# Help, my white widow has brown polka dots!

**URL:** <https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348>\
**Category:** Climate\
**Created:** [July 1, 2020, 1:47am UTC](https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348 "2020-07-01T01:47:15Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![R8DA](https://avatars.discourse-cdn.com/v4/letter/r/e9c0ed/32.png) [@R8DA](https://ilgmforum.com/u/R8DA)\
**Post date:** [July 1, 2020, 1:47am UTC](https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348/1 "2020-07-01T01:47:15Z")

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I have had these brown spots come and out throughout 3 times in the first 6 weeks. I used neem oil both previous times, but since my outdoor white widow auto is flowering, I dont want to use neem oil. What could be causing these spots?

![IMG_75691](https://global.discourse-cdn.com/growingmarijuana/original/4X/8/a/1/8a14d31d9eb9f7871ebd890f756b6558d25365da.jpeg) ![IMG_75711](https://global.discourse-cdn.com/growingmarijuana/original/4X/9/5/2/9528c6bd687c5d9666936d35654e20177ca5942b.jpeg) ![IMG_75721](https://global.discourse-cdn.com/growingmarijuana/original/4X/2/b/1/2b184676b21d5859323d382ed94504517be24899.jpeg)

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**Author:** ![darkillusion3526](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/darkillusion3526/32/272037_2.png) [@darkillusion3526](https://ilgmforum.com/u/darkillusion3526)\
**Post date:** [July 1, 2020, 4:34am UTC](https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348/2 "2020-07-01T04:34:09Z")

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From what I can tell it looks like fungal leaf spot. But that’s just my opinion.

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**Author:** ![R8DA](https://avatars.discourse-cdn.com/v4/letter/r/e9c0ed/32.png) [@R8DA](https://ilgmforum.com/u/R8DA)\
**Post date:** [July 1, 2020, 5:26pm UTC](https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348/3 "2020-07-01T17:26:57Z")

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That’s my thought, this is the third time battling it. What alternative other than neam oil!

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**Author:** ![appleyardjr267](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/appleyardjr267/32/177898_2.png) [@appleyardjr267](https://ilgmforum.com/u/appleyardjr267)\
**Post date:** [July 1, 2020, 5:39pm UTC](https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348/4 "2020-07-01T17:39:57Z")

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Yep i had leaf septoria or how ever u spell it before. If not then its calcium

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**Author:** ![darkillusion3526](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/darkillusion3526/32/272037_2.png) [@darkillusion3526](https://ilgmforum.com/u/darkillusion3526)\
**Post date:** [July 1, 2020, 5:50pm UTC](https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348/5 "2020-07-01T17:50:25Z")

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I have heard of people using a baking soda and water mix sprayed on there plants.

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**Author:** ![darkillusion3526](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/darkillusion3526/32/272037_2.png) [@darkillusion3526](https://ilgmforum.com/u/darkillusion3526)\
**Post date:** [July 1, 2020, 5:55pm UTC](https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348/6 "2020-07-01T17:55:08Z")

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If this is a on going issue and it proves to be leaf spot you might want to look up what causes it. Then get rid of the source. I know it forms in moist conditions.

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**Author:** ![R8DA](https://avatars.discourse-cdn.com/v4/letter/r/e9c0ed/32.png) [@R8DA](https://ilgmforum.com/u/R8DA)\
**Post date:** [July 3, 2020, 4:36pm UTC](https://ilgmforum.com/t/help-my-white-widow-has-brown-polka-dots/48348/7 "2020-07-03T16:36:27Z")

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My water ph was in the 7.6 range, it could be the culprit for the toxic soil/bacteria.