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

Samuel Blue Hosta

Hosta x hybrida 'Samual Blue'

The Story

Plant Bio

Hosta 'Samuel Blue' is a deciduous perennial with broad, ovate leaves that display a striking blue-green hue, and produces elegant pale lavender flowers on tall scapes during summer.

'Samuel Blue' is prized for its intensely blue, heart-shaped, corrugated leaves that form a dense mound. The glaucous blue coating is best maintained in shade.

Uses & Benefits:

Provides lush, textured foliage in shaded gardens, adding visual interest year-round.

Easy to grow and maintain, tolerates deer and rabbit browsing.

Supports pollinators and beneficial insects with its nectar-rich flowers.

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

15 inches

Width

30 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Prefers moist environment

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 or partially shaded spot with well-draining loamy soil.
Tuck in the roots 1-2 inches deep and water thoroughly.
Mist cuttings or divide mature plants in early spring or fall.
Apply mulch to retain moisture and suppress weeds.
Fertilize lightly in early spring with a balanced fertilizer.
Monitor for pests and remove any affected leaves promptly.

Pro Tip

Ensure consistent moisture and avoid direct sunlight to keep leaves vibrant.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to retain soil moisture and regulate temperature
Divide every 3-4 years to rejuvenate plants
Fertilize in early spring with a balanced fertilizer

Don't

Avoid direct sunlight which can scorch leaves ❌
Don’t overwater, as soggy soil causes root rot ❌
Refrain from using high-nitrogen fertilizers excessively
Don’t ignore pest signs like slug damage

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded border with lush foliageWoodland garden accentSilvery-green groundcover

Companion Plants

Ferns Astilbe HeucheraJapanese painted fern Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Samuel Blue Hosta questions

What zones can Samuel Blue Hosta grow in?

Samuel Blue Hosta 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 Samuel Blue Hosta deer resistant?

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

When does Samuel Blue Hosta bloom?

Samuel Blue Hosta 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 Samuel Blue Hosta need full sun?

Samuel Blue Hosta does best in part shade.