noun

• 1An annual plant that may be sown in the open ground.

  ‘You should plant spring-flowering hardy annuals and biennials as soon as you can.’

  More example sentences

  • ‘Now that all threat of frost is gone, early summer is a perfect time to sow hardy annuals, such as lupines, outdoors in the garden.’
  • ‘Order spring flowering bulbs and hardy annual seeds for planting and sowing in autumn.’
  • ‘For a display of early flowers next summer, hardy annuals, such as Limnanthes douglasii, can be sown now’
  • ‘Autumn gives you an opportunity to plant bulbs, and also to get a head start on hardy annuals.’

• 2British informal A thing that recurs continually or at regular intervals.

  More example sentences

  • ‘it's that hardy annual again, the cross-generational love story, spanning three decades’