perennial

Virginia Iris

Iris virginica 'Carl Amason'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

30 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

High

Humidity

Average to High

Lifespan

Perennial

Native To

Eastern and Central North America

Toxicity

Toxic to humans and pets if ingested

The Story

Plant Bio

Iris virginica, commonly known as Virginia Iris, is a perennial aquatic or semi-aquatic plant with sword-shaped leaves and elegant, violet-blue flowers that bloom in late spring to early summer. Cultivar Carl Amason is distinguished by its vibrant, deep violet flowers and its robust growth habit, making it a striking addition to water gardens and moist borders.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides striking purple flowers that brighten garden borders and attract pollinators.

Easy to grow and divide, making it a cost-effective perennial.

Supports native pollinators and beneficial insects.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck rhizomes 2 inches deep into well-draining soil.
Water regularly to keep soil moist but not waterlogged.
Place in a spot with full to partial sun for best blooms.
Mulch around the base to retain moisture and suppress weeds.
Divide every 3-4 years in early spring for vigorous growth.
Remove faded flowers to encourage new blooms.

Pro Tip

Plant in well-drained soil with full sun for optimal flowering.

Keep It Thriving

Care Guide

Do

Water during dry periods 🌱
Divide every 3-4 years
Remove spent flowers

Don't

Overwater to prevent rhizome rot ❌
Plant in poorly drained soil ❌
Ignore deadheading

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Colorful borderPerennial garden accent

Companion Plants

Daylilies Hostas Echinacea Sedum

Multiply

Propagation Methods

Good to Know

Common Questions

Virginia Iris questions

What zones can Virginia Iris grow in?

Virginia Iris 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 Virginia Iris deer resistant?

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

When does Virginia Iris bloom?

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

Does Virginia Iris need full sun?

Virginia Iris does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.