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 Dress Blues

Hosta x hybrida 'Dress Blues'

The Story

Plant Bio

Hosta x hybrida 'Dress Blues' is a perennial herbaceous plant with broad, lush, blue-green foliage and attractive, bell-shaped lavender flowers that bloom in summer, creating a striking visual appeal.

This cultivar is distinguished by its unique silvery-blue leaves with a slightly wavy margin, offering excellent shade tolerance and a refined, elegant appearance in garden borders.

Uses & Benefits:

Hosta Dress Blues offers lush foliage with striking blue hues, ideal for shaded gardens.

Provides ground cover and suppresses weeds in shady garden areas.

Supports pollinators and adds to biodiversity in shaded landscapes.

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 inches

Width

24 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Prefers moderate humidity

Lifespan

Perennial

Native To

Asia (parentage)

Toxicity

Toxic to dogs, cats, and horses

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Select a shaded spot with well-drained soil.
Tuck in the roots of the plant about 2 inches deep.
Water thoroughly after planting to settle soil.
Mulch around the base to retain moisture and suppress weeds.
Fertilize with a balanced fertilizer in early spring.
Divide in early spring or fall every 3-4 years to maintain vigor.

Pro Tip

Ensure soil remains consistently moist for best foliage growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Apply mulch to conserve moisture
Divide every 3-4 years for healthy growth

Don't

Avoid excessive direct sunlight ❌
Don’t let soil dry out completely
Refrain from over-fertilizing

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

Shaded border with lush foliageGroundcover in shady areasSilver‑foliaged hedge

Companion Plants

ferns Astilbe HeucheraJapanese painted fern Brunnera

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Dress Blues questions

What zones can Hosta Dress Blues grow in?

Hosta Dress Blues 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 Dress Blues deer resistant?

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

When does Hosta Dress Blues bloom?

Hosta Dress Blues typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Hosta Dress Blues need full sun?

Hosta Dress Blues does best in part shade.