Sorry c.hyldager. You appear to have typed the three letters that feature above the text box.
B: for Bold
I: for Italic
U: for Underline
I'll guess from your title that you'd like to know what would do well in an acidic soil.
Rhododendrons; Pieris; Magnolias are shrubs that like acid soils.
Heathers and Japanese anemones also like acid soils.
I hope that this helps.
and blueberries. Ornamental and edible
Brilliant Ladybird - I'd been wracking my brain trying to find the significance of those letters