We have only friday and saturday and are staying in Haarlem. Im an wondering if it would be feasible to visit the auction before going to Amsterdam for the day?TThank you very much jack
You can visit it on Friday (the auction market is closed on weekends).
Find more info here: http://www.floraholland.com/en/about-floraholland/visit-the-flower-auction/aalsmeer/
If you are arriving in Haarlem on the Friday you may miss it. Everything is all packed up well before lunchtime.
A truly remarkable thing to see if you can make it work into your schedule.