Gentiana gentiana 'Blue Cross'
perennial

Blue Cross Gentian

Gentiana gentiana 'Blue Cross'

Not currently listed at our partner nurseries.

Expertly Curated
Real-Time Pricing
Loved by Designers

Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

10 inches

Light

Partial Sun

Zones

4, 5, 6, 7

Water

Moderate

Humidity

High

Lifespan

Perennial

Native To

European alpine regions

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Gentiana cruciata 'Blue Cross' is known for its striking blue flowers that bloom in summer, and it thrives in well-drained soils. This cultivar is prized for its vibrant blue color and compact growth, making it an excellent choice for alpine or rock gardens.

Bloom Period:

J
F
M
A
M
J
J
A
S
O
N
D
EarlyLate

Uses & Benefits:

Ornamental UsesGentiana Blue Cross offers striking blue flowers that add vibrant color to shaded garden spaces, creating a calming, alpine-inspired atmosphere.
Practical UsesIts low-maintenance nature makes it ideal for shaded borders, requiring minimal care once established.
Ecological BenefitsProvides nectar for pollinators such as bees and butterflies, supporting local biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

  1. Tuck seeds lightly into moist soil in early spring for best germination.
  2. Mist cuttings regularly to maintain humidity and encourage root growth.
  3. Water consistently to keep soil moist but not waterlogged during growing season.
  4. Fertilize monthly with a balanced liquid fertilizer for vibrant blooms.
  5. Divide mature plants in early spring to promote healthy growth and prevent overcrowding.
  6. Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Use acidic, well-draining soil and provide partial shade for optimal growth.

Keep It Thriving

Care Guide

Do

  • Keep soil consistently moist 🌱
  • Provide partial shade in hot climates
  • Apply a balanced fertilizer monthly
  • Mulch to conserve moisture
  • Prune faded flowers to encourage rebloom

Don't

  • Avoid waterlogging soil ❌
  • Don’t expose plants to full, harsh sun
  • Refrain from over-fertilizing
  • Don’t ignore pests or diseases
  • Avoid disturbing roots during flowering

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Pest Check
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Violet-scented borderShaded woodland garden accentCool rock garden feature

Companion Plants

Ferns Hostas Astilbe Japanese painted fern Heuchera

Multiply

Propagation Methods

Good to Know

Common Questions

Blue Cross Gentian questions

What zones can Blue Cross Gentian grow in?

Blue Cross Gentian is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Blue Cross Gentian deer resistant?

Yes β€” Blue Cross Gentian is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Blue Cross Gentian bloom?

Blue Cross Gentian typically blooms in summer through early summer. Exact timing shifts a week or two with your zone β€” Sow's bloom calendar maps it to your garden.

Does Blue Cross Gentian need full sun?

Blue Cross Gentian does best in part shade.

Keep exploring

Grow Blue Cross Gentian with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.

Download Sow on the App StoreGet Sow on Google Play