ADVANTAGES OF PLANTING ON COCONUT HUSK Coconut husk acts as a good medium to grow plants. Coconut husk absorbs more water thus keeping the medium wet always. Coconut husk contains high lignin content and hence it is resistant to bacterial and fungal growth. Coconut husk is highly porous and hence it supplies oxygen to roots of plant, and hence the roots will not rot. pH of the medium can be .