Botanical Name

English Name

1 Deciduous

2 Evergreen

3 Vine

4 Herbaceous

Perennial

Ultimate Height in feet

Color

Time of Bloom

Remarks

Arabis albida

White Rock-cress

4

6-8 in.

White

April & May

Flowers fragrant; one of the showiest border or rock plants. Masses of small star-shaped flowers completely cover the plant. A. G.

Arabia alpina Aralia

See also Acan-thopanax

4

6 in.

White

April & May

Somewhat dwarfer with individual flowers smaller than the preceding. Very compact in growth. A. G.

Aralia spinosa

Hercules' Club

1

15-20

Green-white

July

T. Good for tropical effects. Leaves 3-4 feet long, pinnate. Branches thorny, upright. Flowers in loose clusters about 8-10 inches long. C. G.

Arctostaphylosuva-ursi

Bearberry

2&3

A trailing plant with rich glossy leaves. Excellent for covering rocky or dry places. Difficult to transplant, but of rapid growth when established. A.G.

Arenaria balearica

Sandwort

2&4

3 in.

White

July

A moss-like plant studded with pure white flowers. Good for rockwork. A.G.

Aristolochia macrophyl-la

Dutchman's Pipe

1&3

30

A strong growing vine with immense, heart-shaped leaves and peculiar pipe-shaped flowers. Good for shady places. C. G.

Armeria maritima

Sea-pink or Thrift

2&4

9 in.

Purple

All summer

All Armerias are valuable for edging. Foliage grass-like; flowers in globular heads. A. G. I.

Armeria maritima var.

laucheana

2&4

12-18 in.

Crimson

All summer

A most persistent bloomer. A.G. I.

Armeria maritima var. alba

White Cushion-pink

2&4

9 in.

White

June

A.G.L

Arnica montana

Mountain Tobacco

4

1

Orange

July & Aug.

Good for the rock garden. Showy flowers in loose clusters about 8 or 10 inches long with dense oval foliage. A. G.

Artemisia abrotanum

Southernwood

1

3-4

Bright yellow

July

S. Fragrant, deep green and finely-cut foliage. Flowers small and insignificant. A.G.

Artemisia absinthium

True Wormwood

4

2-3

Pale yellow

July

A common garden herb, often used as a vermifuge. A,G.

Artemisia dracunculus

Tarragon

4

2

Pale yellow

July

Very aromatic, used for flavoring. A.G.

Artemisia frigida

Small Southernwood

4

1

Bright yellow

July

Fragrant, with silky, fern-like foliage. Good for sandy or dry places, and for the rockery. A. G.

Artemisia pontica

Roman Wormwood

4

2-3

Yellow

July

A pretty low-growing perennial with quite showy heads of flowers. Often used in medicine as Absinthe. A. G.

Artemisia stellariana

Old Woman

4

2

Yellow

July

Good for edging or rockwork. Folir-age white and finely cut. A. G.