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. |
Photographs
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