rust

Watch Reply
More
Mark unread Print Skip to new
Jacklynn Mt. Pleasant, MI(Zone 5a) Jun 09, 2005

What causes rust on the leaves of some plants. I usually have a problem with Zinneas. How can I prevent this?

Post #1533194
Quote
paulgrow Allen Park, MI(Zone 6a) Jun 09, 2005

Rust is a fungal disease. The spores are airborne.
I've never seen it on zinnas, usually zinnas are loaded with powdery mildew.

Paul

Post #1534482
Quote

Post a Reply to this Thread

Please or sign up to post.
Back to Forum Homepage

More Michigan Gardening Threads

  • Birdhouses

    started by fishking54

    last post by fishking54
    Mar 03, 2024
    1
    Mar 03, 2024

  • Viney Tree

    started by Tmontana30976

    last post by Tmontana30976
    Apr 27, 2024
    0
    Apr 27, 2024
Go to all Michigan Gardening threads
BACK TO TOP