To control black spots on roses use milk & water. How to make it: Add 1 cup of milk to 2 cups of water. Spray mixture directly onto rose leaves with a handheld spray bottle to protect them from black spots.
Instant protection for perennials -- Don’t watch on as just planted perennials get trampled or suffer broken stems! With just a handful of pliable branches, you can make easy, long-lasting coverage for new growth. Great idea for peonies too!