Species

Miscanthus sinensisChinese Silver Grass

23 other cultivars

grass RHS Award

Cosmopolitan Chinese Silver Grass

Miscanthus sinensis 'Cosmopolitan'

The Story

Plant Bio

Miscanthus sinensis 'Cosmopolitan' is a hardy, ornamental grass known for its attractive variegated foliage and striking plumes.

This cultivar features distinctive pink-tinged, cream-colored blades, providing visual interest throughout the growing season.

Uses & Benefits:

Miscanthus sinensis Cosmopolitan adds elegant, feathery plumes and vertical interest to gardens all season.

Provides privacy screening and windbreaks in landscape design.

Supports local pollinators and provides habitat for beneficial insects.

SpeciesMiscanthus sinensisChinese Silver Grass

Essentials

At a Glance

Plant Type

Grass

Height

84 inches

Width

48 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8, 9

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Asia

Toxicity

Non-toxic to humans and pets

Bloom period

Late summer – Early fall

In flower about 2 months of the year

Planting

How to Grow

Select a sunny location with well-drained soil for planting.
Tuck seedlings or rhizomes into the soil, ensuring proper spacing.
Water thoroughly after planting to establish roots.
Mulch around the base to retain moisture and suppress weeds.
Fertilize in early spring with a balanced fertilizer for vigorous growth.
Divide clumps every 3-4 years in early spring or late fall.

Pro Tip

Ensure ample space for the tall, arching blades to prevent crowding.

Keep It Thriving

Care Guide

Do

Water regularly during dry spells 💧
Prune dead or damaged foliage in late winter ✂️
Fertilize in spring with a slow-release fertilizer
Divide clumps every few years to maintain vigor
Mulch to conserve moisture and suppress weeds

Don't

Avoid overwatering to prevent root rot ❌
Don’t cut back in late fall; wait until early spring
Never plant in poorly drained soil
Refrain from fertilizing excessively in late summer

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Fertilize
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Tall ornamental grass for privacy screensSoftening hardscape edges with lush foliageAdding movement and texture to flower beds

Companion Plants

Echinacea Sedum RudbeckiaLavender Achillea

Multiply

Propagation Methods

Good to Know

Common Questions

Cosmopolitan Chinese Silver Grass questions

What zones can Cosmopolitan Chinese Silver Grass grow in?

Cosmopolitan Chinese Silver Grass is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Cosmopolitan Chinese Silver Grass deer resistant?

Yes — Cosmopolitan Chinese Silver Grass is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Cosmopolitan Chinese Silver Grass bloom?

Cosmopolitan Chinese Silver Grass typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Cosmopolitan Chinese Silver Grass need full sun?

Cosmopolitan Chinese Silver Grass does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Cosmopolitan Chinese Silver Grass drought tolerant?

Yes — once established (usually after the first full season), Cosmopolitan Chinese Silver Grass handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.