Group 3, Tangutica Group.  Yellow.  Late summer to midautumn.  Height of 9' 10" to 13' 1" (300 to 400 cm).   Rinus Zwijnenburg (1960).

4 favorite votes.  

Late Large Flowered.  Dark purple, dark red stripes, green stamens.  Single bloom form.  Midsummer to midautumn.   George JACKMAN & Son (1858).

4 favorite votes.  

Group 2, Tangutica Group.  Greyed orange.  Small, bell-shaped bloom form.  Midsummer to early autumn.  Height of 9' 10" to 13' 1" (300 to 400 cm).   Vince Denny (1992).

4 favorite votes.  

Species.  Bell-shaped bloom form.  Autumn.  USDA zone 5b through 9b.  Height of up to 12' (up to 365 cm).  

3 favorite votes.  

Early Large Flowered, Group 2.  Light pink, deep pink stripes, cream stamens.  Single bloom form.  Late spring to early autumn.  Height of 4' 11" to 6' 7" (150 to 200 cm).   Wim Snoeijer (1999).

3 favorite votes.  

Group 3, Herbaceous Group, Late, Small-flowered.  Blue.  Small, single, hyacinth-shaped bloom form.  USDA zone 4b through 9b.  Height of 39" to 4' (100 to 120 cm).  

3 favorite votes.  

USDA zone 2a and warmer.  

3 favorite votes.  

Blue.  USDA zone 2a and warmer.  

3 favorite votes.  

Late, Small-flowered.  White.  Bell-shaped, clusters, curved tip, nodding bloom form.  Early summer to midautumn.  USDA zone 6b through 9b (default).  Height of 10' to 20' (305 to 610 cm).   Unknown in China, Unknown(Japan), Unknown(Taiwan).

3 favorite votes.  

Group 3, Texensis-Viorna Group.  Rose-pink, yellow anthers.  Small to medium, single, cup-shaped bloom form.  Midsummer to early autumn.  Height of 6' 7" to 11½' (200 to 350 cm).  Width of 20" to 32" (50 to 80 cm). Barry Fretwell (2012).

3 favorite votes.  

Early Large Flowered, Group 2, Mid-season.  Blue, purple shading, red stripes.  Single bloom form.  Late spring to early summer, early autumn.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   A. Girault (1968).

3 favorite votes.  

Early Large Flowered, Group 2.  Violet - 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).   Louis Christen (1885).

3 favorite votes.  

USDA zone 2a and warmer.  

3 favorite votes.  

Early Small Flowered, Group 1, Montana Group.  Rose-red.  Single, saucer-shaped bloom form.  Late spring to early summer.  USDA zone 7b through 9b.  Height of up to 20' (up to 610 cm).   Unknown.

3 favorite votes.  

Pink.  USDA zone 2a and warmer.  

3 favorite votes.  

Group 3, Viticella Group.  Dark red, purple anthers.  Single bloom form.  Midsummer to midautumn.  USDA zone 2a and warmer.  Height of 8' 2" to 9' 10" (250 to 300 cm).   Uno Kivistik (1985).

3 favorite votes.  

Early Large Flowered, Group 2.  Lavender, lilac shading, darker center.  Large bloom form.  Early summer to late autumn.   Victor Lemoine (1890).

3 favorite votes.  

Alpina Group.  USDA zone 2a and warmer.  

3 favorite votes.  

Large-flowered, Late.  Single, curved edge bloom form.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   Arthur H. Steffen (1991).

3 favorite votes.  

Early Large Flowered.  Rose-red, darker center.  Single, crimped edge bloom form.  Late spring to early summer, late summer.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   Unknown American origin.

3 favorite votes.  

Group 3, Herbaceous Group.  Deep blue, yellow anthers.  Moderate fragrance.  Small, tubular bloom form.  Midsummer to early autumn.  Height of up to 39" (up to 100 cm).   John Philips (2011).

3 favorite votes.  

Group 3, Late Large Flowered.  Light purple, lighter stripes.  Small to medium, single bloom form.  Midsummer to early autumn.  USDA zone 2a and warmer.  Height of 6' 7" to 9' 10" (200 to 300 cm).   Uno Kivistik (1981).

3 favorite votes.  

Early Large Flowered, Group 2.  Blue, lighter stripes, white stamens, light yellow anthers.  Small to medium, single bloom form.  Summer.  
Height: 4'11" to 6'7" (150 to 200cm).   Szczepan Marczynski (2004).

3 favorite votes.  

Early Small Flowered, Group 1.  White, yellow anthers.  None / no fragrance.  Small, single bloom form.  Early spring to late summer.  Height of up to 20" (up to 50 cm).  Width of up to 20" (up to 50 cm). Raymond J. Evison (1995), Mogens Nyegaard Olesen (1995).

3 favorite votes.