Q. Birds love the sunflower seeds in our feeders but we hear they are allelopathic. Is this true? What can we put on the ground underneath in garden?

We love our garden bird feeder but the ground underneath looks bare. Thanks for your help!


Yes, sunflower seeds do retard growth of plants and germination of seeds. Also, birds repeatedly scratching the soil and eliminating wastes will stop the growth of grass under a bird feeder. Suggest you either move the feeder around every few weeks or put it where you won’t mind dead grass.


  • Last Updated Jan 08, 2019
  • Views 60
  • Answered By Janet Evans

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