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 Mount Tom

Hosta x hybrida 'Mount Tom'

The Story

Plant Bio

Hosta x hybrida 'Mount Tom' is a deciduous perennial known for its large, broad, and textured green leaves with prominent white margins, producing tall, graceful flower spikes of lavender or pale purple in summer.

This cultivar is distinguished by its striking variegation and its adaptability to shade, making it a popular choice for woodland gardens and shaded borders.

Uses & Benefits:

Hosta Mount Tom offers lush, variegated foliage that brightens shaded gardens and adds texture.

Provides ground cover, suppressing weeds and retaining soil moisture.

Supports beneficial insects and adds organic matter when composted.

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

12 inches

Width

24 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Prefers moist conditions

Lifespan

Perennial

Native To

Asia and North America

Toxicity

Non-toxic to pets

Bloom period

Early summer – Mid-summer

In flower about 2 months of the year

Planting

How to Grow

Tuck seeds or divisions into moist soil in early spring
Mist cuttings regularly to maintain humidity
Plant in shaded or partially shaded areas
Water consistently during dry periods, especially in first year
Apply mulch to retain moisture and suppress weeds
Divide every 3-4 years in early spring for best growth

Pro Tip

Ensure soil is rich and well-draining for optimal growth

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to retain moisture and prevent weeds
Divide in early spring to promote healthy growth
Place in shaded or partially shaded spots

Don't

Avoid full sun which can scorch leaves ❌
Over-fertilize, which may cause weak stems
Allow soil to dry out completely between watering
Ignore pests like slugs and snails

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 variegated foliageWoodland garden accent

Companion Plants

Ferns Astilbe HeucheraJapanese painted fern Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Mount Tom questions

What zones can Hosta Mount Tom grow in?

Hosta Mount Tom 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 Mount Tom deer resistant?

Yes — Hosta Mount Tom is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Hosta Mount Tom bloom?

Hosta Mount Tom typically blooms in early summer through mid-summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Hosta Mount Tom need full sun?

Hosta Mount Tom does best in part shade.