Garden hybrid

This is a garden hybrid, bred from more than one wild species, so it has no single species page of its own.

298 other cultivars

perennial

Hosta Blue Danube

Hosta x hybrida 'Blue Danube'

The Story

Plant Bio

Hosta x hybrida 'Blue Danube' is a perennial groundcover featuring broad, lush, blue-green leaves and tall flower spikes with lavender to pale purple bell-shaped flowers, creating a striking contrast.

This cultivar is renowned for its vibrant blue foliage and its ability to maintain leaf color under partial shade, making it a popular choice for shaded garden borders.

Uses & Benefits:

Provides lush, textured foliage that brightens shaded areas.

Helps retain soil moisture and suppress weeds in shaded gardens.

Supports pollinators and beneficial insects with its nectar.

Garden hybrid

Bred from more than one wild species, so it has no species page of its own.

Essentials

At a Glance

Plant Type

Perennial

Height

12"

Width

24"

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Prefers humid environments

Lifespan

Perennial

Native To

Northeast Asia

Toxicity

Toxic to dogs, cats, and horses

Bloom period

Late summer – Early fall

In flower about 2 months of the year

Planting

How to Grow

Select a shaded spot with moist, well-draining soil.
Tuck roots into the soil, ensuring the crown is level with ground.
Water thoroughly after planting and keep soil consistently moist.
Mulch around the base to retain moisture and suppress weeds.
Fertilize with a balanced, slow-release fertilizer in early spring.
Mist foliage during dry periods to prevent leaf scorch.

Pro Tip

Plant in shaded areas with rich, moist soil for best results.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to retain moisture and regulate soil temperature
Divide every 3-4 years to maintain vigor

Don't

Avoid direct sun which can scorch leaves ❌
Don’t let soil dry out completely
Overfertilize which can cause weak foliage

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shade garden borderMoist woodland gardenTextural groundcover

Companion Plants

Ferns Astilbe Heuchera Hosta 'Sum and Substance'Japanese forest grass

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Blue Danube questions

What zones can Hosta Blue Danube grow in?

Hosta Blue Danube is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Hosta Blue Danube deer resistant?

Not reliably. Deer may browse Hosta Blue Danube, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Hosta Blue Danube bloom?

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

Does Hosta Blue Danube need full sun?

Hosta Blue Danube does best in part shade.