Could you please post a photo of the underside of the leaves of your #2 Pieris specimen? As close-up as possible, so we can check for traces of lace bugs. See more at https://www.rhs.org.uk/advice/profile?pid=663
Sorry for the delay Papi Jo in sending the photo you requested but here it is now. We couldn’t see any insects however, but maybe you can see something that we aren’t aware of.
It's very chlorotic. What is the drainage like in the pot? These glazed ones often have just a single hole which can easily get blocked up, therefore the plants sit in a sump of soggy compost. They like a bit of damp soil, but they need good drainage too. It looks like a sooty mould of some kind on the foliage, but it could be the lacebug damage. There's a small leaf up in the top right corner that certainly looks a possibility. Not something I've ever experienced on Pieris.
It's a place where beautiful isn't enough of a word....
I live in west central Scotland - not where that photo is...
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I live in west central Scotland - not where that photo is...
They like a bit of damp soil, but they need good drainage too.
It looks like a sooty mould of some kind on the foliage, but it could be the lacebug damage. There's a small leaf up in the top right corner that certainly looks a possibility.
Not something I've ever experienced on Pieris.
I live in west central Scotland - not where that photo is...