If used in mulch (around roses) contaminated w black spot, could it kill spores living and/or overwintering there? Same active ingred used for roses!
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We would be happy to assist! We would not recommend applying to your mulch. Fungus Control for Lawns is designed to be used on lawns only. At your convenience, please give us a call at: 1-877-229-3725. We are available 8:00 am - 5:00 pm (CST) Monday - Friday. You can also reach out to us on our new improved customer friendly website at www.bayeradvanced.com. We look forward to the opportunity to assist you with a product recommendation! Jordan
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