Atragene Group, Group 1, Macropetala Group.  Blue.  Semi-double, nodding bloom form.  Mid-to-late spring, late summer.  USDA zone 3b through 9b.  Height of 6½' to 10' (200 to 305 cm).   Magnus Johnson (1980).

7 favorite votes.  

Early Small Flowered, Group 1, Montana Group.  Pink.  Semi-double to double bloom form.  Late spring to early summer.  USDA zone 7b through 9b.  Height of up to 20' (up to 610 cm).   Vince & Sylvia Denny (1988).

7 favorite votes.  

Herbaceous Group, Late, Small-flowered.  Red.  Single, tulip-shaped bloom form.  USDA zone 3b through 9b.  Height of 18" to 2' (45 to 60 cm).  

7 favorite votes.  

Group 3, Late, Small-flowered, Texensis-Viorna Group.  Lilac.  Strong fragrance.  Single, bell-shaped, curved tip, nodding bloom form.  Midsummer to midautumn.  USDA zone 5b through 9b.  Height of 6½' (200 cm).   Unknown American origin (1726).

7 favorite votes.  

Late, Small-flowered, Texensis-Viorna Group.  Purple, red shading, yellow tips.  Single, curved tip, nodding, pitcher-shaped, ribbed bloom form.  Midsummer to early autumn.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Unknown American origin (1656).

7 favorite votes.  

Early Large Flowered, Group 2.  Blue, lilac shading.  Double bloom form.  Late spring to early summer, early autumn.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   George JACKMAN & Son (1871).

7 favorite votes.  

Group 2, Large-flowered, Mid-season.  Rose-red, darker edges.  Single bloom form.  Late spring, mid-to-late summer.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   George JACKMAN & Son (1934).

7 favorite votes.  

Group 3, Herbaceous Group, Large-flowered, Late.  Pink.  Strong fragrance.  Single bloom form.  Mid-to-late summer.  USDA zone 4b through 9b.  Height of 3' to 4' (90 to 120 cm).   Russell V. Pritchard (1950).

7 favorite votes.  

Early Large Flowered.  White, red stamens, red tips.  Grooved, overlapping bloom form.  Late spring to early summer, early summer.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Barry Fretwell (1984).

7 favorite votes.  

USDA zone 2a and warmer.   Victor Lemoine (1898).

7 favorite votes.  

Early Large Flowered.  Red.  Single bloom form.  Late spring, mid-to-late summer.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   M.A. Beskaravainaja / Бескаравайная (1973).

7 favorite votes.  

Group 3, Herbaceous Group, Late, Small-flowered.  Purple, light yellow anthers, ages to violet .  Strong fragrance.  Small, single bloom form.  Late spring to early autumn.  USDA zone 4b through 9b.  Height of 4' to 6' (120 to 185 cm).   Unknown (1845).

6 favorite votes.  

Group 3, Late, Small-flowered.  Cream.  Mild fragrance.  Small, bell-shaped, clusters, curved tip, nodding bloom form.  Late summer.  USDA zone 6b through 9b (default).  Height of 16' to 23' (490 to 700 cm).   Unknown in China, Unknown in India, Unknown in Kashmir.

6 favorite votes.  

Group 3, Viticella Group.  Mauve.  Medium to large, single bloom form.  Midsummer to early autumn.  USDA zone 2a and warmer.  Height of 9' 10" to 13' 1" (300 to 400 cm).   Brother Stefan Franczak (1972).

6 favorite votes.  

Early Large Flowered, Group 2.  Mauve, cerise center.  Large, single bloom form.  Late spring to early summer, early autumn.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   John Treasure (1980).

6 favorite votes.  

Alpina Group, Atragene Group, Early Small Flowered, Group 1.  Pink.  Single, bell-shaped, nodding bloom form.  Mid-to-late spring.  USDA zone 3b through 9b.   Raymond J. Evison (1980).

6 favorite votes.  

Large-flowered, Late.  Blue.  Single, veined bloom form.  Mid-to-late summer.  USDA zone 3b through 9b.  Height of 6' to 8' (185 to 245 cm).   Maria F. Sharonova (1972).

6 favorite votes.  

Large-flowered, Late.  White.  Single, curved tip bloom form.  Mid-to-late summer.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   John Huxtable (1967).

6 favorite votes.  

Early Large Flowered.  Deep blue, lavender shading, white stamens.  Single, notched, overlapping bloom form.  Early summer to early autumn.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   George JACKMAN & Son (1906).

6 favorite votes.  

Atragene Group, Early Small Flowered, Group 1, Macropetala Group.  Deep blue.  Bell-shaped, nodding bloom form.  Spring.  USDA zone 3b through 9b.  Height of 6' to 10' (185 to 305 cm).   George JACKMAN & Son (1958).

6 favorite votes.  

Large-flowered, Late.  Purple, red shading, lighter center.  Single bloom form.  Mid-to-late summer.  USDA zone 3b through 9b.  Height of 6' to 8' (185 to 245 cm).   Uno Kivistik (1987).

6 favorite votes.  

Large-flowered, Mid-season.  Mauve or blue, darker center.  Single, overlapping bloom form.  Midsummer to early autumn.  USDA zone 4b through 9b.  Height of 10' to 12' (305 to 365 cm).   George JACKMAN & Son (1875).

6 favorite votes.  

Early Large Flowered.  Light purple, yellow anthers.  Single bloom form.  Late spring to early summer, early autumn.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   George JACKMAN & Son.

6 favorite votes.  

Early Large Flowered, Group 2.  Dark red, lighter edges, cream anthers.  Medium, single bloom form.  Early summer to early autumn.  USDA zone 2a and warmer.  Height of 6' 7" to 8' 2" (200 to 250 cm).   Kozo Sugimoto (1992).

6 favorite votes.