Species

Iris sibiricaSiberian Iris

26 other cultivars

perennial

Siberian Iris 'Welcome Return'

Iris sibirica 'Welcome Return'

The Story

Plant Bio

Iris sibirica 'Welcome Return' is known for its robust habit and beautiful blue flowers.

This cultivar is a reliable rebloomer, producing a second flush of flowers in late summer or early fall after its initial late spring bloom.

Uses & Benefits:

Vivid blue flowers add striking color to gardens, thriving in borders and rock gardens.

Low-maintenance perennial with drought tolerance, ideal for xeriscaping.

Supports pollinators like bees and butterflies, contributing to garden biodiversity.

SpeciesIris sibiricaSiberian Iris

Essentials

At a Glance

Plant Type

Perennial

Height

28 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Prefers consistently moist soil

Humidity

Average

Lifespan

Perennial

Native To

Siberia and parts of Asia (cultivated hybrid)

Toxicity

Toxic to pets and humans if ingested

Bloom period

Late spring – Early summer

In flower about 2 months of the year

Planting

How to Grow

Tuck rhizomes 2 inches deep in well-draining soil in early spring.
Water sparingly after planting to establish roots, avoiding waterlogging.
Divide clumps every 3-4 years in late summer or early fall for best growth.
Mist foliage during dry spells to prevent dehydration, especially in summer.
Remove spent flowers to encourage rebloom and maintain plant health.
Apply a balanced fertilizer in early spring to promote vigorous growth.

Pro Tip

Plant in full sun with well-draining soil for optimal flowering and health.

Keep It Thriving

Care Guide

Do

Ensure full sun exposure for at least 6 hours daily 🌞
Use well-draining soil to prevent root rot
Divide plants every 3-4 years to maintain vigor
Remove faded flowers to promote rebloom
Apply a balanced fertilizer in spring

Don't

Avoid overwatering; irises dislike soggy soil ❌
Do not plant too deeply; keep rhizomes near surface
Refrain from fertilizing with high nitrogen in late summer
Avoid neglecting division to prevent overcrowding
Do not prune after late fall to avoid winter damage

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Perennial border with striking blue flowersRock garden accent with drought-tolerant foliageWildflower meadow for naturalistic appeal

Companion Plants

SalviaDaylilies SedumAlliums Russian Sage

Multiply

Propagation Methods

Good to Know

Common Questions

Siberian Iris 'Welcome Return' questions

What zones can Siberian Iris 'Welcome Return' grow in?

Siberian Iris 'Welcome Return' 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 Siberian Iris 'Welcome Return' deer resistant?

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

When does Siberian Iris 'Welcome Return' bloom?

Siberian Iris 'Welcome Return' 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 'Welcome Return' need full sun?

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