Gaillardia 

Garden Phlox

Gas Plant

Gaura

Gayfeather

Geranium 

Geum

Globe Flower

Globe Thistle 

Goat's Beard 

Golden Alexander

Golden Groundsel

Goldenrod

Grasses 

Great Blue Lobelia

Great White Trillium

Helen's Flower

Helenium

Heliopsis

Helleborus

Heuchera 

Heucherella

Hibiscus

Hosta

Hummingbird Mint

Hyssop

Kobold: Walters Gardens
French Kiss: Walters Gardens
Starry Starry Night: Walters Gardens
Confetti Pink: TerraNova® Nurseries, Inc.