Once you know the group, you can prune accordingly

Clematisvarieties are separate into three groups accord to blooming time and feature : Group 1 ( bound bloomers ) , Group 2 ( repeat bloomers ) , and Group 3 ( summertime orfall pants ) . Each group has its own pruning protocol ; seePruning Clematisfor elaborate entropy on timing and techniques .

Group 1 clematis (spring bloomers)

C. alpina‘Burford White’‘Columbine’‘Franci Rivis’‘Frankie’‘Jacqueline du Pré’‘Pamela Jackman’‘Rosy Pagoda’‘Ruby’‘White Columbine’‘Willy’C. alpinasubsp.sibirica‘White Moth’C. armandii‘Apple Blossom’‘Snowdrift’C. chiisanensisC. chrysocomaand cvs . ‘Continuity’C. cirrhosaC. cirrhosa var . balearicaC. columbianaC. finetianaC. foetidaC. forsteriC. gentianoidesC. japonicaC. macropetalaand cvs . ‘Blue Bird’‘Maidwell Hall’‘Markham ’s Pink’‘Snowbird’C. marataC. marmorariaC. meyenianaC. montanaand cvs.f.grandiflora‘Alexander’‘Elizabeth’‘Peveril’‘Picton ’s Variety’‘Tetrarose’C. napaulensisC. petrieiC. phlebanthaC. quinquefoliolataC. spooneriC. uncinataC.   ×vedrariensisand cvs . ‘Highdown ’

Group 2 clematis (repeat bloomers)

Clematis ‘ Nelly Moser’Photo / Illustration : Jennifer Benner

C. floridaC. patenshybrids‘Alice Fisk’‘Andrew’‘Asao’‘Barbara Dibley’‘Barbara Jackman’‘Beauty of Richmond’‘Beauty of Worcester’‘Bees ’ Jubilee’‘Belle Nantaise’‘Belle of Woking’‘Capitaine Thuilleaux’‘Carnaby’‘Chalcedony’‘Charissima’‘Corona’‘Countess of Lovelace’‘Crimson King’‘C. W. Dowman’‘Daniel Deronda’‘Dawn’‘Dr . Ruppel’‘Duchess of Edinburgh’‘Duchess of Sutherland’‘Edith’‘Édouard Defossé’‘Elsa Späth ’ ( syn . ‘ Xerxes’)‘Empress of India’‘Étoile de Malicorne’‘Étoile de Paris’‘Fair Rosamond’‘Fairy Queen’‘Fireworks’‘General Sikorski’‘Gillian Blades’‘Gladys Picard’‘Haku Ookan’‘Henryi’‘Herbert Johnson’‘H.F. Young’‘Horn of Plenty’‘Imperial’‘Ishobel’‘Jackmanii Alba’‘Jackmanii Rubra’‘James Mason’‘Joan Picton’‘John Paul II’‘John Warren’‘Kacpur’‘Karin’‘Kathleen Dunford’‘Kathleen Wheeler’‘Keith Richardson’‘Ken Donson’‘King Edward VII’‘King George V’‘Kiri Te Kawana’‘Lady Caroline Nevill’‘Lady Londesborough’‘Lady Northcliffe’‘Lasurstern’‘Lawsoniana’‘Lincoln Star’‘Lord Nevill’‘Louise Rowe’‘Marie Boisselot’‘Miriam Markham’‘Miss Bateman’‘Miss Crawshay’‘Moonlight’‘Mrs . Bush’‘Mrs . Cholmondeley’‘Mrs . Hope’‘Mrs . George Jackman’‘Mrs . James Mason’‘Mrs . N. Thompson’‘Mrs . P.B. Truax’‘Mrs . Spencer Castle’‘My_j_’‘Nelly Moser’‘Niobe’‘Peveril Pearl’‘Princess of Wales’‘Prins Hendrik’‘Proteus’‘Richard Pennell’‘Royalty’‘Saturn’‘Scartho Gem’‘Sealand Gem’‘Serenata’‘Silver Moon’‘Sir Garnet Wolseley’‘Snow Queen’‘Susan Allsop’‘Sylvia Denny’‘The President’‘Titania’‘Twilight’‘Veronica ’s Choice‘Violet Charm’‘Violet Elizabeth’‘Vyvyan Pennell’‘Wada ’s Primrose’‘Walter Pennell’‘W.E. Gladstone’‘Wilhelmina Tull’‘Will Goodwin’‘William Kennett ’

Group 3 clematis (summer or fall bloomers)

C. addisoniiC. aethusifoliaC. apiifoliaC. brachiataC. buchananianaC. campanifloraC. chinensisC. connataC. crispaC.×durandiiC.   ×eriostemonC. flammulaC. fruticosaC. fuscaC. heracleifolia‘Campanile’‘Wyevale’C. integrifolia‘Alba’‘Hendersonii’‘Pastel Pink’‘Tapestry’C.   ×jouinianaC. ladakhianaC. ochroleucaC. orientalis‘Bill MacKenzie’C. pitcheriC. potaninii(syn . C. fargesiivar.souliei)C. recta‘Purpurea’C. rehderianaC. serratifoliaC. songaricaC. stansC. tanguticaC. tanguticavar.obtusiusculaC. terniflora(syn . C. paniculata)C. texensis‘Duchess of Albany’‘Étoile Rose’‘Gravetye Beauty’‘Lady Bird Johnson’‘Sir Trevor Lawrence’C. tibetanaC. versicolorC. viornaC. vitalbaC. viticella‘Abundance’‘Alba Luxurians’‘Carmencita’‘Elvan’‘Little Nell’‘Margot Koster’‘Minuet’‘Purpurea Plena Elegans’‘Royal Velours’‘Tango’‘Venosa Violacea’Hybrids‘Allanah’‘Aromatica’‘Ascotiensis’‘Blue Boy’‘Comtesse de Bouchaud’‘Cylindrica’‘Edward Prichard’‘Ernest Markham’‘Gipsy Queen’‘Guiding Star’‘Hagley Hybrid’‘Huldine’‘Jackmanii’‘John Huxtable’‘Kermesina’‘Lady Betty Balfour’‘Mme . Baron Veillard’‘Mme . Édouard André’‘Mme . Grangé’‘Mme . Julia Correvon’‘Margaret Hunt’‘Maureen’‘Mrs . Robert Brydon’‘Olgae’‘Pagoda’‘Perle d’Azur’‘Pink Fantasy’‘Prince Charles’‘Rouge Cardinal’‘Star of India’‘Victoria’‘Ville de Lyon’‘Voluceau’‘Warszawska Nike ’

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Clematis ‘Nelly Moser’ Photo/Illustration: Jennifer Benner

Clematis ‘Nelly Moser’ Photo/Illustration: Jennifer Benner

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