- INCLUDES - All Different Ferns in 4" pots We will select the two Ferns based on the healthiest plants and what we have in stock. --- Ferns have been used as home decor for centuries. They are valued for their green foliage and ability to thrive in dark rooms. Ferns will prefer indirect light. Keep the soil moist and not too wet. Ferns thrive under high humidity. ¬¨‚Ä†