Cho Quang Ba in Hanoi is northern Vietnam's largest wholesale flower market on the West Lake bank, running 23:00-05:00 with pho stalls on the lake side.
Cho Hom in Hanoi is the Hai Ba Trung district's dry-goods market on Hue street, a quieter alternative to Dong Xuan with Northern food ingredients and Tet.
Order: Pre-made banh chung wrappers and dried mushrooms during Tet season; tropical fruit through summer.
Tip: Less tourist-heavy than Dong Xuan; bargain on the ground floor, fixed prices on the upper levels. Cash only.
Cho Long Bien in Hanoi is the city's biggest wholesale produce market under the 1898 Long Bien Bridge, running through the night and peaking 02:00-05:00.
Order: A bowl of pho at one of the bridge-foot stalls at 04:00; the bun rieu crab noodles run earliest.
Tip: Grab a taxi or motorbike, not Grab car (the alley routes block large vehicles). Operating since 1992.