Gentiana acaulis (Stemless Gentian, Large-Flowered Gentian, Gentianella)
Michael's Opinion
What a brilliant, spring blooming plant well suited to the rock or alpine garden.
Botanical Information
Family | Gentianaceae |
Genus | Gentiana |
Species | acaulis |
Synonyms | Gentiana kochiana |
Category | Perennials |
Origin | Native to central and southern Europe. |
Details
USDA Hardiness Zone | 7b - 8a |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 7b |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H5 (I have successfully grown this plant easily in H7) |
RHS Hardiness Ref. | |
Temperature (°C) | -15 to -10 |
Temperature (°F) | 5 - 14 |
Spread | up to 30 cm |
Growth | Slow |
Flowering Period | July, August |
Description and Growing Information
General Description | Gentiana acaulis is a mat-forming evergreen perennial with narrowly elliptic leaves and rich blue, trumpet-shaped flowers. |
Pests | Susceptible to snails, aphids, slugs and root rot. |
Habitat | Mountainous regions. |
Leaf Description | Paired, evergreen, narrowly elliptic, in a basal rosette, 2 - 3.5 cm in length, forming clumps. |
Flower Description | Solitary, deep blue with green spotted throats, trumpet-shaped, 6 cm long on short, erect stalks. |