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 Obsession

Hosta x hybrida 'Obsession'

The Story

Plant Bio

Hosta 'Obsession' is a shade-loving perennial featuring a mound of ovate, slightly wavy, dark green leaves with wide, irregular creamy-white margins. In mid-summer, it produces spikes of lavender, bell-shaped flowers on tall scapes.

This cultivar is prized for its vibrant variegation and robust foliage, making it a popular choice for shaded garden borders and containers.

Uses & Benefits:

Provides lush, textured foliage year-round, adding depth to shaded gardens.

Helps retain soil moisture and suppress weeds in shaded areas.

Supports local pollinators with its nectar-rich foliage.

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

36 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7, 8, 9

Water

Medium to wet

Humidity

Prefers humid environments

Lifespan

Perennial

Native To

Northeast 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

Tuck seeds or divisions into shaded soil, water thoroughly.
Mist cuttings regularly to maintain humidity.
Plant in rich, moist soil with good drainage.
Mulch around roots to retain moisture and suppress weeds.
Fertilize with a balanced fertilizer in early spring and mid-summer.
Divide every 3-4 years in early spring for best growth.

Pro Tip

Plant in shaded areas with rich, moist soil for best results.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to conserve moisture and regulate temperature
Divide in early spring to promote vigorous growth

Don't

Avoid direct sunlight which can scorch leaves ❌
Do not let soil dry out completely
Avoid over-fertilizing which can cause weak stems

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 foliageMoist woodland garden backdropContainer planting for shaded patios

Companion Plants

Ferns Astilbe HeucheraJapanese painted fern Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Hosta Obsession questions

What zones can Hosta Obsession grow in?

Hosta Obsession 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 Obsession deer resistant?

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

When does Hosta Obsession bloom?

Hosta Obsession 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 Obsession need full sun?

Hosta Obsession does best in part shade.