Re: [SG] Hydrangeas (lowering pH)
- To: s*@MAELSTROM.STJOHNS.EDU
- Subject: Re: [SG] Hydrangeas (lowering pH)
- From: L* C* <L*@AOL.COM>
- Date: Thu, 17 Jun 1999 13:11:09 EDT
If you use Aluminum sulfate, follow the directions exactly. It also seems to be toxic to certain plants. I have found iron or ferrous sulfate to be much safer. Too bad I can't find it around here any more. I have had lots of Jap and Sib Iris die using Aluminum sulfate. Will never use it again. Lillian
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