Wilting Platycerium superbum!

Hatfield, United Kingdom

Please help me figure out what's wrong with my superbum! I've read all I can on this website and others, and asked multiple Facebook groups but no one even responds! So I'm hoping someone here with expertise can help.

I have had this superbum mounted since March and it's been doing great. I got it with the few browning parts along the edge so that's no worry. But recently the main frond has started wilting and hanging down. I of course watered it to see if it was thirsty. But no change. I water it about every 2 weeks by soaking it in water and I mist it multiple times a day. It's in my sun room which over the last month or so has been pretty hot, say up to 35°C but when it is that warm I open the windows and doors to get fresh breeze. There are other parts of the plant that are growing, I'm not sure the correct terms but another frond is growing, and the little fuzzy circular bit on the bottom center has grown substantially since I got it.

Any tips please! Is it too hot? Did I burn it? Could it be root rot, I don't think it's too wet... Could it be under watering? Is it normal?

First pic is when I first mounted it back in March. Second pic is the sad drooping fronds. Third pic is of the new growth.

Thank you!

Thumbnail by Fatsilas Thumbnail by Fatsilas Thumbnail by Fatsilas
Powder Springs, GA(Zone 7b)

Not much to grow on from the looks of it. Did you add any soil behind the mounting point? Anyway they are fairly adaptable plants. I move mine in for winter and keep it alive by barely watering through six months in the basement. I move it out in spring (too heavy to hang these years) and water if hot and dry but allow the rain to do its job. I've had it over 20 years now and started it in a wire sheet moss hanging basket. The hangers are gone and the wire may be too (can't see it today).

I stuck it in this big tub of water to hydrate it and also drown/evict the ants that took up residence this winter. I placed it on top of a big saucer in a shady area of the backyard for summer.

Thumbnail by hcmcdole Thumbnail by hcmcdole

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