Bird’s Nest Fern
What kind of fertilizer do you use on a bird's nest fern in the ground?
Certified GKH Gardening Expert
Fertilizer should only be given to the plant 2-3 times a year (1-2 in ground). Even then, the fertilizer (a liquid organic type or balanced slow release) should only be applied at half strength and should only be given during the spring and summer months.