Gentiana septemfida (Crested Gentian)


Botanical Information

FamilyGentianaceae
GenusGentiana
Speciesseptemfida
CategoryPerennials
OriginAsia.

Details

USDA Hardiness Zone7b - 8a
USDA Hardiness Ref.
Canadian Hardiness Zone7b
Canada Hardiness Ref.
RHS Hardiness ZoneH5 (Observed growing well in H7)
RHS Hardiness Ref.
Temperature (°C)-15 to -10
Temperature (°F)5 - 14
Height10 - 50 cm
Spread10 - 50 cm
GrowthSlow
Flowering PeriodJuly, August, September

Description and Growing Information

ShapeTrailing and bushy.
LandscapeBorder planting, informal/cottage gardens and rock gardens.
PropagationSeed and division.
CultivationFull sun. Moist and well drained soils with a pH of acidic, neutral and alkaline. Prefers loam, chalk and sand.
PestsProne to slugs, snails and aphids. Prone to root rot.
Notable SpecimensThe University of Alberta Botanic Garden, Devon, Alberta, Canada.
Leaf DescriptionTrailing stems paired with ovate leaves.
Flower DescriptionClusters of showy trumpet-shaped flowers that are 4 cm long.
Colour DescriptionThe flowers are a bluish-purple. The leaves are green.

Photographs