try pear for a 3d nectar profile. they can be set close and and the clover will do well in the thin shade. I also use a lemon thyme that my bees gorge on and produces the sweetest honey I have tasted for all ground cover areas. I also slip and sow road sides and neighbors fields and yards or ask them they don't mind (of course there will always be one that does) works for me arnold jones east tn. =====