Scientific Name:
Iris sibirica
Pronunciation:
EYE-riss sye-BEER-ih-kuh
Common Name:
Siberian iris
Family Name:
Iridaceae
Plant Type:
Aquatic plant, Herbaceous perennial
Key ID Features:
Stems branched mostly 3 times, leaves 25-80cm long, linear with strong midrib and smooth margins; flowers blue (white or purple cvs.); fruit capsules about 3-4.5cm long x 1-1.3cm wide; rhizomes about 1cm thick.
Habit:
Stiffly upright, Upright
Form:
Vase
Texture:
Medium - coarse
Mature Height:
0.4 - 0.7m
Mature Spread:
0.3 - 0.6m
Growth Rate:
Fast
Origin:
Central / west Asia, Europe
Hardiness Rating:
Zone 3: (-40 to -34 °C)
Exposure:
Full sun, Full sun only if soil kept moist, Part sun/part shade
Soil/Growing Medium:
Bog, Humus rich, Well-drained
Water Use:
Moderate, Aquatic, Wetlands
Landscape Uses:
Aquatic - ponds, Attract beneficial insects, Attract butterflies, Cut flower or foliage, Fragrance, Group or mass planting, Mixed shrub border, Perennial border, Summer interest, Waterside planting, Wetland - bogs
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Alternate
Texture/Venation:
Soft flexible
Surfaces:
Colour in Fall:
Yellow, Brown
Shapes:
Linear
Apices:
Acute
Bases:
Sheathing
Margins:
Entire
Inflorescence Type:
Raceme, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
3
Corolla Shape:
Ligulate
Ovary Position:
Inferior
Colour (petals):
Showy, White, Blue, Violet, Purple, Magenta (cv. Caesar's Brother is purplish; cv. Alba' is white)
Flower Scent:
Sweet
Flower Time at Peak:
Jun, Jul
Additional Info:
Iris sibirica ' Alba' is white, 'Moonsilk' is yellow. Like most irises found locally, this is a single flower with one inferior ovary but the stigmas are petal-like to make it appear as three separate flowers.
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep
Additional Info:
Showy,
Bark or Stem Colour:
Green
Organ Modifications:
Rhizomes
Propagation:
Seed, Division - above ground parts, Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Root rot, Rust, Slugs or snails, Wilt (Deer resistant, Rabbit resistant)
Course(s):
- HORT 1155
- Level 2 Apprenticeship
- CLT Training
Location(s):
- (GAZ) GAZebo
- (GAZS) GAZebo South : cv. Alba
- (ONW) Overpass North side West : cv. Caesar's Brother