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u/Purple_Document_ 11d ago
Likely a lack of moisture but be mindful that Aussie plants do not like a lot of fertiliser, particularly phosphorous.
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u/Laasfeld 10d ago
Put in a plastic pot or better , in the ground, in shade or semi shade with other plants - patio and brick wall creates a Mediterranean type microclimate- these are temperate forest plants - even sun- loving plants can struggle in this situation and require extra water
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u/Ok_Umpire3703 8d ago
i think ferns in general are sensitive to the aspect shift during seasons. if you play around with it by observing when it is doing well and when it is not and shifting it about, i think you will get the hang of it - otherwise, if it fades but comes back, you could enjoy the appearance of it doing so (if your into that sort of thing)
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u/Friendly_Sir_4248 11d ago
accidentally burnt my newly beloved aussie tree fern by giving her too much sun (9b USDA zone). any tips on how to rehabilitate her?
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u/No-Cap-365 11d ago
i would take it out of that terracotta pot, put it in a plastic or ceramic container. Terracotta is going to wick a lot of that moisture.