INTERNATIONAL LILAC SOCIETY
LILACS: GENUS SYRINGA
LILAC NAMES IN ALPHABETICAL ORDER
MORE LILACS: A B D
The cultivar names listed below are established and accepted by the International Cultivar Registration Authority (ICRA); or where (*)'d are not registered by the  ICRA, but are known from other plant literature and is reasonable to assume are in cultivation.
FORMAT: Name of plant, species,single or double flower, color, producer or propagator, year of introduction
C
'Caerulea Superba', see 'Coerulea'
'Caliban', prestoniae (Villosae Group), single, pink, Preston, 1938
'California Rose', hyacinthiflora, single, pink, Sobeck, ?
'Calphurnia', prestoniae (Villosae Group), single, lilac, Preston, <1942
'Calvin C Lanet', vulgaris, single., purple, Dunbar, 1923
'Camille de Rohan', see 'Princesse Camille de Rohan'
'Candeur', vulgaris, single, white, Lemoine, 1931
'Capitaine Baltet', vulgaris, single, magenta, Lemoine, 1919
'Capitaine Perrault', vulgaris, double, pink, Lemoine, 1925
'Capitan Gastello', see 'Kardyna'
'Cardinal', see "Kardyna'
'Carley', vulgaris, single, white, Havemeyer, <1942
'Carlton', swegiflexa (Villosae Group), single, pink, Preston, 1948
'Carmen', vulgaris, double, pink, Lemoine, 1948
'Carmine', vulgaris, single, magenta, Klager, 1928
'Caroli', see 'Charles X'
'Caroline Foley', vulgaris, single, magenta, Rankin, ?
'Carolyn Howland', vulgaris, single, blue/magenta, Berdeen, 1976
'Carolyn Mae', vulgaris, double, lilac/pink, Sass, J., 1942
'Case's Frilled Pink', vulgaris, double, pink, Case, ?
'Casimir Perier', 'Casimir Perrier', see 'Mme Casimir Perier'
'Catawba Pink', vulgaris, double, pink, Utley, 1980
'Catherine Bruchet', see 'Mme Catherine Bruchet'
'Catinat', hyacinthiflora, single, pink, Lemoine, 1922
'Cavour', vulgaris, single, violet, Lemoine, 1910
'C. B. van Nes', vulgaris, single, purple, Van Nes, 1901
'Celestial Blue', vulgaris, single, blue, Klager, 1930
'Celia', prestoniae (Villosae Group), single, lilac, Preston, 1928
'Centenaire de la Linneenne', vulgaris, single, lilac, Klettenberg, 1936
'Centennial', see 'Sesquicentennial'
'Chadwick', see 'Doctor Chadwick'
'Champlain', vulgaris, double, violet, Lemoine, 1930
'Changtongbai', oblata, single, white, Zang & Fan, 1984
'Chantilly Lace', reticulata ssp reticulata, single, white,
Herrmann, ca 1990
'Charlemagne', vulgaris, single, purple, Brahy-Ekenholm, <1854
'Charles Baltet', vulgaris, double, lilac, Lemoine, 1893
Charles Dix, see 'Charles X'
'Charles Hepburn', villosa, single, pink, ?, <1934
'Charles Joly', vulgaris, double, purple, Lemoine, 1896
'Charles Lindbergh', vulgaris, single, violet/blue, Fenicchia, 1988
'Charlesmagne', see 'Charlemagne'
'Charles Nordine', hyacinthiflora, single, blue, Skinner, <1953
'Charles Sargent', vulgaris, double, blue, Lemoine, 1905
'Charles the Tenth', see 'Charles X'
'Charles X', vulgaris, single, magenta, ?, <1830
'Charlotte Morgan', vulgaris, double, magenta, Seabury, ca 1928
'Charm', vulgaris, single, pink, Havemeyer, <1941
'Charmhin', see 'Charmian'
'Charmian', prestoniae (Villosae Group), single, lilac, Preston, 1928
Chengtu lilac, see S. sweginzowii, Koehne & Lingelsh
'Cheyenne', oblata ssp dilatata, single, blue, Dorsett,
Morse & Hildreth, 1971
'Chicago Tower', see 'Morton'
'Chiffon', hyacinthiflora, single, lilac, Sobeck, ?
'China Gold', reticulata, single, white, Fiala, ?
