About

Starlight' is a mat-forming perennial to 10cm tall with narrow, grass-like foliage and trailing stems that bear solitary, trumpet-shaped, deep blue flowers, each with white markings in the throat andwhite-striped exteriors.

About the genus

Gentiana can be annuals, biennials, herbaceous or evergreen perennials, mostly with showy, trumpet or salver-shaped flowers

Growing conditions

SunlightFull sun, Partial shade
Soil typeLoam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH5

Plant details

Plant typeAlpine Rockery, Herbaceous Perennial
HabitMatforming, Trailing
FoliageSemi evergreen
HeightUp to 10 cm
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Patio and container plants, Rock garden, Gravel garden

Care notes

CultivationGrow in moist but well-drained, humus-rich soil in partial shade. Suitable for a rock garden
PruningNo pruning required
PropagationPropagate by division of offsets in spring
Pest resistanceMay be susceptible to slugs, snails and aphids
Disease resistanceProne to root rot