Botanical Name

English Name

1 Deciduous

2 Evergreen

3 Vine

4 Herbaceous

Perennial

Ultimate Height in feet

Color

Time of Bloom

Remarks

3 inches long, on long, slender, flattened leaf-stalks. These give an interesting, restless motion to the foliage. Good for large lawns and particularly against a dark background. A. D.G.

Populus tremuloides

American Aspen

1

40-50

T. Much like the Populus grandi-dentata, but with smaller leaves and more active foliage. A. D.G.

Potentilla fruticosa

Shrubby Cinquefoil

1

3

Bright yellow

S. A good dwarf shrub with dense, narrow, gray-green foliage with numerous single flowers throughout the summer. Particularly good for swamps and rocky places. A. F.

Potentilla hybrida

Hybrid Potentilla

4

6-8 in.

Various

June & Aug.

Excellent plants for the rockery. Trailing in habit. Foliage resembles that of the strawberry. Flowers single or semi-double, in colors of crimson, orange, yellow and white. B. C. H.

Primula auricula

Auricula

4

6-8 in.

Deep red

April & May

Flowers in clusters, sometimes white or purple. Foliage coarse, dense. Good for the border or rock-garden where protection can be given in winter. B. C. H.

Primula officinalis

English Cowslip

4

6-8 in.

Deep yellow

April & May

Somewhat coarser in growth than the preceding. B.C. H.

Primula Polyantha

Polyanthus

4

6-8 in.

Various

The earliest of the Primroses to bloom. Flowers in loose clusters, large and very fragrant. Good under trees, particularly on sheltered hillsides, or in the rock-garden. B. C. H.I.

Primula Sieboldi

Siebold's Primrose

4

8-10 in.

Purple

April & May

The largest and showiest of the Primroses. Individual flowers sometimes 1 1/2 inches across, in loose clusters. Good under trees, and particularly so on sheltered hill-sides, or in the rock-garden. B. C. H. I.

Primula vulgaris

Common

Primrose or

Polyantha

4

6-8 in.

Pale yellow

April & May

Single flowers about 1 inch across, on soft, hairy stems. Foliage tufted and pretty. Good in the wild-garden or naturalized under trees. All primroses should be shaded from midday sun and given considerable winter protection. B. C. H.

Prunus cerasifera var. atropurpurea or Prunus Pissardi

Purple-leaved Plum

1

8-10

Pink

May

S. A small tree or shrub, which retains its color well through the summer. It is open in growth, and much like the English Plum. It is most effective among tall shrubs for color contrast. A. G. D.