The best place to find fresh flowers is at your wholesale florist. There are no arrangements to choose from, only fresh flowers that are bundled for you in green or brown paper, together with a packet of flower food, if you're lucky. You pick the flowers, the stems are priced according to the list shown at the door.
This, of course, is only if the shop is open to the public. Not all wholesalers will welcome you. Google till you find several nearby, and call first.
Here in San Antonio, we are blessed to have Travis Wholesale on Josephine. A dozen friendly daisies for $3.00. A dozen deep red roses for $12.00. And just too much fun, roaming through and choosing from all the rest. One of the best deals in town.