Garden hybrid

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

299 other cultivars

perennial

Hosta Blue Blazes

Hosta x hybrida 'Blue Blazes'

The Story

Plant Bio

Hosta 'Blue Blazes' is a large, impressive perennial forming a mound of thick, heart-shaped, heavily corrugated blue-green leaves. It produces scapes of pale lavender, bell-shaped flowers in summer.

This cultivar is prized for its immense size, slug-resistant foliage, and beautiful powdery blue color that holds well throughout the season.

Uses & Benefits:

Provides lush, textured foliage that enhances shaded garden areas.

Helps suppress weeds with dense growth.

Supports beneficial insects and provides habitat in shaded gardens.

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

30 inches

Width

60 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Asia

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

Tuck seeds or divisions into prepared soil in early spring
Water regularly to keep soil moist but not soggy
Provide shade during hot summer afternoons
Apply mulch to retain soil moisture and suppress weeds
Fertilize with a balanced fertilizer in early spring
Divide clumps every 3-4 years to maintain vigor

Pro Tip

Plant in partial shade with rich, moist soil for best results

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist
Mulch annually to retain moisture
Divide every few years to promote healthy growth
Remove dead or damaged leaves to keep plant tidy

Don't

Avoid direct afternoon sun which can scorch leaves ❌
Do not let soil dry out completely
Over-fertilize which can cause weak stems ❌

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 textured foliageGroundcover under trees

Companion Plants

Ferns Astilbe HeucheraJapanese painted fern Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Blue Blazes questions

What zones can Hosta Blue Blazes grow in?

Hosta Blue Blazes 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 Blazes deer resistant?

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

When does Hosta Blue Blazes bloom?

Hosta Blue Blazes 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 Blue Blazes need full sun?

Hosta Blue Blazes does best in part shade.