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 Mildred Seaver

Hosta x hybrida 'Mildred Seaver'

The Story

Plant Bio

Hosta x hybrida 'Mildred Seaver' is a deciduous perennial known for its broad, lush foliage and elegant, trumpet-shaped lavender flowers that bloom in summer, creating a graceful ground cover.

This large hosta is prized for its striking, corrugated, heart-shaped leaves with blue-green centers and wide, irregular, chartreuse to creamy yellow margins.

Uses & Benefits:

Adds lush, textured foliage with year-round interest in shaded gardens.

Helps retain soil moisture and suppress weeds in shady areas.

Provides habitat for beneficial insects and small wildlife.

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

22 inches

Width

50 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Prefers moderate to high humidity

Lifespan

Many years

Native To

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 roots into well-draining soil in early spring.
Water regularly to keep soil moist but not soggy.
Mulch around base to retain moisture and suppress weeds.
Divide every 3-4 years in early spring for best growth.
Fertilize with a balanced slow-release fertilizer in spring.
Place in partial shade for optimal leaf coloration.

Pro Tip

Plant in partial shade to prevent leaf scorch and enjoy vibrant foliage.

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist 🌱
Mulch annually to conserve moisture
Divide in early spring to rejuvenate the plant

Don't

Avoid full sun which can scorch leaves ❌
Don’t let soil dry out completely
Avoid heavy, waterlogged soil

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

Shaded border with textured foliageUnderstory planting in woodland gardens

Companion Plants

Ferns AstilbeJapanese painted fern Heuchera Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Mildred Seaver questions

What zones can Hosta Mildred Seaver grow in?

Hosta Mildred Seaver 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 Mildred Seaver deer resistant?

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

When does Hosta Mildred Seaver bloom?

Hosta Mildred Seaver 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 Mildred Seaver need full sun?

Hosta Mildred Seaver does best in part shade.