I also have a monster Anthemis E.C Buxton which is also full of mildew.
My windy garden wrecks it too which means it is trussed as it was flopped down over other plants. I love the pale yellow flowers but it’s a mess currently.
It’s about 1.5 m tall. Is this plant suitable for the Chelsea chop… for next year?
If you want to Chelsea chop for next year, you need to do it next spring. You can cut it back hard now to tidy it up for the rest of the year though. It will regrow into a tidier clump of foliage. You might even get a few more flowers in a month or two's time.
"What is hateful to you, do not do to your neighbour".
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And some views from the front garden beds -
Anthemis & Agastache
Helenium & Eryngium through stems of Stipa
And finally Helenium & Salvia
I play with plants and soil and sometimes it's successful
.. and how it looks now...
@OtherChris that is a knockout transformation!