The following names have already been used within the species and therefore cannot be re-used. This list is not in strict alphabetical order but is sorted including spaces, full stops etc. in row order. To look at other names click on the appropriate first letter.
| L. E. Underwood | L. S. Manning | Lachskönigin | Lachsrosa |
| Lady Donald | Lady Douglas | Lady Dunglass | Lady Mary Scott |
| Lady Shelton | Lady Skelton | Lady Urville | Lake Garda |
| Late Pink | Latin Dancer | Lavender Lady | Lavender Mist |
| Lawsoniana | Lawsonii | Leaf Agnew | Lemon Drop |
| Lemon Lady | Lena | Lesley Sparkes | Leslie Sparkes |
| Letizia | Leucantha | Light | Light Pink |
| Lila Fee | Lilac | Lilac Blossom | Lilac Rambler |
| Lilac Time | Lilacina | Lilian Martin | Lily |
| Lily Evelyn | Lime Soda | Limelight | Linford |
| Linton's Red | Lionel Fortescue | Lionel Woolner | Little Anne |
| Little Peter | Lizard Downs | Löbe's Rote | Loganlea |
| Lohse's Rubin | Lohse's Rubinfeuer | Lohse's Rubinschimmer | Lohse's Ruby |
| Long Pink | Longbells | Longfellow | Longheed |
| Longhrigg | Longlea | Lord Andrews | Lord Douglas |
| Lord Dunglass | Lorna Ann | Lorna Anne Hutton | Loughrigg |
| Louise Fortescue | Lucie | Lucky Strike | Luise |
| Lumsdaine | Luna | Lutea | Lyle's Myretoun Ruby |
| Lyonesse | Lyonesse Sport |
© The Heather Society, 11 November 2009