Also known as Cross-Leaved Gentian · Star Gentian
Cross Gentian (Gentiana cruciata) is a striking herbaceous perennial with vibrant blue, trumpet-shaped flowers in whorls along upright stems. It prefers moist, well-drain
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Thrives in full sun but can tolerate light afternoon shade in hotter climates.
Moderate
50% intensity
Prefers consistently moist, well-drained soil. Avoid waterlogging.
Well-drained, sandy, loamy, acidic to neutral
50% intensity
Moderate
50% intensity
Prefers cooler temperatures; hardy in USDA zones 4-8. Protect from extreme heat.
Low
25% intensity
Light feeding in spring with a balanced fertilizer. Avoid over-fertilizing.
Safety information from plant toxicity data
| Attribute | Value |
|---|
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Keep the soil consistently moist but not waterlogged, especially during the growing season. Water thoroughly when the top layer of soil feels dry to the touch. Reduce watering in winter to prevent root rot.
Good drainage is crucial to prevent fungal diseases.
Prune after flowering to maintain a tidy appearance and encourage a second bloom, although this is less common. Remove any dead or faded flower stalks to prevent self-seeding if unwanted.
Minimal pruning is generally required for this species.
Propagate from seed sown in autumn or early spring, as seeds require a period of cold stratification. Germination can be slow and erratic.
Division of established clumps in early spring is another effective method, ensuring each division has roots and shoots.
Repot young plants every 1-2 years in early spring before new growth begins. Mature plants prefer to be left undisturbed and can be repotted less frequently.
Ensure the new pot has excellent drainage to mimic its natural rocky habitat.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Cross Gentian (Gentiana cruciata)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Gentianales |
| Family | Gentianaceae |
| Genus | Gentiana |
| Species | Gentiana cruciata |
Similar in genus Gentiana
Answers based on plant encyclopedia data
