1: Seed seen when garage is empty (7)
6: Clear initial rubbish in drain (3)
7: Capital of the current sports car (5)
8: Coats need woven yarns (9)
10: Demand payment? Just so! (5)
11: Height is equal to three-fifths of the first one (3)
13: Shelter Dracula's heart - he's representing blood-suckers (7)