I recently moved back into my childhood home (Melbourne) and noticed the tree fern that is older than I am is aging terribly. She is in 100% shade so no risk of sunburn, but only has one frond unfurling. All her remaining fronts are browning around the edges, so my best guess is she needs nutrients, but is there anything else I can do to get her looking lush like when I was a kid? Pics from 90s, 00s & today.
by rainamaste