Marsh gentian
Gentiana pneumonanthe · Gentianaceae
The gardener's calendar
Ideal time to plant marsh gentian: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Deciduous
- Blooming
- August to September
- Adult size
- 20 to 40 cm in height
- Growth
- Slow to moderate
- Hardiness
- Very hardy (down to -15°C)
- Origin
- Central and Western Europe
- Soil type
- Well-draining, slightly acidic to neutral
Care
Watering
Keep the soil regularly moist without excess, particularly during the growing and flowering periods. Reduce watering in winter when the plant is dormant. Avoid standing water which promotes root rot.
Light Exposure
Place your Gentiana pneumonanthe in full sun or partial shade. It appreciates bright light but tolerates slightly shaded areas, especially in regions with very hot summers.
Soil Preparation
Enrich the soil with compost or peat to improve drainage and acidity. This plant favors loose, well-structured soils that are poor in limestone.
Fertilizing
Apply a balanced diluted fertilizer in spring when growth resumes. A single application is usually sufficient; avoid excess nitrogen which may promote foliage at the expense of flowers.
Pruning and Maintenance
Clean up dried and wilted stems after flowering or in late winter. The plant naturally regrows from the base in spring; drastic pruning is generally not necessary.
Pests and Diseases
Watch for rust or leaf spots in humid conditions. Excess standing moisture can lead to rot. Ensure good air circulation around the plant.
Did you know?
Gentiana pneumonanthe has long been used in folk medicine for its supposed properties; its Latin name 'pneumonanthe' literally means 'that which breathes,' referring to the tiny leaflets surrounding the flower. This little alpine gem, once abundant in Europe's wet meadows, is becoming progressively rare in the wild due to degradation of its natural habitat.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- Yellow gentianGentiana lutea
- Blackstonia perfoliataBlackstonia perfoliata
- Field gentianGentianella campestris
- Willow gentianGentiana asclepiadea
- Spring gentianGentiana verna
- Centaurium pulchellumCentaurium pulchellum
Tips generated and checked by Viridia — adapt them to your local climate.