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 Hoosier Dome

Hosta x hybrida 'Hoosier Dome'

The Story

Plant Bio

Hosta x hybrida 'Hoosier Dome' is a deciduous perennial known for its broad, rounded leaves with a lush, textured appearance and tall flower spikes bearing pale lavender to white bell-shaped flowers.

This cultivar is distinguished by its dense, dome-shaped foliage that provides excellent ground cover and its striking, showy flower displays that attract pollinators.

Uses & Benefits:

Hostas provide lush foliage and year-round interest in shaded gardens, adding texture and color.

They help suppress weeds and improve soil moisture retention.

Attracts pollinators like bees and butterflies, supporting local biodiversity.

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

20 inches

Width

45 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Consistent moisture, avoid waterlogging

Humidity

Prefers moderate humidity

Lifespan

Many years with proper care

Native To

Eastern Asia (hybrid)

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 healthy rhizomes into well-draining soil in early spring.
Water regularly to keep soil moist but not soggy.
Apply a layer of mulch to retain moisture and suppress weeds.
Divide plants every 3-4 years in early spring or fall.
Fertilize with a balanced, slow-release fertilizer in spring.
Remove dead leaves in late fall for tidy appearance.

Pro Tip

Ensure consistent moisture and partial shade for best growth.

Keep It Thriving

Care Guide

Do

Water regularly, especially during dry spells 🌱
Mulch to conserve soil moisture and keep roots cool
Divide in early spring or fall to rejuvenate

Don't

Avoid full sun which can scorch leaves ❌
Don’t let soil dry out completely
Avoid over-fertilizing to prevent leaf burn

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 foliageUnderstory plant in woodland gardensSilvery-green accent in shaded beds

Companion Plants

Ferns Astilbe Hosta ventricosa Heuchera Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Hoosier Dome questions

What zones can Hosta Hoosier Dome grow in?

Hosta Hoosier Dome is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Hosta Hoosier Dome deer resistant?

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

When does Hosta Hoosier Dome bloom?

Hosta Hoosier Dome 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 Hoosier Dome need full sun?

Hosta Hoosier Dome does best in part shade.