China Snow (TM), see 'Morton'
chinensis alba Rehder, see 'Correlata'
chinensis nothof, bicolor (Lemoine) Jager, see 'Bicolor'
chinensis f. carnea Audibert, see 'Carnea'
chinensis f. metensis Simon-Louis, see 'Metensis'
chinensis f. saugeana (Loudon), see 'Saugeana'
'Chinese Magic', pekinensis x reticulata ssp amurensis, single white, Fiala, 1982
Chinese Rouen hybrid lilac, see S. x chinensis Schmidt ex Willd
'Chmurka', vulgaris, single, magenta, Karpow-Lipski, ca 1971
'Chris', vulgaris, single, purple, Berdeen, 1969
'Christophe Colomb', vulgaris, single, lilac, Lemoine, 1905
'Christopher Columbus', see 'Christophe Columb'
'Chunge', vulgaris, double, pink/purple, Zeng & Fan 1984
'Churchill', hyacinthiflora, single, pink, Skinner, 1945
'City of Chehalis', vulgaris, single, pink, Klager, ?
'City of Gresham', vulgaris, single, purple, Klager, 1915
'City of Kalama', vulgaris, single, purple, Klager, 1915
'City of Kelso', vulgaris, double, pink, Klager, ?
'City of Longview', vulgaris, double, pink, Klager, 1930
'City of Olympia', vulgaris, single, lilac, Klager, 1934
'City of Woodland', see 'Woodland'
'Clara', vulgaris, single, pink, Klager, 1928
'Clara Cochet', vulgaris, single, pink, Cochet, 1855
Clara m 2 or Clara #2, see 'Dresden China'
'Clarence D Van Zandt', vulgaris, single, purple, Dunbar, 1923
'Clarke's Giant', hyacinthiflora, single, blue, Clarke, 1948
'Claude Bernard', hyacinthiflora, double, pink, Lemoine, 1915
'Claude de Lorrain', vulgaris, single, purple/pink, Lemoine, 1889
'Cleopatra', prestoniae (Villosae Group), single, magenta, Preston, 1937
'Clyde Heard', vulgaris, single, magenta, Heard, 1984
coerulea, see S. vulgaris var. coerulea Weston
'Coerulea Superba', vulgaris, single, blue, Ellwanger & Barry, 1868
'Colbert', vulgaris, double, magenta, Lemoine, 1899
'Colmariensis', vulgaris, single, blue, ? ca 1840
'Col. Wm. R. Plum', vulgaris, single, purple, Brand, <1942
Commemoration of S.M. Kirov, see 'Pamyat'
'Comsomolka' see 'Komsomolka'
'Comte Adrien de Montebello',vulgaris, dounle, lilac, Lemoine, 1910
'Comte de Kerchove', vulgaris, doubel, magenta, Lemoine, 1899
'Comte Horace de Choiseul', vulgaris, double, pink, Lemoine, 1887
'Comte Oswald de Kerchove de Denterghem', vulgaris, single, lilac,
Klettenberg, 1934
'Comtesse d'Harcourt', vulgaris, single, white, Bellion, 1995
'Comtesse Horace de Choiseul', vulgaris, double, pink, Lemoine, 1891
'Condorcet', vulgaris, double, magenta, Lemoine, 1888
'Congo', vulgaris, single, magenta, Lemoine, 1896
'Conquete', vulgaris, single, magenta, ?, <1940
'Conseiller Heyder', see 'Geheimrat Heyder'
'Conseiller Singelmann', see 'Geheimrat Singelmann'
'Constance', prestoniae (Villosae Group), single, purple, Preston, 1928
Copper Curls (TM), see 'SunDak' (pekinensis)
'Cora Brandt', vulgaris, double, white, Clarke, 1947
'Coral', prestoniae (Villosae Group), sink, pink,
Morden Research Centre, 1936
'Cora Lyden', vulgaris, double, pink, Lyden, ca 1966
'Corinne', vulgaris, single, magenta, Baltet, <1900
'Correlata', chinensis + vulgaris (graft chimaera), single, white,
Wolfhagen, ?, <1873
'C. Perier', see 'Mme Casimir Perier'
'Crampel', vulgaris, single, blue, Lemoine, 1899
'Crayton Red', henryi, single, purple, ?, <1931
'Crepuscule', vulgaris, single, blue, Lemoine, 1928
'Croix de Brahy', vulgaris, single, pink, Brahy-Ekenholm, 1853
'Crux Brahy', see 'Croix de Brahy'
'Crystal', see 'Chrystle'
'Cynthia', vulgaris, single, pink, Berdeen, 1971