Prep. Lightly spray slow cooker with cooking spray and set aside. Rinse pork roast and pat dry.
Add garlic. Place pork roast in 6 quart slow cooker and spread minced garlic on top of roast.
Mix. In a small bowl, mix together salt, thyme, sage, cloves, and lemon zest.
Season. Sprinkle seasoning over pork roast making sure to cover top and sides of roast.
Cook. Add ½ cup water, place lid on and cook on low for 6-7 hours or high for 4-5 hours.
Make gravy. Once done, mix ¼ water and cornstarch together. Add to juices in slow cooker to form a gravy.
Slice. Slice or shred pork roast and remove bone.
Serve. Serve with mashed potatoes and enjoy!