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Alliums not blooming

I planted giant alliums several 4 years ago.  I had very nice blooms for 2 years.  Since then they have had no blooms.  For the last 2 years they have been producing a lot of healthy looking foliage but never bloom.  They are in sun.  Any ideas?


  • fidgetbonesfidgetbones Posts: 17,431
    Are they planted deep enough? If they are shallow, they split and form a lot of bulbs but not a lot of flowers.  A bit of a feed once they start flowering builds up the bulbs faster.
  • Thanks!  I think I'll dig them up and replant (making sure they are deep enough), divide, and see what happens next year.
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