sulphur question

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monkapotamus Winston Salem, NC(Zone 7b) Apr 24, 2010

I want to start growing blueberries in containers. I found some advice that recommended adding a handful of 'soil sulphur' to acidify the soil. I have a bag of Green Light "wettable dusting sulphur" that is labeled for insect and fungus control, but it is 90% sulphur (don't know what the other 10% is, it just says 'inert'- I'm guessing something to keep it from clumping) . Can someone tell me if this would appropriate to use, or if I need to go buy another product specifically labeled for acidifying? Thanks!

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HoneybeeNC Charlotte, NC(Zone 7b) Apr 25, 2010

You can use Azalea fertilizer. It will say "for acid loving plants" right on the bag. Blueberries like very acid soil - my blueberries are just beginning to bloom, but I don't expect fruit this year because the plants are still very young.

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