Symbols of Outdoor Ferns: 

1.Sincerity and humility: Ferns are often associated with sincerity and humility, as they grow in dark and damp places without seeking attention or recognition.

2.Protection and shelter: Ferns are often used as symbols of protection and shelter.

3.New beginnings and growth: Ferns are also associated with new beginnings and growth.
4.Secret and hidden meanings: Ferns have long been associated with secret and hidden meanings, as they were often used in Victorian-era gardens to create hidden grottos and secluded areas.

5.Perseverance and endurance: As a symbol, they represent perseverance, endurance, and the ability to overcome obstacles.