Group 3, Large-flowered, Late.  White.  Large, single bloom form.  Early to midsummer.  USDA zone 3b through 9b.  Height of 6' to 8' (185 to 245 cm).   Uno Kivistik (1982).

2 favorite votes.  

Group 3, Herbaceous Group.  Light blue, silver(y) shading.  Small, curved edge, hyacinth-shaped bloom form.  Midsummer to early autumn.  Height of up to 20" (up to 50 cm).   Kozo Sugimoto (2010).

2 favorite votes.  

Group 3, Herbaceous Group.  Light purple - blue, white stamens.  Medium to large, semi-nodding, star-shaped bloom form.  Early summer to early autumn.  Height of 39" to 4' 11" (100 to 150 cm).   Wim Snoeijer (2000).

2 favorite votes.  

2 favorite votes.  

Atragene Group, Early Small Flowered, Group 1.  Pink.  Single, bell-shaped, nodding bloom form.  Late spring to early summer.  USDA zone 3b through 9b.  Height of 8' to 10' (245 to 305 cm).   Magnus Johnson (1950).

2 favorite votes.  

Group 2, Species.  Cream.  Early summer to early autumn.  USDA zone 2a and warmer.   Raymond J. Evison (1998).

2 favorite votes.  

Group 3, Species, Tangutica Group.  Purple, brown shading.  Small, single, bell-shaped, nodding bloom form.  Midsummer to early autumn.  Height of 9' 10" to 13' 1" (300 to 400 cm).  

2 favorite votes.  

Group 3, Late, Small-flowered, Viticella Group.  Mauve.  Single, bell-shaped bloom form.  Midsummer to early autumn.  USDA zone 2a and warmer.  

2 favorite votes.  

Alpina Group, Atragene Group, Early Small Flowered, Group 1.  Blue.  Semi-double, nodding bloom form.  Mid-to-late spring.  USDA zone 3b through 9b.  Height of 6' to 10' (185 to 305 cm).   Magnus Johnson (1950).

2 favorite votes.  

Early Large Flowered, Group 2.  Light blue, light green edges, ages to lighter .  None / no fragrance.  Small to medium, semi-double to double bloom form.  Early-to-late summer.  USDA zone 5a and warmer.  Height of 4' 11" to 6' 7" (150 to 200 cm).  Width of up to 39" (up to 100 cm). Szczepan Marczynski (1999).

2 favorite votes.  

Group 2, Late Large Flowered.  Light blue, violet shading, darker stripes, light yellow anthers.  Medium, single bloom form.  Midsummer to early autumn.  USDA zone 2a and warmer.  Height of 4' 11" to 6' 7" (150 to 200 cm).   Uno Kivistik (1981).

2 favorite votes.  

USDA zone 2a and warmer.  

2 favorite votes.  

Early Large Flowered.  Blue.  Single bloom form.  USDA zone 4b through 9b.  Height of 8' to 10' (245 to 305 cm).   Unknown.

2 favorite votes.  

Herbaceous Group, Late, Small-flowered.  Blue.  Mild fragrance.  Single, bell-shaped, curved edge, curved tip bloom form.  USDA zone 3b through 9b.  Height of 3' to 4' (90 to 120 cm).   Unknown in Asia (1885).

2 favorite votes.  

USDA zone 2a and warmer.  

2 favorite votes.  

Group 3, Late Large Flowered.  Violet, lighter stripes, light yellow anthers.  Medium to large, single bloom form.  Midsummer to early autumn.  USDA zone 4b through 9b.  Height of 9' 10" to 13' 1" (300 to 400 cm).   A.N. Volosenko-Valenis (1962).

2 favorite votes.  

Group 1, Montana Group.  White, pink edges, yellow anthers.  Small to medium, single bloom form.  Late spring to early summer.  Height of 16' 5" to 23' (500 to 700 cm).   Sheila Chapman (2001).

2 favorite votes.  

Group 3, Late Large Flowered.  Lilac - blue, purple anthers.  Very large, single bloom form.  Late spring to midautumn.  USDA zone 4a through 9a.  Height of up to 6' (up to 185 cm).   Raymond J. Evison (2010), Mogens Nyegaard Olesen (2010).

2 favorite votes.  

USDA zone 2a and warmer.  

2 favorite votes.  

Group 3, Viticella Group.  White, yellow anthers.  Single bloom form.  Early summer to early autumn.  USDA zone 3b and warmer.  Height of 9' 10" to 13' 1" (300 to 400 cm).   Barry Fretwell (2011).

2 favorite votes.  

Early, Evergreen, Group 1, Small-flowered.  Light green, pink anthers, ages to cream .  Moderate fragrance.  Medium, single bloom form.  Late spring to early summer.  USDA zone 2a and warmer.  Height of 16' 5" to 23' (500 to 700 cm).   Arthur Ericson (1994).

2 favorite votes.  

USDA zone 2a and warmer.  

2 favorite votes.  

Evergreen, Group 1.  White, light green shading.  Small, single bloom form.  Early to late spring.  Height of up to 4' 11" (up to 150 cm).   Unknown (2008).

2 favorite votes.  

Cream, yellow .  USDA zone 2a and warmer.  

2 favorite votes.