Gentiana cruciata (Cross Gentian, Star Gentian)


Botanical Information

FamilyGentianaceae
GenusGentiana
Speciescruciata
CategoryPerennials

Details

USDA Hardiness Zone3 - 7
USDA Hardiness Ref.
Canadian Hardiness Zone4
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Height20 - 40 cm
Spread25 cm
GrowthMedium
Flowering PeriodJuly, August, September, October, November

Description and Growing Information

ShapeErect and compact.
LandscapeRock gardens, ornamental use and container planting.
CultivationFull sun and partial-shade. Well-drained soils with a pH of acidic and neutral. Prefers sandy or clay soils. Drought and deer resistant.
Notable SpecimensThe University of Alberta Botanic Garden, Devon, Alberta, Canada.
HabitatForest edges, bushy slopes, pastures, grasslands and dry meadows.
Leaf DescriptionErect stems. The leaves are large, ovate-lanceolate, semi-amplexicaul and 3 - 8 cm long.
Flower DescriptionTrumpets with 4 petals, clustered in the axils of the upper leaves. Flowering extends June to August.
Fruit DescriptionCapsule-like.
Colour DescriptionThe leaves are a deep green. The flowers are purplish-blue.

Photographs