|Use||Allows the control of plants|
Dodge used the key in his series of attacks on the Locke family in February. However, the Lockes were able to fend him of through unknown means, although injured.
Note: The key only had one appereance, one page only, so what follows now ia pure speculation based on observation.
The key can be used in the green house. Once it "unlocks" an artefact in the green house, vines grow out of it rapidly. There are flowers on the vines, resembling the face of the user. Appareantly the vines are sentinent and follow the will of the one who activated them.