterized by a planting season of similar duration and dates for beginning and ending.