Pelargonium Rust (Puccinia pelargonii zonalis) is not systemic in the plant. If all the leaves are removed and stems are trimmed, the root stock...
Your problem has probably been caused by Red Spider Mite. To confirm - look at the underside of an affected leaf. There should be lots of tiny...
The Aminopyralid problem has not gone away completely. The main issue is that the herbicide molecule responsible is very resistant to degradation...
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