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.  

Group 3, Herbaceous Group.  White, purple shading, purple stripes, dark purple anthers.  Medium to large, single bloom form.  Early summer to early autumn.  Height of 8' 2" to 9' 10" (250 to 300 cm).   Geoffrey Tolver (1996).

7 favorite votes.  

Group 3, Herbaceous Group, Late, Small-flowered.  Blue.  Bell-shaped, nodding bloom form.  USDA zone 4b through 9b.  Height of 5' to 6' (150 to 185 cm).   Dr. Frank L. Skinner (1947).

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, Species.  White, light yellow anthers.  Single bloom form.  Midsummer to midautumn.  Height of 11½' to 16' 5" (350 to 500 cm).  

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.  

USDA zone 2a and warmer.  

7 favorite votes.  

Species.  Purple to lavender, cream reverse, cream stamens.  Small, single, curved tip, nodding, pitcher-shaped bloom form.  Midsummer to midautumn.  USDA zone 4b and warmer.  Height of 16" (40 cm).   Unknown American origin (1875).

6 favorite votes.  

Group 3, Herbaceous Group, Late, Small-flowered.  Pink.  Strong fragrance.  Single, bell-shaped, nodding bloom form.  USDA zone 3b through 9b.  Height of 2' (60 cm).   Bill Baker (1989).

6 favorite votes.  

Species.  Bell-shaped bloom form.  USDA zone 2a and warmer.  Height of 10' (305 cm).  

6 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.  

USDA zone 2a and warmer.   Unknown (1999).

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.  

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.  

Group 2, Late Large Flowered.  Pink, darker stripes.  Single bloom form.  Early summer to early autumn.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   George JACKMAN & Son (1916).

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.  

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.  Red, darker center.  Single, overlapping bloom form.  Late spring to early summer, late summer.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Nihon Kaki (1985).

6 favorite votes.