7 Best Perlite Alternatives for Healthy Plant Drainage & Aeration

The best perlite alternatives are horticultural-grade pumice, rice hulls (parboiled), coarse sand (silica or quartz), expanded clay pellets (LECA), crushed lava rock, pine bark fines, and biochar (activated, low-ash). Each serves distinct purposes: pumice matches perlite’s neutral pH and porosity…



