GGrape Wreck. In the last few years, master Trainwreck growers have begun experimenting with different crosses. Grape Wreck is one such strain being a cross between Trainwreck and Grape Ape. The fluffy, round nugs produced by Grape Wreck have a slight purple coloration and an abundance of orange hairs. They carry a signature sweet grape scent. Similiar to the scent, Grape Wreck taste is most definitely grape. The effects include a heavy body stone lasting upwards of two hours and a drastic increase in appetite. Patients commonly use Grape Wreck Strain to help with pain and sleeping isssues as well. Growing Grape Wreck Marijuana Has Medical Benefits.