QUESTION: Is there a way to save Boston ferns over the winter without bringing them into the house? The ferns I had on my porch this year were large and beautiful. Indoors, they drop leaves and make a mess. Can I keep them in the garage?
Most experts suggest the best way to keep Boston ferns over the winter is to bring them in and treat them like house plants. Unless your garage has a window that allows bright light to enter, it’s probably not the best option.
Southern Living Garden Book provides a method that may minimize leaf drop: “In fall, use sharp scissors to cut back all side fronds to the rim of the pot, leaving the top growth about 10 inches high. Place the pot indoors next to your brightest window and keep the soil fairly moist. By spring, your plant should be bushy again and ready for its return to the porch.”
Houseplant expert Barbara Pleasant (The Complete Houseplant Survival Manual) adds that Boston ferns need high humidity in addition to bright, filtered light, so daily misting is helpful. A light dose of balanced houseplant fertilizer every couple of weeks keeps them healthy.
It’s normal for them to shed leaves, she says, so keep scissors handy for clipping broken or brown fronds.