Most of the plants in this group are not of a deep-rooted type and are better adapted for use in the heavy types of soil. These plants, under normal conditions, should be planted in heavy clay soil which is not well drained. This list is compiled for reference where the extreme of clayey soil conditions exist and a particularly safe group of plants is desired from which to select.

a. Trees:

Abies balsamea Balsam Fir

Abies brachyphylla

Nikko Fir Abies veitchi

Veitch's Silver Fir Acer rubrum

Red Maple

Acer saccharum Sugar Maple

Catalpa bignonioides Indian Bean

Fagus (in variety) Beech

Larix europaea European Larch

Larix laricina Tamarack

Larix leptolepsis Japanese Larch

Picea excelsa Norway Spruce

Pinus strobus White Pine

Thuja occidentalis American Arborvitae

Tsuga canadensis Canadian Hemlock b. Shrubs:

Aralia (in variety)

Angelica Tree Berberis thunbergi

Thunberg's Japanese Barberry Calycanthus floridus

Strawberry Shrub

Cornus (in variety) Dogwood

Corylus avellana Filbert

Diervilla trifida Bush Honeysuckle

Halesia Carolina Silver Bell

Hamamelis virginiana Witch Hazel

Viburnum (native varieties) Viburnum c. Fines:

Actinidia (in variety)

Silver Vine Akebia quinata

Five-leaved Akebia

Lonicera japonica halliana Japanese Honeysuckle

Wisteria sinensis Chinese Wisteria