Scientific Name:
Iris setosa
Pronunciation:
EYE-riss
Common Name:
bristle-pointed iris, northern blue flag
Family Name:
Iridaceae
Plant Type:
Flowering cut plant, Herbaceous perennial
Key ID Features:
Stems 10cm-1m(-1.2)m tall, 1-3 branches, from bulb; leaves basal, linear, most 30-60cm long x 1-3cm wide, glaucous undersides; raceme with flowers 3–4 per stem (between 6 and 13 for whole plant), each 7-12cm wide, dark blue-violet with darker veined petals or with markings (pink or white cvs.), peduncle 45-75cm long, May-Jul.
Habit:
Upright
Form:
Vase
Texture:
Medium - fine
Mature Height:
0.7 - 1.3m
Mature Spread:
0.1 - 0.3m
Growth Rate:
Fast
Origin:
North America, S.E. Asia / Japan / China (also Russa)
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Bog
Landscape Uses:
Cut flower or foliage
Additional Info:
Leaf Morphology:
Form:
Simple
Arrangement:
Basal
Texture/Venation:
Soft flexible, Parallel venation
Surfaces:
Glabrous, Glaucous
Colour in Summer:
Bluish, Green
Colour in Fall:
Yellow
Shapes:
Linear
Apices:
Acute
Bases:
Sheathing
Margins:
Entire
Inflorescence Type:
Raceme
Flower Morphology:
Flowers perfect
Number Of Petals:
3
Corolla Shape:
Ligulate
Ovary Position:
Inferior
Colour (petals):
Showy, White, Blue, Violet, Pink
Flower Time at Peak:
May, Jun, Jul
Additional Info:
The outer petal-like sepals (called falls) are broad and spread out; three inner petals (called standards) that are typically more upright; the three stigma branches also appear petal-like
Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Jul, Aug
Additional Info:
Fruit insignificant
Bark or Stem Colour:
n/a
Organ Modifications:
Bulbs, Rhizomes
Propagation:
Division - below ground parts
Maintenance:
Low
Pest Susceptibility:
Slugs or snails, Thrips (Pest resistant, Disease resistant, Deer resistant, Rabbit resistant)
Specific Pests:
