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 Am I Blue

Hosta x hybrida 'Am I Blue'

The Story

Plant Bio

Hosta x hybrida 'Am I Blue' is a perennial shade-loving plant known for its broad, heart-shaped foliage with a bluish-green hue and subtle lavender flowers that bloom in summer.

This cultivar is distinguished by its striking bluish foliage that retains its color throughout the season, making it a popular choice for shaded garden borders and containers.

Uses & Benefits:

Hosta Am I Blue adds lush, textured foliage with a calming blue hue, perfect for shaded borders and containers.

Its drought-tolerance once established reduces watering needs, making it a gardener's friend.

Provides ground cover that supports beneficial insects and maintains soil health.

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

16 inches

Width

24 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Average to high

Lifespan

Perennial

Native To

Eastern 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

Select a shaded location with well-draining soil.
Tuck young plants into the soil, ensuring roots are covered.
Water thoroughly after planting to settle soil.
Mulch around the base to retain moisture and suppress weeds.
Fertilize with a balanced slow-release fertilizer in early spring.
Divide every 3–4 years to maintain vigor.

Pro Tip

Plant in rich, moist soil and avoid direct sunlight for best color.

Keep It Thriving

Care Guide

Do

Water regularly during dry periods 🌱
Mulch to retain soil moisture
Divide in early spring or fall

Don't

Avoid excessive sun which can scorch leaves ❌
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
Mulch
Pest Check
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shade garden borderTextured foliage accentCool-toned garden bed

Companion Plants

Ferns Astilbe HeucheraJapanese forest grass Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Am I Blue questions

What zones can Hosta Am I Blue grow in?

Hosta Am I Blue 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 Am I Blue deer resistant?

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

When does Hosta Am I Blue bloom?

Hosta Am I Blue 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 Am I Blue need full sun?

Hosta Am I Blue does best in part shade.