Iris Sibirica 'Lady Vanessa'

Siberian Iris

Iris sibirica ‘Lady Vanessa’ — commonly called Siberian iris — is a graceful clump-forming perennial featuring rich rosy-purple to reddish-violet flowers with delicate veining and lighter markings, blooming in late spring to early summer above slender upright green foliage. Its refined flower color and narrow arching leaves give it a soft but striking presence in borders and moist garden settings.

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 margins, and naturalized groupings. The warm flower color pairs well with whites, blues, and silver foliage plants.

Care: Water during extended dry periods, especially in spring and early summer. Divide clumps every 4–5 years in early spring or late summer to maintain vigor. Remove spent flower stalks 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, Partial Shade

Growth rate

Fast

Bloom time

Early Summer, Late Spring

Flower color

Red Violet

Leaf color

Green

Attracts

Butterflies

Soil

Loamy, Moist well-drained, Tolerant of Clay

Shape

Clumping, Upright

Deer resistant

Yes

Drought tolerant

No