perennial

Crested Gentian

Gentiana septemfida 'lagodechiana'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

8 inches

Width

10 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moist but well-drained

Humidity

Moderate

Lifespan

Perennial

Native To

Europe and Asia

Toxicity

Non-toxic

The Story

Plant Bio

Gentiana septemfida 'Lagodechiana' is a perennial herbaceous plant known for its upright clumps of narrow, lance-shaped leaves and striking trumpet-shaped blue flowers that bloom in dense clusters during the summer. This cultivar is distinguished by its vibrant, deep blue flowers with a slightly lighter throat, and its exceptional ability to attract pollinators while thriving in well-drained, alkaline soils.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides striking blue flowers that enhance shaded garden areas and attract pollinators, adding ecological value.

Prefers moist, well-drained soil, making it suitable for rain gardens and shaded borders.

Supports pollinator populations, especially bees and butterflies, in shaded environments.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck seeds into moist soil in early spring for best germination.
Mist cuttings regularly to maintain humidity and promote rooting.
Plant in partial shade with well-draining, moist soil.
Water consistently during growing season, avoiding waterlogging.
Fertilize lightly with a balanced fertilizer in spring.
Mulch around base to retain soil moisture and suppress weeds.

Pro Tip

Ensure soil remains consistently moist for optimal growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to retain soil moisture
Provide partial shade in hotter climates

Don't

Avoid overwatering which can cause root rot ❌
Don’t let soil dry out completely
Avoid heavy, compacted soil

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Fertilize
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Moist shaded borderPollinator-friendly garden

Companion Plants

Ferns Hostas Astilbes Japanese painted fern Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Crested Gentian questions

What zones can Crested Gentian grow in?

Crested Gentian is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Crested Gentian deer resistant?

Yes — Crested Gentian is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Crested Gentian bloom?

Crested Gentian typically blooms in late summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Crested Gentian need full sun?

Crested Gentian does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.