Iris Sibirica 'Shirley Pope'

Siberian Iris

Iris sibirica ‘Shirley Pope’ — commonly called Siberian iris — is a strong clump-forming perennial with rich violet-blue flowers accented by lighter markings near the base of the falls, blooming in late spring to early summer above upright, narrow green foliage. Its clean flower form and dependable habit make it a reliable choice for borders and moist garden plantings.

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 violet-blue flowers blend well with white, pink, and yellow spring-to-summer companions.

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

Plant type

Perennial

Height

24"-36"

Width

20"-24"

Hardiness zones

3–8

Sunlight

Full Sun, Partial Shade

Growth rate

Fast

Bloom time

Early Summer, Late Spring

Flower color

White

Leaf color

Green

Fall color

Dark Green, Green

Attracts

Butterflies

Soil

Clay, Highly Adaptable, Moist well-drained

Landscape use

Border, Container, Mass Planting, Specimen

Shape

Clumping, Upright

Fragrant

Yes

Deer resistant

Yes

Drought tolerant

No