Are You Afraid of the Dark? S07 E07 The Tale of the Reanimator

"Submitted for the approval of the Midnight Society, I call this story..."

Julie works for Mr. Doyle in his plant store. He's a nice but strange guy, and she discovers that he's cooking up something odd in his workshop. It's a potion that brings dead plants hack to life! Question is, what would happen if the potion were poured on a grave?