enverdure
/ˌɛnvɜrˈdʊər/Definitions
1. noun
a covering or overgrowth of greenery, especially on a building or monument
“The old church had a beautiful enverdure of ivy and flowers surrounding the entrance.”
2. verb
to cover or overgrow with greenery, especially in a natural or spontaneous way
“The ivy began to enverdure the old stone walls after years of neglect.”