Plants
- Griffiths Spurge 'Fireglow'Euphorbia griffithii 'Fireglow'
- Gro-Low Fragrant SumacRhus aromatica
- Ground Blue-convolvulusConvolvulus sabatius
- Ground CherryPhysalis ocarpa 'Mexican'
- Ground-ivy Glechoma hederacea
- Guacamole Plantain Lily
- Guelder Rose 'Compactum'Viburnum opulus 'Compactum'
- Guelder Rose 'Sterile'Viburnum opulus 'Sterile'
- Guelder rose 'Xanthocarpum'Viburnum opulus 'Xanthocarpum'
- Guelder-rose Viburnum opulus
- Gutui Kwee Adams 'Champion'Cydonia oblonga
- GypsophilaGypsophila elegans
- Gypsophila 'Deep Rose'Gypsophila elegans 'Deep Rose'
- gypsywortLycopus europaeus