Iris sibirica 'Snow Queen'

Snow Queen Iris

Iris sibirica ‘Snow Queen’ — commonly called Siberian iris — is a graceful clump-forming perennial prized for its pure white flowers, often accented by subtle yellow markings at the base of the falls, blooming in late spring to early summer above narrow upright green foliage. Its clean white blooms bring brightness and contrast to borders while the fine-textured foliage remains attractive through the growing season.

Type: Perennial

Mature Size:
Width: 18–24 in.
Height: 30–36 in.

USDA Zones: 3a–8b

Form: Upright, clumping

Light: Full sun to partial shade

Soil: Average to moist, well-drained soil; adaptable to loam and clay

Water: Medium; prefers evenly moist soil during active growth

Wildlife: Deer resistant; attracts butterflies

Features & Landscape Uses: Excellent for perennial borders, rain gardens, pond edges, and naturalized groupings. The white flowers brighten mixed plantings and combine well with purple, blue, and pastel companion plants.

Care: Water regularly during dry periods, especially in spring and early summer. Divide clumps every 4–5 years in early spring or late summer if flowering declines. Remove spent flower stems after bloom and cut back old foliage in late fall or early spring.

Plant type

Perennial

Height

30-36''

Width

18-24"

Hardiness zones

3–8

Sunlight

Full Sun

Growth rate

Fast

Bloom time

Early Summer, Summer

Flower color

White

Leaf color

Green

Fall color

Green

Attracts

Butterflies

Soil

Loamy, Moist well-drained, Tolerant of Clay

Landscape use

Container, Foundation, Hedge, Mass Planting, Water Garden

Fragrant

Yes

Deer resistant

Yes

Drought tolerant

No