perennial

Champagne Waltz Yellow Flag Iris

Iris pseudacorus 'Champagne Walz'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

48 inches

Width

30 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Prefers consistently moist to wet soil; tolerates shallow water.

Humidity

Prefers humid environments

Lifespan

Perennial

Native To

Europe, North Africa, Western Asia

Toxicity

All parts are toxic if ingested, can cause skin irritation.

The Story

Plant Bio

Iris pseudacorus, or yellow flag iris, is a vigorous, clumping, rhizomatous perennial. It features sword-like, gray-green leaves and is typically found in wet, boggy areas or shallow water. It is considered invasive in many regions. Distinctive for its large, elegant flowers which are a soft, creamy pale yellow or 'champagne' color, a notable departure from the bright yellow of the species. It retains the species' vigorous growth and tolerance for wet soils.

Uses & Benefits:

Vibrant yellow flowers add striking color to wetlands and ponds, attracting wildlife and enhancing landscape beauty.

Excellent for water filtration and erosion control in wet areas.

Provides habitat and nectar for pollinators like bees and butterflies.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck rhizomes into moist, well-drained soil in early spring.
Water regularly to keep soil consistently moist, especially during dry spells.
Mist cuttings with water to encourage root development.
Divide clumps every 3-4 years to maintain vigor.
Mulch around plants to retain moisture and suppress weeds.
Transplant in early spring or fall for best results.

Pro Tip

Plant in full sun for vibrant blooms and vigorous growth.

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist 🌱
Fertilize in early spring with a balanced fertilizer
Divide clumps in early spring or fall

Don't

Avoid waterlogging, which can cause root rot ❌
Don’t plant in deep shade, as it reduces flowering
Refrain from neglecting mulching, which helps retain moisture

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bold yellow-flowered wetland edgeStriking water garden borderSplash of color in rain gardens

Companion Plants

Cattails Pickerel weed Marsh marigold Blue flag iris Swamp milkweed

Multiply

Propagation Methods

Good to Know

Common Questions

Champagne Waltz Yellow Flag Iris questions

What zones can Champagne Waltz Yellow Flag Iris grow in?

Champagne Waltz Yellow Flag Iris is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Champagne Waltz Yellow Flag Iris deer resistant?

Yes — Champagne Waltz Yellow Flag Iris is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Champagne Waltz Yellow Flag Iris bloom?

Champagne Waltz Yellow Flag Iris typically blooms in late spring to early summer through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Champagne Waltz Yellow Flag Iris need full sun?

Champagne Waltz Yellow Flag Iris does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.