Avatar for Margy
Mar 24, 2018 8:50 AM CST
Thread OP
Name: Margy Stinson
Huntington, IN - near Fort Way (Zone 5b)
help moving an established peony
I am wondering if using volck oil, or a neem oil at this time of year would help my problem with black spot. I live in Indiana, zone 5. How soon to apply. My bushes barely show any green yet.
Mar 24, 2018 12:28 PM CST
Name: Jai or Jack
WV (Zone 6b)
Om shanti om.
Region: West Virginia Container Gardener Multi-Region Gardener Garden Photography Amaryllis Zinnias
Gardens in Buckets Annuals Houseplants Plant and/or Seed Trader Birds Garden Ideas: Level 1
I gave away all my roses last year before moving, but in the year leading up to that I treated them with tebuconazole which is a systemic fungicide, and Physan-20, which is a topical fungicide. I did so at least 3 times that I remember and I was shocked at how dark, green, and healthy all the growth was all year. I'm hesitant to say I didn't see any blackspot because technically it probably was there, but I did not expect it to be reduced as much as it was.

Previously I had tried neem oil a million different ways but I gave up on it because it's only minimally-to-moderately effective in areas with humid summers. I've never tried to Volck stuff. I don't know that I've even heard of it until now...
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