unprunable
/ˌʌnˈpruːnəbəl/Definitions
1. adjective
Impossible or difficult to prune, or to cut or shorten, especially trees.
“The unprunable branches of the old tree posed a threat to the surrounding structures.”
2. adjective
Impossible or difficult to remove or shorten, especially unwanted or excess parts.
“The new software made it possible to prune unprunable data from the database.”