The Republic of Ireland Under-19 international arrives at the Weston Homes Community Stadium on an initial month-long deal and is set to be in contention for his debut away at Sheffield United on Saturday.
Garmston is yet to make a first-team appearance for Albion but is a regular in the Under-21 side.
The teenager is set for his first taste of the Football League in what is his maiden loan move.
- Sports & Recreation
- Sheffield United
- Weston Homes Community Stadium