Q.Planted First Rhododendron This Late Spring
I don’t think my soil is acidic enough after reading more on how to care for it. Can I safely add the sulfur to the soil now (late August)?
Thank you
joni

Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on September 9, 2012
Yes, it should be fine to do now. But I would recommend having your soil tested first to determine how acidic it is first. This article will explain more about soil testing:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
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