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Perennials > Gentiana > Gentiana asclepiadea > Gentiana asclepiadea

Gentiana asclepiadea


Willow Gentian, Milkweed Gentian




Family
Gentianaceae
Genus
Gentiana
Species
asclepiadea
Category
Perennials
USDA Hardiness Zone
7b - 8a
Canadian Hardiness Zone
7
RHS Hardiness Zone
H5
Temperature (°C)
-15 - (-9)
Temperature (°F)
5 - 15
Height
0.5 - 1 m
Spread
0.1 – 0.5 m
Photographs
Description and Growing Information
Flowering Period
JulyAugustSeptember
General Description
Gentiana asclepiadea is a herbaceous perennial with arching stems, lance-shaped leaves and dark blue trumpet flowers.
Cultivation
Grow in shade, in moist but well-drained, humusy soil. Avoid chalky soils. Will tolerate more sun in cool, damp summer climates.
Growth
Medium
Pests
No serious pests or diseases to note.
Notable Specimens
Montreal Botanic Garden, Montreal, Quebec, Canada.
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