Narrowleaf gentian (Gentiana linearis)

Narrowleaf gentian

Narrowleaf gentian (Gentiana linearis) is a perennial herb that blooms from summer to fall with blue tubular-shaped flowers attracting butterflies bees and hummingbirds. Commonly found growing in bogs creeks and ditches it thrives in moist soil and full sun.

Scientific classification

Species

Narrowleaf gentian (Gentiana linearis)

Gentians, dogbanes, madders, and allies

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Perennial

Lifespan

30 cm to 61 cm

Plant Height

8 cm to 30 cm

Spread

Purple, Blue

Flower Color

Semi-evergreen

Leaf type

0 - 32 ℃

Ideal Temperature

Images of Narrowleaf gentian

Care Guide for Narrowleaf gentian

Every week

Water

Full sun

Sunlight

0 - 32 ℃

Ideal Temperature

Water: Narrowleaf gentian prefers cool, moist conditions and requires consistent moisture without becoming waterlogged. Once established, it shows moderate drought tolerance. Weekly watering is essential for optimal soil moisture, significantly affecting flowering during the growing season.

Fertilize: For narrowleaf gentian, apply balanced fertilizer every 4-6 weeks during the growing season to promote growth and flowering. Water after application to prevent root burn, and reduce fertilization during dormancy. Follow product-specific dosage instructions for optimal health of narrowleaf gentian.

Pruning: Narrowleaf gentian features narrow leaves and vibrant blue flowers. Prune in early to late spring to promote growth and flowering. Techniques include removing dead stems and tip pruning for bushiness. Proper pruning enhances air circulation and light penetration, contributing to overall health.

Propagation: Narrowleaf gentian, from the Gentianaceae family, is best propagated through healthy stem cuttings. Use rooting hormone and place in well-draining soil. Maintain consistent moisture without waterlogging to replicate the plant’s vibrant blue flowers effectively.

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