Species

Iris sibiricaSiberian Iris

20 other cultivars

perennial

Siberian Iris Uncorked

Iris sibirica 'Uncorked'

Same species

Species

Iris sibiricaSiberian Iris

20 other cultivars

Essentials

At a Glance

Plant Type

Perennial

Height

30 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Europe and Asia

Toxicity

Toxic if ingested

The Story

Plant Bio

Iris sibirica 'Uncorked' is a clump-forming perennial with slender, grass-like foliage and striking, tall flower stems bearing vibrant, richly colored blue-purple flowers with intricate falls and standards. This cultivar is distinguished by its intense, wine-red to deep burgundy hue in the flowers, adding a dramatic and sophisticated touch to perennial borders.

Bloom Period:

EarlyLate

Uses & Benefits:

Vibrant blue flowers add striking color to perennial borders.

Low-maintenance and drought-tolerant, ideal for water-wise gardens.

Provides nectar for pollinators and habitat for beneficial insects.

Planting

How to Grow

Tuck rhizomes 2 inches deep into well-draining soil
Water thoroughly after planting
Place in full sun for best blooms
Mulch lightly to retain moisture
Divide every 3-4 years in early spring
Remove dead foliage in late fall

Pro Tip

Plant in well-drained soil with full sun for vibrant blooms.

Keep It Thriving

Care Guide

Do

Water during dry spells 🌱
Divide every 3-4 years
Remove dead foliage in fall

Don't

Avoid overly wet soil ❌
Don’t plant too deeply
Refrain from over-fertilizing

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid border with purple bloomsDrought-tolerant rock garden

Companion Plants

Daylilies Peonies Salvia Alliums

Multiply

Propagation Methods

Good to Know

Common Questions

Siberian Iris Uncorked questions

What zones can Siberian Iris Uncorked grow in?

Siberian Iris Uncorked is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Siberian Iris Uncorked deer resistant?

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

When does Siberian Iris Uncorked bloom?

Siberian Iris Uncorked 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 Siberian Iris Uncorked need full sun?

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