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fungucide that won’t harm bees

JaneyedJaneyed Posts: 13
in Problem solving
I
have noticed black spots and yellow leaves on my dwarf willow tree. I think this is due to fungus but I don’t want to use fungicides that harm bees or any other insects. Can anyone recommend anything please. Thank you 

Posts

  • BobTheGardenerBobTheGardener Posts: 11,385
    They are wind pollinated, so unlikely to attract pollinating insects like bees.  However, these types of symptoms often appear on already weakened trees, so it may be down to growing conditions.  Is it in a pot or the ground?
    A trowel in the hand is worth a thousand lost under a bush.
  • Chris-P-BaconChris-P-Bacon Posts: 943
    Trim off the affected branches & foliage first. The only thing I can suggest is something I tried on my asters which is spraying with dilute sour milk. Much to my surprise it actually worked, but whether it'll work on willow, who knows?
  • JaneyedJaneyed Posts: 13
    Thank you very much both of you. Bob the gardener... it’s in the ground 
  • BobTheGardenerBobTheGardener Posts: 11,385
    They need a lot of water being willows - is there any chance it could have gone short last year in the droughts various areas had?  It may help if you can upload a few photos if possible?  One of the whole tree and a close up of affected leaves would be great. :)
    A trowel in the hand is worth a thousand lost under a bush.
  • JaneyedJaneyed Posts: 13
    We only put it in a couple of months ago and it’s rained non stop since 😀 I will get a photo but it’s pouring again at the moment. Thank you again 

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