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 Royal Flush

Hosta x hybrida 'Royal Flush'

The Story

Plant Bio

Hosta x hybrida 'Royal Flush' is a perennial groundcover featuring large, lush, heart-shaped leaves with a striking variegation of green and creamy white margins. It produces tall, graceful flower stalks with lavender-colored blooms.

This cultivar is distinguished by its vibrant variegated foliage that remains attractive throughout the growing season, and it is highly valued for its vigorous growth and reliable performance in shaded gardens.

Uses & Benefits:

Provides lush, attractive foliage throughout the growing season, adding texture and color to shaded gardens.

Helps suppress weeds and retains soil moisture in shaded beds.

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

18 inches

Width

35 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Regular moisture

Humidity

Prefers moderate humidity

Lifespan

Many years with proper care

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

Select a shaded location with well-draining soil.
Tuck rhizomes or plant divisions 2 inches deep in early spring.
Water regularly to keep soil moist but not waterlogged.
Mulch around plants to retain moisture and suppress weeds.
Fertilize with a balanced fertilizer in early spring.
Divide clumps every 3-4 years for optimal growth.

Pro Tip

Plant in partial shade for best foliage color and health.

Keep It Thriving

Care Guide

Do

Water consistently during dry periods 🌱
Mulch to conserve moisture and keep roots cool
Divide every 3-4 years to maintain vigor

Don't

Avoid direct afternoon sun which can scorch leaves ❌
Do not let soil dry out completely
Avoid over-fertilizing which can cause lush but 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

Shaded border with lush foliageSilver‑foliaged hedgeGroundcover beneath trees

Companion Plants

Ferns Astilbe HeucheraJapanese Forest Grass Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Royal Flush questions

What zones can Hosta Royal Flush grow in?

Hosta Royal Flush 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 Royal Flush deer resistant?

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

When does Hosta Royal Flush bloom?

Hosta Royal Flush 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 Royal Flush need full sun?

Hosta Royal Flush does best in part shade.