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Siberian Iris

Category:

Siberian iris varies from white to blue; blooms emerge from lush, sword-like foliage; hardy and easy to grow; cut back in the fall to reduce pests

Characteristics

Species:
sibirica
Average Landscape Height:
18 inches (24 inches with the flowers)
Average Landscape Width:
24 inches
Genus:
Iris
Branching:
herbaceous
Plant Form:
over mound
Canopy:
low
Growth Rate:
medium
Pruning:
cut back in fall
Spacing:
18 inches
Flower Color:
blue
Flower Bicolor:
yellow
Flower Form:
flag
Flower Period:
in late spring
Summer Foliage Color:
green
Maximum Light:
full sun
Minimum Light:
partial shade
Maximum Moisture:
moist
Minimum Moisture:
average
Pollution Tolerance:
medium

Ornamental Features

Siberian Iris features bold blue flag-like flowers with yellow overtones and white centers at the ends of the stems in late spring. The flowers are excellent for cutting. Its sword-like leaves remain green in color throughout the season.

Landscape Attributes

Siberian Iris is an herbaceous perennial with tall flower stalks held atop a low mound of foliage. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

Planting & Growing

Siberian Iris will grow to be about 18 inches tall at maturity extending to 24 inches tall with the flowers, with a spread of 24 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 18 inches apart. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!

This plant does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This species is not originally from North America. It can be propagated by division.

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