I am inclined to agree, bees go for mass flowers hence their love for crops and trees, but all those little extras that we give them from our gardens help to flavour and colour our honey making every years honey different. Who wants the same old rape honey all the time, I love getting four or five different 'types' of honey during the year and that is mainly thanks to the extras that are flowering. Keep on sowing the seeds I say, it can't do any harm but it may do some good! And don't forget the butterflies, they need the flowers too!
E