Clematis Ratings

Large-flowered, Late. Single, grooved, overlapping bloom form. Midsummer to early autumn. USDA zone 5b through 8b. Height of 6' to 8' (185 to 245 cm). Brother Stefan Franczak (1986).

50 favorite votes. Average rating: EXCELLENT-. Cold hardy: EXCELLENT (2 votes).

C,F,G,N,O,P,R,VWarszawska Nike

Large-flowered, Late. Single, grooved, overlapping bloom form. Midsummer to early autumn. USDA zone 5b through 8b. Height of 6' to 8' (185 to 245 cm). Brother Stefan Franczak (1986).

50 favorite votes. Average rating: EXCELLENT-. Cold hardy: EXCELLENT (2 votes).

A,C,F,G,L,N,O,P,R,T,VAlpina

Alpina Group, Early Small Flowered, Group 1, Species. Blue. Single, nodding bloom form. Mid-to-late spring, occasional flowers later. USDA zone 3b through 9b. Height of 8' to 10' (245 to 305 cm). Unknown (1768).

14 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,L,N,O,P,R,T,VAtragene alpina L. Synonym

Alpina Group, Early Small Flowered, Group 1, Species. Blue. Single, nodding bloom form. Mid-to-late spring, occasional flowers later. USDA zone 3b through 9b. Height of 8' to 10' (245 to 305 cm). Unknown (1768).

14 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

C,F,G,L,N,O,P,R,VB.O. Worcester

Late Large Flowered. Blue-violet with white stamens. Semi-double to double bloom form. Late summer to midautumn. USDA zone 4b through 9b. Height of 6' to 8' (185 to 245 cm). Richard Smith & Company (1886).

25 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

C,F,G,L,N,O,P,R,VBeauty of Worcester

Late Large Flowered. Blue-violet with white stamens. Semi-double to double bloom form. Late summer to midautumn. USDA zone 4b through 9b. Height of 6' to 8' (185 to 245 cm). Richard Smith & Company (1886).

25 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

G,L,N,O,P,R,VBlack Tea

Early Large Flowered, Group 2. Purple, red stripes, red anthers. Large, single bloom form. Late spring to late summer, late summer to early autumn. Height of up to 6' 7" (up to 200 cm). Hiroshi Hayakawa / Akakawa (1995).

5 favorite votes. Average rating: GOOD+. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,N,O,P,R,VBlekitny Aniol

Group 3, Large-flowered, Late. Blue. Single bloom form. Early summer to early autumn. USDA zone 4b through 9b. Height of 10' to 12' (305 to 365 cm). Brother Stefan Franczak (1990).

49 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,N,O,P,R,VBlue Angel

Group 3, Large-flowered, Late. Blue. Single bloom form. Early summer to early autumn. USDA zone 4b through 9b. Height of 10' to 12' (305 to 365 cm). Brother Stefan Franczak (1990).

49 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,L,N,O,P,R,T,VC. alpina

Alpina Group, Early Small Flowered, Group 1, Species. Blue. Single, nodding bloom form. Mid-to-late spring, occasional flowers later. USDA zone 3b through 9b. Height of 8' to 10' (245 to 305 cm). Unknown (1768).

14 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,N,O,P,R,VC. 'Blekitny Aniol'

Group 3, Large-flowered, Late. Blue. Single bloom form. Early summer to early autumn. USDA zone 4b through 9b. Height of 10' to 12' (305 to 365 cm). Brother Stefan Franczak (1990).

49 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,N,O,P,R,VC. 'Blue Angel'

Group 3, Large-flowered, Late. Blue. Single bloom form. Early summer to early autumn. USDA zone 4b through 9b. Height of 10' to 12' (305 to 365 cm). Brother Stefan Franczak (1990).

49 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,L,N,O,P,R,VC. 'Doctor Ruppel'

Early Large Flowered, Group 2. Pink, red center, yellow stamens. Single, ruffled edge bloom form. Late spring to early summer, late summer. USDA zone 4b through 9b. Height of 8' to 10' (245 to 305 cm). Dr. Ruppel (1973).

