Sunflower pests - Knowledgebase Question

Las Vegas, Ne
Question by blonderocker
May 7, 2010
I have put 3-inch plastic boarders around all my sunflower seedlings to protect against cut worms, but there are still holes in all their leaves...more and more each day..what else could be doing this?

Answer from NGA
May 7, 2010


Cutworms encircle the stem and gnaw their way through but they don't bother the leaves. I suspect either beetles or little caterpillars are chewing on the leaves. Check the undersides of the leaves for caterpillars. If you find them, use Bt (sold as Dipel or Thuricide) to control them. If you find beetles you can handpick and destroy them or you can use Power Force Multi-Insect Killer by Bayer. Best wishes with your sunflowers.

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