Botanical

Name

English

Name

1 Deciduous

2 Evergreen

3 Vine

4 Herbaceous

Perennial

Ultimate Height in feet

Color

Time of Bloom

Remarks

CEnothera fruticosa

Sun Drops

4

2.3

Yellow

June & July

A very showy, somewhat shrubby plant; one worthy of a place in the hardy border. A profuse bloomer. A. F.

CEnothera fruticosa var. Youngii

Yellow Evening Primrose

4

2

Bright yellow

All summer

Vigorous in growth, with decumbent, slender branches. These are completely covered with single flowers which are about 1 1/2 inches across. Particularly good for the rockery. A. B. F.

CEnothera Missourien-sis

Missouri Primrose

4

1

Bright yellow

June to Aug.

Flowers single, often 5 inches across. A very free bloomer and attractive in the rock-garden or border. A. B. F.

CEnothera speciosa

White Evening Primrose

4

1 1/2

White

Aug. & Sept.

Very free-flowering. Branches slender. Flowers about 1 1/2 inches across, turning light pink with age. A good plant For the border or rockery. A. B. F.

Onoclea sensibilis

Sensitive Fern

4

1 1/2

A hardy native fern with broad, triangular leaves. Good under trees or in the rock-garden. A. G.

Onoclea struthiopteris or Matteuccia

Ostrich Fern

4

3

Erect, dark green, feathery foliage. Effective if massed back of smaller ferns. Prefers a rich, moist soil. A. F.

Ononis rotundifolia

Round-leaved Rest Harrow

4

1

Deep rose

June

Trifoliate leaves. Flowers pea-shaped, in racemes. Somewhat shrubby in growth, and good for the rockery. A.G. I.

Opuntia missouriensis

Prickly Pear

2,4

1

Bright yellow

July & Aug.

An interesting, low growing, spreading cactus with showy flowers 2 to 3 inches across. Joints obovate, with innumerable sharp, reddish spines. Good among rocks. A. G.

Opuntia vulgaris

CommoCactus or

Prickly Pear

2,4

1

Dull yellow

June to Sept.

Resembles the preceding, but with lighter green or grayish spines. A. G.

Origanum vulgare

Wild Marjoram

4

1 1/2

Purple

June

A spreading plant with quite showy flower clusters. Foliage fragrant and often used for seasoning. A. G.

Osmunda cinnamomea

Cinnamon Fern

4

4

One of our most common and most showy ferns; fronds deep green, sometimes 6 to 8 inches wide. Attractive in masses under trees. A. F.

Osmunda claytoniana

Interrupted Fern

4

3

Excellent for low places, but less decorative than either of the other Osmundas.

Osmunda regalis

Royal Fern

4

3

Well adapted for open and moist places. Leaves smooth and pale green, sometimes bearing panicles of flower-like fruits. A. F.