Cactus and Tender Succulents forum: Copper sulphate to kill mould on cacti soil?

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Name: Kate
S Wales UK (Zone 9a)
Region: Wales Region: United Kingdom Cat Lover Sempervivums Cactus and Succulents Container Gardener
Region: Europe Butterflies Roses
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Eviesmummy
Feb 9, 2013 8:02 AM CST
Hi all, I'm new to both the site and the forum. I'm hoping to get to know some like minded cacti and succulent <3ing folks.

I read that a weak solution of copper sulphate sprayed on mouldy growths around the base of the cactus would kill off the moulds but not harm the plant. Is this true? If so what proportions of copper sulphate to water is considered optimum? I know that you can't buy copper sulfate any more, but I work in a chem lab, so while I can't take chemicals out of the lab, there's nothing in the rules that says I can't take my cactus into the lab......right??? of Smiling
Kate UK
[Last edited by Eviesmummy - Feb 9, 2013 8:04 AM (+)]
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Name: Carole
Clarksville, TN (Zone 6b)
Cherish today
Charter ATP Member Garden Sages Plant Identifier I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar
Garden Ideas: Master Level Celebrating Gardening: 2015 Cat Lover Avid Green Pages Reviewer Lover of wildlife (Raccoon badge) Birds
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SongofJoy
Feb 9, 2013 9:23 AM CST
Hi, Kate, and welcome --
Yes, copper sulfate will work on the mold. However, it can be toxic to humans if you touch it a lot. A solution of chamomile tea will also kill mold (safely).

I especially like Imidacloprid (in the UK this is marketed as "Provado Vine Weevil Killer" http://www.gardendirect.co.uk/garden-care/pest-weed-control/...).

The best and most beautiful things in the world cannot be seen or even touched -- they must be felt with the heart. ~ Helen Keller
Name: Kate
S Wales UK (Zone 9a)
Region: Wales Region: United Kingdom Cat Lover Sempervivums Cactus and Succulents Container Gardener
Region: Europe Butterflies Roses
Image
Eviesmummy
Feb 9, 2013 9:59 AM CST
Thanks for the info x
Kate UK
Name: Carole
Clarksville, TN (Zone 6b)
Cherish today
Charter ATP Member Garden Sages Plant Identifier I was one of the first 300 contributors to the plant database! I helped plan and beta test the plant database. I helped beta test the Garden Planting Calendar
Garden Ideas: Master Level Celebrating Gardening: 2015 Cat Lover Avid Green Pages Reviewer Lover of wildlife (Raccoon badge) Birds
Image
SongofJoy
Feb 10, 2013 7:19 AM CST
You're welcome.
The best and most beautiful things in the world cannot be seen or even touched -- they must be felt with the heart. ~ Helen Keller
Name: Arif Masud
Alpha Centauri (Zone 9a)
Native Plants and Wildflowers I helped beta test the Garden Planting Calendar Container Gardener Plant Lover: Loves 'em all! Enjoys or suffers hot summers Multi-Region Gardener
KAMasud
Feb 25, 2013 12:53 PM CST
Cactus soil is supposed to be kept dry and mold requires moisture Confused one does not go with the other. How/what is mold doing on cactus soil?
Regards,
Arif.

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