Plants by mail order since 1984, over 4100 plants online today!


My Burncoose




Please Click here for latest ordering and Covid information. As per current government guidance, face masks are required when paying at the cashpoint.

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 -
30cm (12in)
bulb/corm - guide for size not form Hand Trowel
  10-50cm (4-20in)

Share this page

Twitter Facebook Digg
Visit the Caerhays Castle website
Order the 2020 Burncoose Catalogue
Payment methods accepted
watch us on you tube
Visit Burncoose House - Holiday Accommodation
Burncoose Nurseries: Gwennap, Redruth, Cornwall TR16 6BJ
Telephone: +44 (0) 1209 860316 Fax: +44 (0) 1209 860011 Email:
© Burncoose Nurseries 1997 - 2020      Website by Forgecom
All plant pictures are copyright © Burncoose Nurseries unless otherwise stated.
No rights are given to download any of our pictures and use them (for personal or professional use) without our consent.