24 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,N,O,P,R,U,VC. 'Etoile Violette'

Group 3, Late, Small-flowered, Viticella Group. Single, semi-nodding bloom form. Mid-to-late summer. USDA zone 3b through 9b. Height of 10' to 13' (305 to 395 cm). Francisque Morel (1885).

61 favorite votes. Average rating: EXCELLENT-. Cold hardy: EXCELLENT (1 vote).

A,C,E,F,G,L,N,O,P,R,VC. 'Evijohill'

Early Large Flowered, Group 2. Pink, lilac shading. Large, full bloom form. Early summer to early autumn. USDA zone 4b through 9b. Height of 6' to 8' (185 to 245 cm). Josephine Hill (1980).

47 favorite votes. Average rating: EXCELLENT-. Cold hardy: EXCELLENT (1 vote).

A,F,G,L,N,O,P,R,U,VC. 'General Sikorski'

Large-flowered, Mid-season. Blue, yellow anthers. Single, scalloped edge bloom form. Early summer to early autumn, midsummer to early autumn. USDA zone 4b through 9b. Height of 6' to 8' (185 to 245 cm). Brother Stefan Franczak (1975).

63 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

C,G,J,L,N,O,P,R,VC. integrifolia 'Rooguchi'

Group 3, Herbaceous Group, Late, Small-flowered. Purple. Small, single, bell-shaped, curved edge bloom form. Early summer to early autumn. USDA zone 5b through 8b. Height of 6' 7" to 8' 2" (200 to 250 cm). Kazushige Ozawa (1990).

17 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,L,N,O,P,R,U,VC. jackmanii

Group 3, Large-flowered, Late. Violet. Single, semi-nodding bloom form. USDA zone 3b through 9b.
Height: 10' to 12' (305 to 365cm). George JACKMAN & Son (1858).

45 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,F,G,L,N,O,P,R,U,VC. 'Jadwiga Teresa'

Large-flowered, Mid-season. Blue, yellow anthers. Single, scalloped edge bloom form. Early summer to early autumn, midsummer to early autumn. USDA zone 4b through 9b. Height of 6' to 8' (185 to 245 cm). Brother Stefan Franczak (1975).

63 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,E,F,G,L,N,O,P,R,VC. 'Josephine'

Early Large Flowered, Group 2. Pink, lilac shading. Large, full bloom form. Early summer to early autumn. USDA zone 4b through 9b. Height of 6' to 8' (185 to 245 cm). Josephine Hill (1980).

47 favorite votes. Average rating: EXCELLENT-. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,L,N,O,P,R,VC. 'Madame Julia Correvon'

Group 3, Late, Small-flowered, Viticella Group. Red. Single, curved edge, veined bloom form. Mid-to-late summer. USDA zone 3b through 9b. Height of 10' to 13' (305 to 395 cm). Francisque Morel (1900).

29 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,L,N,O,P,R,U,VC. 'Niobe'

Early Large Flowered. Red, yellow anthers. Single bloom form. Late spring to early autumn. USDA zone 4b through 9b. Height of 6' to 8' (185 to 245 cm). Vladyslaw Noll.

36 favorite votes. Average rating: EXCELLENT-. Cold hardy: EXCELLENT (1 vote).

C,G,J,L,N,O,P,R,VC. 'Roguchi'

Group 3, Herbaceous Group, Late, Small-flowered. Purple. Small, single, bell-shaped, curved edge bloom form. Early summer to early autumn. USDA zone 5b through 8b. Height of 6' 7" to 8' 2" (200 to 250 cm). Kazushige Ozawa (1990).

17 favorite votes. Average rating: EXCELLENT. Cold hardy: EXCELLENT (1 vote).

A,C,F,G,N,O,P,R,U,VC. viticella 'Etoile Violette'

Group 3, Late, Small-flowered, Viticella Group. Single, semi-nodding bloom form. Mid-to-late summer. USDA zone 3b through 9b. Height of 10' to 13' (305 to 395 cm). Francisque Morel (1885).

61 favorite votes. Average rating: EXCELLENT-. Cold hardy: EXCELLENT (1 vote).