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.  

Early Large Flowered, Group 2.  White, dark purple anthers.  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).   Brother Stefan Franczak (1992).

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.  

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.  

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.  

Group 1, Species.  White to cream, yellow anthers.  Small, single bloom form.  Early summer to early autumn.  USDA zone 2a and warmer.  Height of 6' 7" to 9' 10" (200 to 300 cm).  

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.  

Group 2, Viticella Group.  Violet - blue, ages to deep blue .  None / no fragrance.  Medium, single bloom form.  Late spring to early autumn.  USDA zone 6b and warmer.  
Height: 4'11" to 6'7" (150 to 200cm).   Raymond J. Evison (1994), Mogens Nyegaard Olesen (1994).

7 favorite votes.  

Early Small Flowered, Evergreen, Group 1.  White.  Strong fragrance.  Single, nodding bloom form.  Midwinter to early spring.  USDA zone 7b through 9b.  Height of 14½' (440 cm).   Unknown (1590).

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 3, Herbaceous Group, Late, Small-flowered.  Blue.  Single, bell-shaped, nodding bloom form.  Early summer to early autumn.  USDA zone 4b through 9b.  Height of 3' to 4' (90 to 120 cm).   Gordon&Thompson's old nursery (1799).

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.  

Group 3, Viticella Group.  Fuchsia / magenta.  Small, single, nodding bloom form.  Early summer to early autumn.  Height of 15' to 25' (455 to 760 cm).   Unknown.

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.  

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.  

Group 3, Late, Small-flowered, Texensis-Viorna Group, Viticella Group.  Pink.  Single, bell-shaped, nodding bloom form.  Midsummer to early autumn.  USDA zone 3b through 9b.  Height of 6' to 9' 10" (185 to 300 cm).   John Treasure (1980).

7 favorite votes.  

Early Large Flowered, Group 2.  Violet.  Single bloom form.  Late spring to early summer, early autumn.  USDA zone 5b through 8b.  Height of up to 6½' (up to 200 cm).   Raymond J. Evison (1993).

7 favorite votes.