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.  

Early Large Flowered.  Light blue.  Single bloom form.  Late spring to early summer, late summer to early autumn.  USDA zone 2a and warmer.  Height of 6' 7" to 8' 2" (200 to 250 cm).   Ken Pyne (1999).

7 favorite votes.  

Group 2, Large-flowered, Mid-season.  Blue.  Single bloom form.  Early autumn, early to midsummer.  USDA zone 4b through 9b.  Height of 6½' to 10' (200 to 305 cm).   Conrad Eriandson (1978).

7 favorite votes.  

Early Small Flowered, Group 1, Montana Group.  Pink.  Semi-double to double bloom form.  Late spring to early summer.  USDA zone 7b through 9b.  Height of up to 20' (up to 610 cm).   Vince & Sylvia Denny (1988).

7 favorite votes.  

Group 3, Late, Small-flowered.  Purple.  Curved tip, grooved bloom form.  USDA zone 3b through 9b.  Height of 6' to 8' (185 to 245 cm).   Unknown in China (1859), Unknown(Korea) (1859).

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.  

Alpina Group, Atragene Group, Early Small Flowered.  White, yellow .  Single, nodding bloom form.  Mid-to-late spring.  USDA zone 3b through 9b.  Height of 6' to 8' (185 to 245 cm).   Unknown(Europe) (1768), Unknown(Siberia) (1768).

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 3, Late, Small-flowered, Texensis-Viorna Group.  Lilac.  Strong fragrance.  Single, bell-shaped, curved tip, nodding bloom form.  Midsummer to midautumn.  USDA zone 5b through 9b.  Height of 6½' (200 cm).   Unknown American origin (1726).

7 favorite votes.  

Late, Small-flowered.  Brown, purple shading.  Single, nodding, veined bloom form.  Early summer to early autumn.  USDA zone 5b through 9b.  Height of 3' to 10' (90 to 305 cm).   Unknown in China (1840).

7 favorite votes.  

Group 3.  Blue.  Clusters, hyacinth-shaped, nodding bloom form.  Early summer to early autumn.  USDA zone 5b through 9b.  Height of 2' to 3' (60 to 90 cm).   Unknown in China (1837).

7 favorite votes.  

Atragene Group, Early Small Flowered.  Violet.  Single, bell-shaped, nodding, veined bloom form.  Mid-to-late spring.  USDA zone 3b through 9b.  Height of 10' (305 cm).   Unknown in China, Unknown(Japan), Unknown(Korea).

7 favorite votes.  

Late, Small-flowered, Texensis-Viorna Group.  Purple, red shading, yellow tips.  Single, curved tip, nodding, pitcher-shaped, ribbed bloom form.  Midsummer to early autumn.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Unknown American origin (1656).

7 favorite votes.  

Early Large Flowered, Group 2.  Blue, lilac shading.  Double bloom form.  Late spring to early summer, early autumn.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   George JACKMAN & Son (1871).

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.  

Herbaceous Group.  Blue.  Single, bell-shaped, nodding bloom form.  Early summer to early autumn.  USDA zone 4b through 9b.  Height of 2' to 3' (60 to 90 cm).   Unknown(Europe) (1573).

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.  

Large-flowered, Late.  Dark red, violet shading.  Single, curved edge bloom form.  Late spring to late summer.  USDA zone 4b through 9b.  Height of 6' to 8' (185 to 245 cm).   Baron Veillard (1893).

7 favorite votes.  

Group 3, Tangutica Group.  Yellow, brown reverse, red shading.  Small, single bloom form.  Midsummer to midautumn.  USDA zone 2a and warmer.  Height of 6' 7" to 8' 2" (200 to 250 cm).   Wim Snoeijer (2000).

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.