Plants with blue flowers, fruit or foliage are sometimes quite difficult to find.  We have accumulated a list of our top 10 "blue" plants. 
  1. Blueberries
     
  2. Globe Onion (Allium)
     
  3. Blue Oat Grass (Helictotrichon semp.)
     
  4. Blue Star Creeper (Laurentia fluviatilis)
     
  5. Bellflower (Campanula)
     
  6. Delphiniums
     
  7. Jacob's Ladder (Polemonium caeruleum)
     
  8. Lobelia (Lobelias)
     
  9. Monkshood (Aconitum)
     
  10. 'Nikko Blue' Hydrangea (macrophylla type)