| Rating | Plant Name | Thumbnail |
| 441 | Long Petalled Clematis 'Lincolnshire Lady'
Clematis macropetala |  |
442   | Clematis 'Little Nell'
Clematis viticella | No Images Yet |
| 443 | Armand's Clematis, Armand Clematis 'Little White Charm'
Clematis armandii | No Images Yet |
| 444 | Clematis 'Lord Herschell'
Clematis | No Images Yet |
| 445 | Clematis 'Lord Nevill'
Clematis | No Images Yet |
| 446 | Early, Large-flowered Clematis 'Louise Rowe'
Clematis | No Images Yet |
| 447 | Clematis 'Love Child'
Clematis chiisanensis | No Images Yet |
| 448 | Clematis 'Lucey'
Clematis | No Images Yet |
| 449 | Clematis 'Lunar Lass'
Clematis | No Images Yet |
| 450 | Late, Large-Flowered Clematis, Jackman Clematis 'Luther Burbank'
Clematis |  |
| 451 | Alpine Clematis 'M. Johnson'
Clematis alpina | No Images Yet |
| 452 | Jackman Clematis 'Madame Baron Veillard'
Clematis | No Images Yet |
| 453 | Jackman Clematis 'Madame Edouard Andre'
Clematis x jackmanii |  |
| 454 | Clematis 'Madame Grange'
Clematis |  |
| 455 | Clematis 'Madame Julia Correvon'
Clematis |  |
| 456 | Clematis 'Madame van Houtte'
Clematis | No Images Yet |
| 457 | Large-petalled Clematis 'Maidwell Hall'
Clematis |  |
| 458 | Evergreen Clematis 'Majojo'
Clematis |  |
| 459 | Clematis 'Mamori'
Clematis |  |
| 460 | Clematis 'Margaret Jones'
Clematis | No Images Yet |
| 461 | Clematis 'Margeret Hunt'
Clematis |  |
| 462 | Clematis 'Margot Koster'
Clematis | No Images Yet |
| 463 | Clematis 'Marie Boisselot'
Clematis |  |
| 464 | Early, Large Flowered Clematis 'Marie Louise Jensen'
Clematis |  |
| 465 | Early, Small-flowered, Montana Clematis 'Marjorie'
Clematis |  |
| 466 | Large-petalled Clematis 'Markham's Pink'
Clematis macropetala |  |
| 467 | Clematis 'Marmori'
Clematis |  |
| 468 | Early, Large-flowered Clematis 'Masquerade'
Clematis | No Images Yet |
| 469 | Early, Large-flowered Clematis 'Matka Siedliska'
Clematis | No Images Yet |
| 470 | Early, Large-flowered Clematis 'Matka Urzula Ledochowska'
Clematis | No Images Yet |
| 471 | Clematis 'Maureen'
Clematis | No Images Yet |
| 472 | Clematis 'Mayleen'
Clematis montana |  |
| 473 | Prairie Clematis 'Medley'
Clematis |  |
| 474 | Clematis 'Memory of the Heart'
Clematis | No Images Yet |
| 475 | Clematis 'Mevrouw Le Coultre'
Clematis |  |
| 476 | Clematis 'Midnight'
Clematis | No Images Yet |
| 477 | Clematis 'Midnight Masquerade'
Clematis recta | No Images Yet |
| 478 | Clematis 'Midnight Showers'
Clematis | No Images Yet |
| 479 | Clematis 'Mikelite'
Clematis | No Images Yet |
| 480 | Late, Large-Flowered Clematis 'Miniseelik'
Clematis |  |
