catepillars in cannas - Knowledgebase Question

Myrtle Beach, So
Question by margaretspag
September 4, 2009
What are the catepillars that web seal the young rolled leaves of cannas? How do I eradicate them with out poisoning the edible mint adjacent?


Image
Answer from NGA
September 4, 2009

0

As if one isn't enough, there are three species of leafrollers and leafeaters that feed on cannas! Try Bacillus thuringiensis var. kurstaki (Bt for short; often sold as Dipel or Thuricide). Bt is a naturally occuring disease organism that makes caterpillars sick when they eat it. It eventually kills them. Watch the plants closely for signs of the caterpillars, and as soon as they appear, spray twice a week until they are gone.

You must be signed in before you can post questions or answers. Click here to join!

« Return to the Garden Knowledgebase Homepage

Member Login:

Username:

Password:

[ Join now ]

Today's site banner is by Fleur569 and is called "Working with Purple & White"