Allium cyaneum



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We've gotten this excellent small species over the years with various names attached such as 'Sky Blue' and 'Cobalt' and there is not a bit of difference between them. As a species, this is perfectly capable of standing on its own merits without the needless marketing ploy of a seductive name although there are differences in shades of blue but we have not had them. Small heads of dark violet blue flowers on 6" stems in June and July are held above dense clumps of fine grassy foliage. Easy and hardy clumper to zone 4 from China.


Plant Type

  • Perennial / Bulb

Mature Size


Hardiness Zones

  • Zone 4a (-30 °F)
  • Zone 4b (-25 °F)
  • Zone 5a (-20 °F)
  • Zone 5b (-15 °F)
  • Zone 6a (-10 °F)
  • Zone 6b (-5 °F)
  • Zone 7a (0 °F)
  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)
  • Zone 9a (20 °F)
  • Zone 9b (25 °F)

Sun Exposure

  • Full Sun

Water Needs

  • Moderate

Bloom Time

  • Summer
  • Deer Resistant Plants