Alpina Group, Atragene Group, Early Small Flowered, Group 1.  White.  Single, bell-shaped bloom form.  Mid-to-late spring, late summer.  USDA zone 3b through 9b.  Height of 8' to 10' (245 to 305 cm).   Magnus Johnson (1955).

13 favorite votes.  

Early Small Flowered, Evergreen.  Light pink, cream stamens, ages to white .  Vanilla fragrance.  Small to medium, single, saucer-shaped bloom form.  Early-to-midspring.  USDA zone 6b through 9b (default).  Height of up to 20' (up to 610 cm).   Unknown (1930).

13 favorite votes.  

Early Small Flowered, Evergreen, Group 1.  White.  Strong, honey fragrance.  Single bloom form.  Early-to-midspring.  USDA zone 7b through 9b.  Height of 10' to 20' (305 to 610 cm).   Unknown in China (1900).

13 favorite votes.  

Late Small Flowered, Viticella Group.  Violet, darker veining, lighter center. [Red.].  Single, bell-shaped, nodding bloom form.  Mid-to-late summer.  USDA zone 3b through 9b.  
Height: 10' to 16' (305 to 490cm).   Unknown(Turkey) (1569).

13 favorite votes.  

Early Large Flowered, Group 2, Viticella Group.  Lilac - blue, cream stamens.  Large, double bloom form.  Late spring to early summer, early autumn.  USDA zone 5b through 9a.  
Height: 4'11" to 6'7" (150 to 200cm).   Hiroshi Hayakawa / Akakawa (1994).

13 favorite votes.  Average rating: EXCELLENT.  

Early Large Flowered, Group 2.  Light pink, ages to white .  Small to medium, double bloom form.  Late spring to early summer, midsummer to early autumn.  USDA zone 6a and warmer.  Height of 4' 11" to 6' 7" (150 to 200 cm).   Wim Snoeijer (2000).

13 favorite votes.  

Early Large Flowered, Group 2.  Purple, light green anthers, ages to blue .  Very large, single bloom form.  Late spring to early summer, late summer to early autumn.  USDA zone 6a and warmer.  Height of 4' 11" to 6' 7" (150 to 200 cm).   Raymond J. Evison (2009), Mogens Nyegaard Olesen (2009).

13 favorite votes.  

Group 3, Late, Small-flowered, Texensis-Viorna Group.  Pink, darker center.  Single, tulip-shaped bloom form.  Mid-to-late summer.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   George JACKMAN & Son (1890).

13 favorite votes.  Average rating: EXCELLENT-.  

Early Large Flowered, Group 2.  Purple, red stripes, ages to deep blue .  Single bloom form.  Mid-to-late spring, late summer.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   Sakata no Tane Company (1996).

12 favorite votes.  

Group 3, Large-flowered, Late.  Blue.  Strong fragrance.  Single bloom form.  Mid-to-late summer.  USDA zone 4b through 9b.  Height of 10' to 13' (305 to 395 cm).   John Standish (1874).

12 favorite votes.  

Early Large Flowered, Group 2.  Purple, red stripes.  Large, single bloom form.  Late spring to early summer, late summer.  USDA zone 2a and warmer.  Height of 6' 7" to 8' 2" (200 to 250 cm).   Brother Stefan Franczak (1970).

12 favorite votes.  

Early Small Flowered, Group 1, Montana Group.  Salmon-pink.  Vanilla fragrance.  Semi-double bloom form.  Late spring to early summer.  USDA zone 7b through 9b.  Height of up to 26' (up to 790 cm).   Marjorie Free.

12 favorite votes.  

Group 2, Large-flowered, Mid-season.  White.  Single, overlapping bloom form.  Late spring to early summer, late summer to early autumn.  USDA zone 4b through 9b.  Height of up to 10' (up to 305 cm).   Victor Lemoine (1862).

12 favorite votes.  

Group 3, Late, Small-flowered, Tangutica Group.  Yellow, purple stamens, yellow anthers.  Small to medium, single bloom form.  Mid-to-late summer.  USDA zone 4b through 9b.  Height of 10' to 13' (305 to 395 cm).   Chris Sanders (1991).

12 favorite votes.  

Large-flowered, Late.  Red.  Single, semi-double bloom form.  USDA zone 4b through 9b.  Height of 10' to 12' (305 to 365 cm).   Houry-Rigault (1900), JACKMAN & Son (1900), Noble (1900).

12 favorite votes.  

Group 3, Late, Small-flowered, Viticella Group.  Dark red, purple shading, red highlights.  Medium, single, curved edge, semi-nodding bloom form.  Midsummer to early autumn.  USDA zone 3b through 9b.  Height of 10' to 13' (305 to 395 cm).   Victor Lemoine (1883).

12 favorite votes.  

Group 2, Large-flowered, Mid-season.  Mauve.  Single, overlapping bloom form.  Early summer to early autumn.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   Isaac Anderson-Henry (1870).

12 favorite votes.  

Group 3, Texensis-Viorna Group.  Light pink, darker edges, yellow anthers.  Small, single, tulip-shaped bloom form.  Midsummer to early autumn.  USDA zone 6b and warmer.  Height of 4' 11" to 6' 7" (150 to 200 cm).   Wim Snoeijer (2000).

12 favorite votes.  

Group 3, Large-flowered, Late.  Blue, lighter center.  Single, curved edge, curved tip bloom form.  Mid-to-late summer.  USDA zone 4b through 9b.  Height of 10' to 12' (305 to 365 cm).   Francisque Morel (1885).

12 favorite votes.  Average rating: EXCELLENT-.  

Group 3, Herbaceous Group, Late, Small-flowered.  Blue.  Single, nodding bloom form.  Midsummer to early autumn.  USDA zone 3b through 9b.  Height of 30" to 39" (75 to 100 cm).   Raymond J. Evison (1989), Mogens Nyegaard Olesen.

12 favorite votes.  

Atragene Group, Group 1.  Purple, cream stamens.  Bell-shaped, nodding bloom form.  Early-to-midspring.  USDA zone 6b and warmer.  Height of 8' 2" to 9' 10" (250 to 300 cm).   Vince & Sylvia Denny (2002).

12 favorite votes.  

Early Large Flowered, Group 2.  Rose-pink, rose-red streaks.  Single bloom form.  Early summer to early autumn.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Brother Stefan Franczak (1978).

12 favorite votes.  

Early Large Flowered, Group 2.  Pink, mauve shading.  Large, double bloom form.  Late spring to early summer, late summer.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Walter Pennell (1962).

12 favorite votes.  

Group 3, Late, Small-flowered.  White.  Mild fragrance.  Clusters, star-shaped bloom form.  Mid-to-late summer.  USDA zone 3b through 9b.  Height of 19' 8" to 40' (600 to 1220 cm).   Unknown (1542).

12 favorite votes.