Star gentian (Gentiana cruciata)

Star gentian

Also known as: Cross-leaved gentian

Gentiana cruciata is a small-sized plant that is widespread across Europe and Western Asia. It produces violet-blue flowers with four petals. The star gentian is extremely important for the endangered Phengaris rebel butterfly since it feeds upon this plant.

Scientific classification

Species

Star gentian (Gentiana cruciata)

Gentians, dogbanes, madders, and allies

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20 cm to 40 cm

Plant Height

25 cm

Spread

Green, Gray

Leaf Color

2 cm

Flower Size

Blue

Flower Color

Deciduous

Leaf type

0 - 32 ℃

Ideal Temperature

Images of Star gentian

Care Guide for Star gentian

Every 1-2 weeks

Water

Full sun

Sunlight

0 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Star gentian thrives in alpine meadows, preferring evenly moist soil and moderate rainfall. Water every 1-2 weeks, allowing the soil to dry slightly. Grown outdoors, star gentian benefits from mulching to retain moisture and protect against temperature fluctuations.

Fertilize: For optimal growth, star gentian benefits from balanced fertilization, using a 10-10-10 ratio every 4-6 weeks in spring and summer. It enhances blooms and vitality. Reduce frequency in winter, integrate into moist soil, and avoid over-fertilization to maintain health.

Pruning: Star gentian features vibrant blue flowers and thrives with proper spring pruning. Focus on removing dead stems and shaping the plant to prevent legginess. Pruning enhances growth and flowering, emphasizing health and aesthetics without heavy cuts, essential for a flourishing garden display.

Propagation: Star gentian is primarily propagated through seed sowing in well-drained soil, ideally a sand-loam mix. Maintain consistent moisture without waterlogging, lightly cover seeds for darkness, and keep the area free from weeds while protecting seedlings from pests.

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