Canna 'Ra'

A medium sized aquatic cultivar, equally at home as a water marginal or in the border; glaucous green foliage, lanceolate shaped, upright habit; panicles of flowers are open, self-coloured yellow, staminodes are narrow, edges irregular, fully self-cleaning; fertile both ways, not true to type or self-pollinating, capsules globose; rhizomes are long and thin, coloured white; tillering is slow.

Introduced by R.J. Armstrong, of Longwood Gardens, USA.

Canna 'Lenape'

A medium sized Conservatory Group Cultivar; green foliage, oval shaped, transparent margin, branching habit; round stems, coloured green; flowers are cupped, yellow (RHS 12A-C) heavily spotted with red (RHS 33A), staminodes are large, edges regular, fully self-cleaning; fertile both ways, not self-pollinating or true to type, capsules round; rhizomes are thick, up to 3 cm in diameter, coloured white; tillering is average.

Introduced by R.J. Armstrong, of Longwood Gardens, USA. Canna 'Lenape' cannot receive the AGM recommended to it in the 2002 RHS Canna Trials until it is readily available for purchase in the UK.

Canna 'Erebus'

A medium sized aquatic cultivar, equally at home as a water marginal or in the border; glaucous green foliage, lanceolate shaped, upright habit; panicles of flowers are open, self-coloured salmon, staminodes are narrow, edges irregular, fully self-cleaning; fertile both ways, not self-pollinating or true to type, capsules globose; rhizomes are long and thin, coloured white and pink; tillering is slow.

Introduced by R.J. Armstrong, of Longwood Gardens, USA in 1977. Earned 'Award of Garden Merit' (AGM) in the outdoor trials held at RHS Wisley, England in 2002.

Canna 'Endeavour'

A medium sized aquatic cultivar, equally at home as a water marginal or in the border; glaucous green foliage, lanceolate shaped, maroon margin, upright habit; oval stems, coloured green; panicles of flowers are open, self-coloured red (RHS 45B), staminodes are narrow, edges regular, fully self-cleaning, blooms open in the early morning; fertile both ways, not true to type, self-pollinating, capsules globose; rhizomes are long and thin, coloured white and pink; tillering is average. 

Introduced by R.J. Armstrong, of Longwood Gardens, USA.

This was from a cross with a red-flowered unnamed terrestial canna, the pollen was from C. glauca from Brazil. It honours the British explorer Captain Cook's ship "Endeavour". 

Canna 'Constitution'

A medium sized Conservatory Group cultivar; bronze foliage, oval-acuminate shaped, branching habit; oval stems, coloured purple; flowers are open, self-coloured pink (RHS 54C), throat cream, staminodes are large, edges irregular, stamen is yellow with pink markings; fertility unknown; rhizomes are thick, up to 3 cm in diameter, coloured white and pink; tillering is average.

Introduced by R.J. Armstrong, of Longwood Gardens, USA.

Canna 'Chesapeake'

A medium sized Conservatory Group Cultivar; green foliage, oval shaped, branching habit; oval stems, coloured green; panicles of flowers are open, self-coloured cream, staminodes are large, edges regular, petals yellow, fully self-cleaning; fertile both ways, not self-pollinating or true to type, capsules globose; rhizomes are thick, up to 3 cm in diameter, coloured white; tillering is average.
Introduced by R.J. Armstrong, of Longwood Gardens, USA.

Canna 'Taney'

A medium sized aquatic cultivar, equally at home as a water marginal or in the border; glaucous green foliage, lanceolate shaped, upright habit; panicles of flowers are open, self-coloured orange, staminodes are narrow, fully self-cleaning; fertile both ways, not true to type, self-pollinating, capsules globose; rhizomes are long and thin, coloured white and pink; tillering is slow.

Introduced by R.J. Armstrong, of Longwood Gardens, USA. Supposedly named after a ship. However, infamously in 1857 and just two days after the inauguration of US President James Buchanan, Chief Justice Roger B. Taney wrote "Negroes had no rights which any white man was bound to respect.”

Synonym: C. 'Tangy'

Canna 'Ra'

A medium sized aquatic cultivar, equally at home as a water marginal or in the border; glaucous green foliage, lanceolate shaped, upright habit; panicles of flowers are open, self-coloured yellow, staminodes are narrow, edges irregular, fully self-cleaning; fertile both ways, not true to type or self-pollinating, capsules globose; rhizomes are long and thin, coloured white; tillering is slow.

Introduced by R.J. Armstrong, of Longwood Gardens, USA.

Canna 'Lenape'

A medium sized Conservatory Group Cultivar; green foliage, oval shaped, transparent margin, branching habit; round stems, coloured green; flowers are cupped, yellow (RHS 12A-C) heavily spotted with red (RHS 33A), staminodes are large, edges regular, fully self-cleaning; fertile both ways, not self-pollinating or true to type, capsules round; rhizomes are thick, up to 3 cm in diameter, coloured white; tillering is average.

Introduced by R.J. Armstrong, of Longwood Gardens, USA. Canna 'Lenape' cannot receive the AGM recommended to it in the 2002 RHS Canna Trials until it is readily available for purchase in the UK.

Canna 'Erebus'

A medium sized aquatic cultivar, equally at home as a water marginal or in the border; glaucous green foliage, lanceolate shaped, upright habit; panicles of flowers are open, self-coloured salmon, staminodes are narrow, edges irregular, fully self-cleaning; fertile both ways, not self-pollinating or true to type, capsules globose; rhizomes are long and thin, coloured white and pink; tillering is slow.

Introduced by R.J. Armstrong, of Longwood Gardens, USA in 1977. Earned 'Award of Garden Merit' (AGM) in the outdoor trials held at RHS Wisley, England in 2002.

Revisiting Canna 'Constitution'

A medium sized Crozy Group cultivar; bronze foliage, oval-acuminate shaped, branching habit; oval stems, coloured purple; flowers are open, self-coloured pink (RHS 54C), throat cream, staminodes are large, edges irregular, stamen is yellow with pink markings; fertility unknown; rhizomes are thick, up to 3 cm in diameter, coloured white and pink; tillering is average.

Introduced by R.J. Armstrong, of Longwood Gardens, USA.

Revisiting Canna 'Chesapeake'

A medium sized Conservatory Group Cultivar; green foliage, oval shaped, branching habit; oval stems, coloured green; panicles of flowers are open, self-coloured cream, staminodes are large, edges regular, petals yellow, fully self-cleaning; fertile both ways, not self-pollinating or true to type, capsules globose; rhizomes are thick, up to 3 cm in diameter, coloured white; tillering is average.

Introduced by R.J. Armstrong, of Longwood Gardens, USA.