| 2008 | |
| 2002 | Garrya elliptica 'James-roof' |
| 2004 | Garrya fremontii |
| 1993 | Gaultheria mucronata |
| 1999 | Gaylussacia urcina |
| 2001 | Ginkgo biloba |
| 2008 | Ginkgo biloba 'Dragon' |
| 1992 | Ginkgo biloba 'Autumn gold' |
| 1991 | Ginkgo biloba' Fairmont' |
| 1991 | Ginkgo biloba 'Fastigiata' |
| 2001 | Ginkgo biloba 'Hekt Leiden' |
| 1991 | Ginkgo biloba 'Pendula' |
| 2009 | Ginkgo biloba 'Princeton Sentry' |
| | Ginkgo biloba 'Tit' |
| 1991 | Ginkgo biloba 'Tremonia' |
| 1991 | |
| 1991 | Ginkgo biloba 'Umbrella' |
| 1993 | |
| 2008 | Gleditsia aquatica |
| 2006 | Gleditsia caspica |
| 1992 | Gleditsia ferox |
| 1992 | Gleditsia japonica |
| 1992 | Gleditsia triacanthos |
| 1992 | Gleditsia triacanthos 'Rubylace' |
| 1991 | |
| 1999 | Glycyrrhiza glabra |
| 2003 | Glyptostrobus pensilis |
| 2008 | Grevillea junipera |
| 2009 | Grevillea juniperina |
| 1995 | Gunnera tinctoria |
| 1990 | Gymnocladus dioica |