Even though the soil may appear to be dry, deeper layers may still be the fungus rhizoctonia may infect the susceptible staghorn fern, causing black spots on the fern's fronds.
19+ Brown Spots On Staghorn Fern Fronds. When kept too wet, they are susceptible to a disease called rhizoctonia sp. It has been doing quite well, but over the past 3 months i have noticed that some of the fronds are turning brown and the tips are turning brown.
Covering the fronds is a soft layer of fine hairs, which absorb and retain moisture.
Instead, you need only a piece of wood. The staghorn fern gets its name from its antler shaped fronds, and it gets it nourishment from the air. The main things required by these leafy creatures are light. It has been doing quite well, but over the past 3 months i have noticed that some of the fronds are turning brown and the tips are turning brown.