How To Save A Dying Tree Fern. Water your fern when the soil is slightly dried out and ensure good drainage. A little bit of extra moisture over winter and certainly the cooler temperatures will help a transplant quite easily.
In plant problems by ana m. Trim off dead fronds with shears that were sterilized in a solution containing one part bleach and nine parts water. Winter is the ideal time to transplant a tree fern.
If your plant looks brown or dead, cut off the damaged areas.
In late fall before the ground freezes, give the tree a last deep watering to help it through the winter. It is recommended that you use natural fertilizers for better health of your trees. With one species of tree fern (dicksonia) the top can be cut off and planted and it will usually grow, but in almost all cases the lower parts of the plant will die. Easy prevention tips that actually work!