USDA zone 2a and warmer.  

7 favorite votes.  

Early Large Flowered, Group 2.  Blue, white stripes, cream stamens.  Medium to large, single bloom form.  Late spring to early summer, midsummer to early autumn.  USDA zone 2a and warmer.  Height of up to 8' (up to 245 cm).   Walter Pennell (1962).

7 favorite votes.  

Late, Small-flowered.  Single, bell-shaped, curved tip, semi-nodding bloom form.  Midsummer to early autumn.  USDA zone 5b through 9b.  Height of 2' to 4' (60 to 120 cm).   Unknown in China, Unknown(Mongolia).

7 favorite votes.  

Herbaceous Group, Late, Small-flowered.  Pink.  Single, bell-shaped, grooved, nodding, notched bloom form.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Barry Fretwell.

7 favorite votes.  

Group 3, Late, Small-flowered, Viticella Group.  Mauve.  Bell-shaped, curved tip, ruffled edge bloom form.  Mid-to-late summer.  USDA zone 3b through 9b.  Height of 8' to 12' (245 to 365 cm).   Magnus Johnson (1956).

7 favorite votes.  

Unknown (1959).

7 favorite votes.  

Early Large Flowered, Group 2.  Red.  Single bloom form.  Late spring to early summer, late summer.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   Walter Pennell (1961).

7 favorite votes.  

Group 3, Late, Small-flowered, Viticella Group.  Blue.  Small, single, semi-nodding bloom form.  Mid-to-late summer.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   Brother Stefan Franczak (1989).

7 favorite votes.  

Group 3.  Violet, yellow anthers.  Medium to large, single, twisted petals bloom form.  Late spring to early summer.  USDA zone 5a and warmer.  Height of 6' 7" to 9' 10" (200 to 300 cm).   Raymond J. Evison (1997), Mogens Nyegaard Olesen (1997).

7 favorite votes.  

Group 3, Viticella Group.  Purple.  Large bloom form.  Late summer to early autumn.  Height of 8' 2" to 9' 10" (250 to 300 cm).   M. I. Orlov (1969).

7 favorite votes.  

Alpina Group, Atragene Group, Early Small Flowered, Group 1.  White.  Double, lantern-shaped bloom form.  Early-to-midspring.  USDA zone 3b through 9b.  Height of 6' (185 cm).   George JACKMAN & Son (1957).

7 favorite votes.  

Group 3, Viticella Group.  Crimson, pink shading, green stamens.  Small bloom form.  USDA zone 2a and warmer.   Unknown (1858).

6 favorite votes.  

Early Large Flowered, Group 2.  Single bloom form.  Mid-to-late spring, mid-to-late summer.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Frank Meecham (1980).

6 favorite votes.  

Herbaceous Group, Late, Small-flowered.  Violet.  Mild fragrance.  Single, bell-shaped, nodding bloom form.  USDA zone 4b through 9b.  Height of 4' to 6' (120 to 185 cm).   M.A. Beskaravainaja / Бескаравайная (1979).

6 favorite votes.  

Early Small Flowered, Evergreen, Group 1.  White.  Strong fragrance.  Single bloom form.  Early-to-midspring.  USDA zone 7b through 9b.  Height of up to 14' (up to 425 cm).   Jan Fopma (1998).

6 favorite votes.  

Group 3, Late Small Flowered.  Cowslip fragrance.  Bell-shaped, clusters, curved tip bloom form.  Midsummer to early autumn.  USDA zone 6b through 9b (default).  Height of up to 25' (up to 760 cm).   Unknown in China (1898).

6 favorite votes.  

Group 3, Viticella Group.  Pink - red, white stripes, cream anthers, ages to violet .  Small, single, semi-nodding bloom form.  Midsummer to early autumn.  USDA zone 3b through 9b.  Height of 10' to 12' (305 to 365 cm).   Hans Vermeulen (1996).

6 favorite votes.  

Group 2, Viticella Group.  Violet, darker stripes, mauve anthers.  Large, single bloom form.  Early to midsummer.  USDA zone 4a through 9a.  
Height: 3' to 4' (90 to 120cm).   Raymond J. Evison (1998), Mogens Nyegaard Olesen (1998).

6 favorite votes.  

Early Large Flowered, Group 2.  Mauve, purple shading, white stamens, red anthers.  Large, single bloom form.  Late spring to early summer, late summer.  USDA zone 4b through 9b.  Height of 6' 7" to 9' 10" (200 to 300 cm).   John Gudmundsson (1955).

6 favorite votes.  

Group 2, Large-flowered, Mid-season.  Crimson - red, lighter stripes.  Single, curved edge, overlapping bloom form.  Early summer to midautumn.  USDA zone 4b through 9b.  Height of 8' to 12' (245 to 365 cm).   George JACKMAN & Son (1915).

6 favorite votes.  

Early Small Flowered, Evergreen.  White.  Star-shaped bloom form.  Early-to-midspring.  USDA zone 9b and warmer.  Height of 10' to 15' (305 to 455 cm).   Unknown in Australia (1818).

6 favorite votes.  

Early Large Flowered.  Blue.  Single bloom form.  Late spring to early summer, late summer.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Magnus Johnson (1955).

6 favorite votes.  

USDA zone 2a and warmer.  

6 favorite votes.  

Group 3, Herbaceous Group.  Deep blue, purple shading, violet stamens, ages to lighter .  Medium, single, ribbed, ruffled edge bloom form.  Early summer to early autumn.  Height of 39" to 4' 11" (100 to 150 cm).   Laurence Arene-Querard (1994).

6 favorite votes.  Average rating: GOOD+.