Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

Gardening

(2,102 posts)

2. Bayer makes a product

Thu Jun 2, 2022, 10:55 PM

Jun 2022

Bio advance
3 in one product.

I don't know where you live, I'm in upstate NY, and our growing season is short.
If you search "black spot on roses.site.edu" you should get research based info. Just look for your state.
In NY, counties have Cooperative extensions that have a wealth of info for individual growing areas tied in with Cornell University

https://www.gardendesign.com/how-to/black-spot.html#:~:text=A%20Cornell%20University%20researcher%20demonstrated,the%20spread%20of%20black%20spot.

Edit history

Please sign in to view edit histories.

0 members have recommended this reply (displayed in chronological order):

4 replies

= new reply since forum marked as read

Highlight:

The rose I bought last year was diseased, it turned out. [View all] Grasswire2 Jun 2022 OP

P.S. I have two other roses that don't seem to be involved. Grasswire2 Jun 2022 #1

Bayer makes a product mgardener Jun 2022 #2

Hybrid tea and most other roses require frequent spraying spooky3 Jun 2022 #3

I wonder if the Rose Garden could give you some tips ? CentralMass Jun 2022 #4