Botanical Name

English Name

1 Deciduous

2 Evergreen

3 Vine

4 Herbaceous

Perennial

Ultimate Height in feet

Color

Time of Bloom

Remarks

Hemerocallis fulva var.

Kwanso

Double Day-lily

4

3

Orange

July & Aug.

A variety of the preceding with double flowers. Foliage large and handsome; sometimes prettily variegated. A.G.

Hemerocallis Midden-dorfii

4

2

Orange

June & July

A very pretty species with fragrant flowers in clusters of three or four. Excellent for the border or rock-garden. A. F. I.

Hemerocallis Dumorti-erii

4

1 1/2

Bright yellow

June to Sept.

Very free flowering and one of the best. Excellent in the border. A. F. I.

Hemerocallis Thunber-

4

3

Yellow

June & July

A vigorous growing and very free-flowering species, much resembling H. flava. A. F. I.

Hepatica acutiloba

Liver-leaf

4

6 in.

Blue or white

April

One of the earliest plants to flower in the spring. Flowers about 1/2 inch across and produced in profusion. Good for the rock-garden or under trees. A.G.

Hepatica angulosa

4

6 in.

Blue

April

Flowers very showy, about 2 inches across. Pretty foliage. A. G.

Hepatica triloba

4

6 in.

Blue

April

Leaves three-lobed; dark green. Flowers small but produced in great abundance. An attractive plant and good for the rock-garden or shady places. A.G.

Heracleum villosum

Giant Parsley

4

8

White

July & Aug.

Beautiful, large, deep green leaves. Flowers small and in dense clusters. Good for sub-tropical effects. A. F.

Herniaria glabra

Rupture-wort

2&4

2 in.

Greenish

July & Aug.

A rapidly spreading plant which is dense in growth. Small flowers in clusters. Good under shrubs or for carpeting. A. G.

Hesperis matronalis

Sweet Rocket

4

2 1/2

Lilac

June to Aug.

Common in old gardens. Flowers in clusters, somewhat resembling Phlox paniculata. A. G. I.

Hesperis matronalis var. alba

4

2 1/2

White

June to Aug.

A white variety of the preceding.

Heuchera Americana

Alum Root

4

1 1/2

Pink

July

Showy bell-shaped flowers in loose panicles on stout stems about 18 inches long. A good plant for the border. A. G. I.

Heuchera sanguinea

Coral Bells

4

1

Red

June to Sept.

Excellent for the border or rock-garden. Flowers abundant in panicles. A.G. I.

Heuchera sanguinea var. alba

4

1

White

June to Sept.

Flowers pure white, but not so conspicuous as the type. Good in the wild-garden or rockery. A. G.

Hibiscus californicus

Rose Mallow

4

5

White or rose

Sept. & Oct.

Flowers sometimes 5 inches across, with purple centres. Shrubby in growth. Good among shrubs or in the flower border. B. H.