From Longman Dictionary of Contemporary Englishhedge in phrasal verb be hedged in1 AROUND/ROUNDto be surrounded or enclosed by something The building was hedged in by trees.2 FORBIDif you feel hedged in by something, you feel that your freedom is restricted by it → hedge→ See Verb table
Examples from the Corpus
hedge in• They had a beautiful yard hedged in by hydrangeas.• Suppose indeed that we were hedged in by limitations of comprehension we could not comprehend?• In each case, the reforms were hedged in with clauses designed to preserve leeway for the authorities. 