USDA zone

•  2 (-45 °C) (1)
•  3 (-39 °C) (8)
•  4A (-35°C) (1)

Light

• (no filter) 

  semi-shade (1) sunny (1)

Soil drainage

• (no filter) 

  indifferent (1) moist, well drained (1)

Flowering

•  June-July (1)
•  May-June (5)

Flower colour

•  cream (1)
•  intense (2)
•  pink (1)
•  red (1)
•  white (3)
•  yellow (2)

Flower

•  20 - 30 cm (1)
•  full (1)

Availability

•  Available (1)