Siberian Iris

Siberian Iris Plant

The Siberian Iris is a remarkably beautiful plant whose purple, blue or white flowers can be found gently swaying in the breeze across the temperate climatic zones of the United States. This hardy plant is a hybrid of two Asian iris species, and is distributed across its native central Europe, Russia, Japan and Korea.

It has taken root quite successfully in the prairie soil of the United States, and become a staple in many household and ornamental gardens. Its thin petals are brightly colored, semi-opaque, and often have visible veins which add to their visual interest and stunning beauty.

Plant Details - Siberian Iris Plants

Family: Iridaceae

Light Requirement: Partial shade, Full sun

Water Needs: Moderate

Height: 2-4 ft

Spread: 1-2ft

Growth Rate: Rapid

Soil Preference: Fertile, Moist, Well-drained

Bloom Time: Spring, Summer

Flower Color: White, Purple

Wildlife Value: Butterflies

Notable Characteristics of Siberian Iris Plants

The Siberian Iris is an eye-catching flower, whose delicate blooms sway in the slightest breeze. They are made up of three upright petals called standards, and three wide, falling petals called falls, giving the blooms their distinct appearance. The blue-green foliage is thin and grass-like, often turning a pleasant yellow-brown in autumn. 

These plants are very hardy and adaptable, naturalizing easily and taking root in many climatic and soil conditions. The sap in the foliage of these bulb flowers contains a skin irritant, potentially causing contact dermatitis when handled without gloves.

Landscape and Maintenance of Siberian Iris Plants

The purple flowered plant is resilient, thriving in many conditions even outside of its native range. They enjoy moist soil and full sun and naturalize well near stream beds. In its native Eurasia, these plants are found in grassy meadows, in soil moistened by snowmelt from the mountains and nearby streams. 

However, the prairie-type soil they prefer can also be found in the eastern and midwestern United States through Colorado. The bright colored petals of the Siberian Iris attract many pollinators like butterflies and bees, and its foliage blends nicely with any temperate zone gardenscape.

This Is How Your Plants Will Look upon Delivery

How to Grow and Care for Bare Root Perennials, Tubers, and Bulbs

Bare root perennials, tubers, and bulbs are an easy and economical way to jumpstart your garden with lasting beauty. These dormant plants should be planted in early spring or fall while the soil is cool and workable. Before planting, soak bare roots in water for 1–2 hours to rehydrate them. Choose a location based on the plant’s light needs—most flowering types prefer full sun, while others thrive in partial shade.

For bare root perennials, dig a shallow hole and spread the roots out naturally, ensuring the crown is level with the soil surface. For tubers and bulbs, plant with the pointed side facing up at a depth about two to three times their height. Cover with soil, gently press down, and water thoroughly.

Keep soil consistently moist (not soggy) until new growth appears. Add mulch to retain moisture and suppress weeds, but avoid covering the crown or bulb tops. Once established, these plants require little maintenance—just seasonal watering, occasional dividing, and deadheading or pruning as needed. With proper care, they’ll return and thrive year after year.

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