Something to explore, I’m converting all my pots this weekend. If your annuals are on their own zone, http://store.rainbird.com/drip-low-volume/dripline-blank-tubing/et2551250-1-4-in-non-pressure-compensating-emitter-tubing-50-ft-black.html
That’s 1/4 inch!
Just serpentine that through your flowers and set the root depth and available water real high to,have that run for 3 hours through the day.
