IRIS unguicularis

Commonly known as Algerian iris

(syn. stylosa) - clear blue winter flowering iris
Further Reading....
  • Evergreen
    Tough, grasslike leaves to 60cm (24in) long.
  • Blue
    Clear blue
  • Height
    30cm (12in)
  • Spread
    10-50cm (4-20in)
  • Bulb/Corm or rhizomatous perennial
    Vigorous, rhizomatous, beardless perennial. Large flowers 5-8cm (2-3in) across are produced on very short stems
  • Herbaceous
    Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
  • Hardy - cold winter
    Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
  • Against a wall
  • Full sun
  • Caution, toxic if eaten, may cause skin allergy or irritant
    These plants are toxic if eaten and may also cause a skin allergy, rash, irritation to eyes and skin.

 

  • Additional Features
    Good to know
    Does not need feeding or soil improvement. The older and more congested the clump becomes the better it flowers.
    Pests & Diseases
    Slugs, snails.
    Place of origin
    Greece, western and southern Turkey, western Syria, Tunisia, Algeria.
  • Garden Location/Conditions
    Rockery (inc alpine)
  • Hardiness
    Fully hardy
  • Scented Plants
    Scented flowers
  • Seasonal Interest
    Spring
    Winter
  • Soil Conditions
    Neutral to alkaline soil
    Well drained, dry, poor to moderately fertile soil
    Thrives in a dry, stony soil.
  • Wildlife
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30cm (12in)
bulb/corm - guide for size not form Hand Trowel
  10-50cm (4-20in)
 

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