These groups contain the very fastest growing and most temporary types of trees and shrubs, and the more rapid-growing types of trees and shrubs often used in permanent plantings. Material may be selected from these groups when an immediate foliage effect is desired.

A. Trees:

Acer negundo Box Elder

Acer saccharinum Silver Maple

Ailanthus glandulosa Tree of Heaven

Catalpa speciosa Western Catalpa

Larix europea European Larch

Madura pomifera Osage Orange

Morus alba tatarica Mulberry

Phellodendron amurense Chinese Cork Tree

Picea excelsa Norway Spruce

Pinus rylvestris Scotch Pine

Platanus orientalis Orientital Plane

Populus (in variety) Poplar

Robinia pseudacacia

Black Locust Salix (in variety)

Willow

B. Shrubs:

Cornus alba sibirica

Siberian Dogwood Cornus stolonifera

Red Osier Cornel Deutzia crenata Pride of Rochester

Large-flowered Deutzia

Diervilla florida

Rose-coloured Weigela

Ligustrum amurense

Amoor River Privet Lonicera (in variety)

Bush Honeysuckle

Philadelphus grandifiorus Large-flowered Mock Orange

Physocarpus opulifolius Ninebark

Sambucus canadensis American Elder