6 Years Without Magic

"You were sentenced not to use magic for six years by the Council of Magical Law and the Wizengamot, no?" Hermione said. "Yes." Draco said calmly. "Yet you're growing magical plants in your backyard?" she frowned. "Yes." he said, still calm. After the war a resourceful Draco starts a shady business with his muggle neighbour. Not consistent with epilogue of DH or CC.