What is the best and least expensive wholesale flower market in St. Louis?|101516

I need to buy bunches of curly willow, and some long stemmed lilies.

La Salle St in south city is what is known as florist row. This is where the flowers arrive daily and the wholesale shops are located. It is one block south of Chouteau and west of Jefferson. They will not sell retail so you will need your wholesale number with you.
Another option is to check out the flower stalls at Soulard Market early on a Saturday morning. They usually have some good prices on flowers and other greenery.