perennial list: g-h

Gaillardia-Blanket Flower
Gaillardia x grandiflora

36/12 in.
90/30 cm.

Sun.

Green.

Red eye gold tip.

June to Sept.
Zone 2.
Well-drained.

Gas Plant
Diactamnus alba

36/24 in.
90/60 cm.

Sun.

Green.

White, lavender.

June to July.
Zone 2.
Well-drained.

Gentian-Seven-Lobed
Gentiana septemfida

8/24 in.
20/60 cm</>

Part shade.

Green.

True blue.

July to Sept.
Zone 2.
Moist.

Gentian-Stemless
Gentiana acaulis

4/12 in.
10/30 cm.

Part shade.

Green.

True blue.

May
Zone 2.
Moist.

Geranium-Blood Cranesbill
Geranium sanguineum

18/18 in.
45/45 cm.

Sun or shade.

Green.

White, red, pink.

June to August.
Zone 3.
Well-drained.

Geranium-Gray-Leaf
Geranium cinereum

6/6 in.
15/15 cm.

Sun or shade.

Green.

Pink.

June to August.
Zone 5
Well-drained.

Geranium-Dalmatian
Geranium dalmiticum

4/6 in.
10/15 cm.

Sun or shade.

Green.

Pink.

May to July.
Zone 3.
Well-drained.

Geranium-Himalayan
Geranium himalayense

18/18 in.
45/45 cm.

Sun or shade.

Green.

Blue/
voilet.

June to July.
Zone 2.
Well-drained.

Geranium-Ingwersen

18/18 in.
45/45 cm.

Sun or shade.

Green.

Pink.

June to July.
Zone 2.
Well-drained.

Geranium-Johnson Blue
Geranium x Johnson Blue

24/24 in.
60/60 cm.

Sun or shade.

Green.

Blue/
violet.

June to August.
Zone 2.

Geranium-Magnificum
Geranium magnificum

24/18 in.
60/45 cm.

Sun or shade.

Green.

Blue/
violet.

June to July.
Zone 2.
Well-drained.

Geranium-Wargrave Pink
Geranium endressii

24/24 in.
60/60 cm.

Sun or shade.

Green.

Pink/
salmon.

June to August.
Zone 3.
Well-drained.

Geum-Avens
Geum quellyon

24/12 in.
60/30 cm.

Sun or part shade.

Green.

Yellow, orange, red.

May to Sept.
Zone 4.
Well-drained.

Geum-Dwarf Avens
Geum x 'Borisii'

12/12 in.
30/30 cm.

Sun or shade.

Green.

Orange.

May to June.
Zone 3.
Well-drained.

Globe Thistle
Echinops ritro

48/24 in.
120/60 cm.

Sun.

green

Bluish/
purple.

June to Sept.
Zone 2.
Well-drained.

Goatsbeard-Giant
Aruncus dioicus 'Kneiffii'

36/48 in.
90/120 cm.

Part shade.

Green.

White.

June to July.
Zone 2.
Moist.

Goatsbeard-Dwarf Korea
Aruncus aethusifolius

12/12 in.
30/30 cm

Part shade.

Green.

White.

June to July
Zone 2.
Moist.

Golden Rod
Solidago species

36/12 in.
90/30 cm.

Sun or shade.

Green.

Gold/
yellow

June to July.
Zone 2.
Well-drained.

Grass-Blue Fescue
Festuca ovina glauca

12/12 in.
30/30 cm.

Sun or shade.

Blue.

Tan.

May to June.
Zone 3.
Well-drained.

Grass-Blue Oat
Helictotrichon sempervirens

36/24 in.
90/60 cm.

Sun.

blue

tan

May to July.
Zone 4.
Well-drained.

Grass-Brome
Bromus inermis

36/36 in.
90/90 cm.

Sun.

Gold/
green.

Tan.

June to July.
Zone 1.
Well-drained.

Grass-Tufted Hair
Deschampsia caespitosa

36/18 in.
90/45 cm.

Sun or shade.

Green.

Various.

May to July.
Zone 4.
Well-drained.

Grass-Bulbous Oat
Arrhenatherum bulbosum 'Variegatus'

18/12 in.
45/30 cm.

Sun or part shade.

Green.

Tan, cream.

June.
Zone 3.
Well-drained.

Grass-Dwarf Cattail
Typha minima

24/12 in.
60/30 cm

Sun.

Green.

Tan, cream.

June to July.
Zone 4.
Wet.

Grass-Blue Lyme
Elymus racemosus

4/3 ft.
120/90 cm.

Sun or shade.

Blue.

Tan.

July to August.
Zone 3.
Well-drained.

Grass-Red Switch
Panicum virgatum

36/24 in.
90/60 cm.

Sun.

Green.

White.

July to August.
Zone 3.
Well-drained.

Grass-Ribbon
Phalaris arundinacea

36/24 in.
90/60 cm.

Sun.

Green.

Tan.

June to July.
Zone 2.
Moist and drained.

Heliopsis-False Sunflower
Heliopsis helianthoides

48/24 in.
120/60 cm.

Sun.

Green.

Yellow.

July to Sept.
Zone 2.
Well-drained.

Helenium-
Sneezeweed
Helenium autumnale
Helenium hoopesii

48/24 in.
120/60 cm.

Sun.

Green.

Yellow.
Red, yellow.

July to August.
Zone 3.
Well-drained.

Hens and Chicks
Sempervivum x Hybrids

6/12 in.
15/30 cm

Sun or Part shade.

Green/
purple.

Pink red gray.

June to August.
Zone 2.
Well-drained

Hollyhocks
Alcea rosea

84/18 in.
200/45 cm.

Sun.

Green.

July to August.
Zone 2.
Well-drained.

Hosta-Plantain Lily
Hosta species

24/12 in.
60/30 cm.

Shade.

Green.

White, gold. lavender.

June to August.
Zone 3.
Moist.