| 1991 | |
| 1998 | |
| 1991 | |
| 1991 | |
| 1993 | Larix decidua 'Pendula' |
| 1992 | Larix kaempferi |
| 1990 | Larix kaempferi 'Diane' |
| | Laurus nobilis |
| 2008 | Laurus nobilis 'Bay-tree' |
| 2008 | Laurus nobilis 'F.Augustifolia' |
| 2007 | Ledodendron x 'Artic Tern' |
| 2006 | |
| 2006 | Leptospermum 'Darlkley red' |
| 2000 | Leptospermum jasminoides |
| 2008 | Leptospernum lanicerum 'Sylver Sheey' |
| 2007 | Leptospernum sericeum 'Silver Sheen' |
| 1999 | Lespedeza bicolor |
| 1999 | Lespedeza capitata |
| 2007 | Lespedeza davidii |
| 1999 | Lespedeza thunbergii |
| 1998 | Lespedeza thunbergii 'Albiflora' |
| 2006 | Lespedeza thunbergii 'Edo shibori' |
| 1999 | |
| 1998 | |
| 2006 | Leycesteria formosa 'Purple rain' |
| 1999 | Ligustrum compactum |
| 1993 | |
| 2000 | |
| 1993 | |
| 1993 | |
| 2004 | Ligustrum lucidum 'Tricolor' |
| 1990 | |
| 1996 | Ligustrum ovalifolium 'Rotundifolium' |
| 2002 | Ligustrum quihoui |
| 2001 | Ligustrum sinence 'Wimbei' |
| 1999 2010 | Ligustrum tschonoskii |
| | |
| | |
| 1991 | Liriodendron chinense |
| 1990 | Liriodendron tulipifera |
| 1999 | Liriodendron tulipifera 'Ardis' |
| 1991 | |
| 1991 | |
| 1991 | Liriodendron tulipifera 'Fastigiatum' |
| 1996 | |
| 1991 | Liriodendron tulipifera 'Integrilobum' |
| 1995 | |
| 2004 | Lithocarpus edulis |
| 2004 | Lomatia ferruginea |
| 2004 | Lomatia silaifolia |
| 2003 | |
| 1989 | Lonicera fragrantissima |
| 2000 | Lonicera giraldii |
| 2006 | |
| 1995 | Lonicera japonica 'Aureoreticulata' |
| 1989 | lonicera tartarica |
| 2004 | lonicera x purpusii |
| 2006 | Loropetalum chinense |
| 2000 | |
| 2009 | Lyonothamnus floribundus subsp aspleniifolius |
| 2009 | Lychnis coronaria |
| 2004 | Lycium barbarum |
| 2004 | Lycium chinense |
| | |
| 2009 | Lyschiton americanus |