G
- GARDENIA
- GARLIC
- GAS PLANT
- GAURA LINDHEIMERI
- GAZANIA DAISY
- GENTIAN
- GERANIUM
- GERBERA DAISY, TRANSVAAL DAISY
- GERMAN STATICE
- GERMANDER
- GIANT REED
- GINGER
- GINGER LILY
- GLADIOLUS
- GLOBE AMARANTH
- GLOBE THISTLE
- GLOBEFLOWER
- GLORY LILY, CLIMBING LILY
- GLORY-OF-THE-SNOW
- GLORYBOWER
- GOAT’S BEARD
- GOLDEN ASTER
- GOLDEN LARCH
- GOLDEN POLYPODY FERN, HARE’S FOOT FERN
- GOLDEN RAY
- GOLDEN SEAL
- GOLDEN STAR, GREEN AND GOLD
- GOLDENCHAIN TREE
- GOLDENROD
- GOURD
- GRAPE
- GRAPE HYACINTH
- GRAPE IVY
- GREATER CELANDINE
- GREENBRIER, CATBRIER
- GREVILLEA
- GUAVA
- GYPSOPHILA