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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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