Crested gentian (Gentiana septemfida)

Also known as: Caucasian Gentian, Crested Gentian

Gentiana septemfida, also known as the summer gentian, is a herbaceous perennial that originates from the Caucasus and Turkey. This low-growing plant reaches 15 to 20 cm in height and spreads up to 30 cm wide. It produces vibrant blue, trumpet-shaped flowers with striped interiors during the summer. For optimal growth, it prefers rich, well-drained soil that remains consistently moist. It thrives best in full sun but can tolerate partial shade.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Crested gentian

Lifespan

Perennial

Plant Type

Herb

Plant Height

10 cm

Spread

40 cm

Leaf Color

Green

Flower Size

3-4 cm

Flower Color

Blue

Images of Crested gentian

Quickly Identify Crested gentian

Gentiana septemfida can be identified by its bright blue, trumpet-shaped flowers with fringed edges, growing on slender stems. The leaves are lance-shaped and arranged in opposite pairs.

Scientific Classification of Crested gentian

Phylum

Vascular plants

Class

Dicotyledons

Order

Gentianales

Family

Gentian

Genus

Gentian

Species

Crested gentian

Planting and Growing of Crested gentian

Care Difficulty

Moderate

Watering Schedule

Every 5 days

Sunlight Requirements

Partial sun

Sunshine Duration

6-10 hours

Ideal Temperature

60-70℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Terracotta, Plastic

How to Water Crested gentian?

When watering Gentiana septemfida, it is important to ensure the soil is moist but not waterlogged. An amount of 250 ml of water per session is often sufficient to reach the roots without oversaturating the soil. The guideline is to water until you see a slight runoff from the pot's drainage holes, which indicates the water has permeated the soil appropriately.

What are the symptoms of an underwatered Crested gentian? ›

What should I do if my Crested gentian is not getting enough water? ›

What are the symptoms of an overwatered Crested gentian? ›

How to save an overwatered Crested gentian? ›

What Are the Sunlight Requirements for Crested gentian?

Sunlight Requirements: Partial sun

Duration of light: 4 to 6 hours

Gentiana septemfida flourishes in partial sun, receiving about 4 to 6 hours of light. Proper lighting ensures lush foliage and prolific blooming, enhancing the plant's visual appeal.

What's the best location for Gentiana septemfida? ›

How can I ensure Gentiana septemfida receives enough light indoors? ›

What are the indicators that Gentiana septemfida is receiving ideal lighting? ›

What Is the Ideal Temperature Range for Crested gentian?

Ideal Temperature: 60 ~ 70℉

Gentiana septemfida thrives best in temperatures between 60°F and 70°F. This range ensures optimal growth, flowering, and health for the plant by maintaining stable internal processes. Fluctuations outside this range can hinder metabolic functions and delay blooming.

What Soil is Best for Crested gentian?

Soil type: Loam, Sandy loam, Acidic soil

Soil PH: 6 ~ 7.5

Gentiana septemfida thrives in well-drained soil, which prevents waterlogging and root rot. Ensuring adequate drainage helps maintain healthy root development and supports vibrant flowering in this species. The plant prefers soil that retains some moisture but isn't waterlogged. Consistent moisture levels encourage steady growth and maintain the plant's lush appearance throughout its growing season. A fertile soil enriched with organic matter supports the robust growth of Gentiana septemfida by providing essential nutrients. This enrichment can significantly boost blooming and improve overall plant vigor.

How to Fertilize Crested gentian?

Fertilizer type: Balanced

Gentiana septemfida requires careful fertilizing to thrive. It's best to use a balanced fertilizer with a N-P-K ratio of 10-10-10. Apply liquid fertilizers at a half-strength dilution to avoid over-fertilization. Stick to recommended quantities to prevent nutrient burn.

How to Prune Crested gentian?

Pruning Time: Spring, Summer

Prune Gentiana septemfida in early spring just as the new growth begins. This timing helps redirect energy to healthier branches and encourages a more robust bloom. Start by removing any dead, diseased, or damaged stems. Cut them back to the base or to healthy tissue to boost the plant's vitality and improve airflow. Trim back any unruly or leggy growth to maintain the plant’s shape and encourage a compact, bushy form, which leads to a more aesthetically pleasing plant. To promote more blooms, cut back flowering stems by a third after blooming. This practice encourages the plant to produce more flowers in the subsequent growth cycle. More About Pruning Techniques→

How to Propagate Crested gentian plant?

Propagate Time: Late spring,Early summer

Collect seeds from matured Gentiana septemfida flowers. Sow them in trays with a suitable potting mix, ensuring even spacing and light coverage with soil. Maintain moisture but avoid waterlogging.

Select healthy stems for cuttings, ideally with a few leaves attached. Cut just below a node and remove any lower leaves. Dip the cut end in rooting hormone to encourage root development.

Carefully dig up the plant clumps and gently separate them into smaller sections, each with roots attached. Replant the divisions promptly into well-prepared soil to ensure they establish quickly.

More About Propagating Techniques→

How to Repot Crested gentian plant?

Repotting frequency: Every 2-3 years

Gentiana septemfida should be repotted when you notice the roots starting to outgrow the current pot, visible through drainage holes, or if the soil becomes compacted and poorly draining. Repotting in spring or autumn allows the plant to recover with plenty of active growth periods ahead, minimizing stress.

Select a pot that's slightly larger than the current one, with ample drainage holes. A terracotta pot is ideal as it helps regulate moisture by allowing excess water to evaporate, preventing root rot and other moisture-related issues. The added weight of terracotta also helps anchor the plant, providing stability.

Opt for a loamy, well-draining soil mix to ensure the roots are not sitting in water. Incorporate components like perlite or sand to improve aeration and drainage. This soil structure supports healthy root systems and fosters robust growth, ensuring your Gentiana septemfida thrives in its new environment.