Crosswort gentian
Gentiana cruciata · Gentianaceae
The gardener's calendar
Ideal time to plant crosswort gentian: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Deciduous
- Flowering
- April to June
- Adult size
- 20 to 40 cm tall
- Growth
- Slow
- Hardiness
- Very hardy (-20 °C)
- Origin
- Mountains of central and southern Europe
- Soil type
- Well-drained, chalky to neutral
Care
Exposure
Position your cross gentian in full sun or partial shade for optimal flowering. It tolerates well-exposed mountain areas with wind. Good light exposure enhances the intensity of the flower colors.
Soil
This plant prefers well-drained, chalky or neutral soils that are poor in organic matter. Improve drainage by adding gravel or sand if your soil is too compact. Absolutely avoid acidic soils and waterlogging.
Watering
Water moderately during the growing season, particularly during prolonged dry spells. In winter, reduce watering: the plant tolerates relative dryness well. Slightly moist but never waterlogged soil is ideal.
Fertilizer
This mountain species needs only limited fertilizing. A very light application of balanced fertilizer in spring is more than enough. Impoverished soil often suits it better than overly rich substrate.
Pruning and maintenance
No strict pruning is necessary. Simply remove faded flowers to extend the flowering period. Clear away dead foliage in autumn to prevent disease.
Diseases and pests
Cross gentian is generally robust. Watch for root rot problems caused by excess moisture: good drainage remains your best defense. Pests are rare on this alpine species.
Did you know?
The cross gentian gets its name from the four sepals that form a distinctive cross around its small blue-violet flowers. Since ancient times, gentians have been associated with extreme bitterness: Dioscorides recounted that the root was so bitter it was considered miraculous. It is a plant of alpine meadows, a refuge for botanists exploring the Alps since the 17th century.
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
- Marsh gentianGentiana pneumonanthe
- Yellow gentianGentiana lutea
- Blackstonia perfoliataBlackstonia perfoliata
- Field gentianGentianella campestris
- Willow gentianGentiana asclepiadea
- Spring gentianGentiana verna
Tips generated and checked by Viridia — adapt them to your local climate.