Water well and keep the soil moist until the bulbs have established themselves. Space the bulbs 8 to 12 inches apart and firm the soil down. Plant as described above, soaking the roots before planting in holes 3 to 5 inches deep. 'Caesar's Brother' produces deep purple flowers in late spring on rigid stems which rise to 40" high above a clump of arching, narrow, grass-like, linear leaves. A tall plant, Siberian Iris does best in large containers. Cascadia Iris Gardens boasts a fine collection of newer hybrids mixed with some of our favorite oldies. Siberian Irises grow from 10' up to 48' tall. They are low-maintenance and have beautiful foliage. Genus named for the Greek goddess of the rainbow. The Siberian Iris is a perfect plant for a mixed border. After bloom, the foliage clump will retain its blue-green color into the fall, often displaying showy leaves reminiscent of some ornamental grasses. In comparison to bearded varieties, Siberian irises have smaller beardless flowers, narrower grass-like leaves and an absence of thick fleshy rhizomes. Each flower features upright standards and flaring to drooping falls. Flowering stems rise above the foliage to 3’ tall in May-June, each stem bearing 2-5 flowers in colors which primarily include blue, lavender, purple and white, but sometimes yellow, pink and wine. Arching, narrow, grass-like, linear, blue-green leaves form a vase-shaped foliage clump to 2’ tall. sibirica (central Europe to northeastern Turkey and southeastern Russia) and I. Blooming in late spring to early summer, the blossoms rise atop sturdy flower stalks, well above the foliage. Plants in the Siberian iris group are chiefly of hybrid origin, primarily being derived from two blue-flowered Asian species, namely, I. Incredibly elegant, Iris sibirica Concord Crush (Siberian Iris) is a clump-forming perennial with heavily ruffled, rich violet-blue, double flowers adorned with glowing yellow signals. Remove flowering stems promptly after bloom unless the seed pods are considered to be an attractive addition to the garden. Divide plants as needed when overcrowding occurs and decreased flowering is evident. Siberian iris ( Iris sibirica ), from the Iridaceae family, is an example of a low maintenance, well-adapted plant that is perfectly suited for rain gardens, as well as other locations throughout the landscape.
In mild winter regions, plant the rhizomes in fall. When it comes to growing and caring for garden perennials, the Siberian Iris is one of the easiest flowers to plant in your garden.
In cold winter regions, plant the rhizomes in early spring or late summer. Rhizomes should be planted 1-2” below the soil surface and 1-2’ apart. Continue irrigation after bloom, however, to keep foliage clumps attractive. Best with consistent moisture from the onset of spring growth until several weeks after the flowers fade. In too much shade, plants tend to produce fewer flowers and foliage tends to flop. Siberian iris is an adaptable plant which tolerates a wide range of soils, including boggy ones, but will generally perform well in average garden soils.
#Siberian iris full#
Easily grown in moist, fertile, humusy, organically rich, neutral to slightly acidic, medium moisture, well-drained soils in full sun to part shade.
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