Breeding habits are little known. The snake is oviparous and six to twelve elongated eggs are laid. Gravid females have been obtained in May and June and hatchlings in June. In Bangkok, according to Smith, mating takes place in June. Hatchlings measure 114–152 mm (4½ to 6 in) long, while the smallest gravid female recorded was 1,093 mm (3 ft 7 in) long.