The words "fern" and "blue" aren't often combined but one exception is Phlebodium aureum 'Blue Star,' known curiously as Bear's Paw fern. It offers large, slate blue fronds that make a dramatic ...

So, although the elegantly arching amsonia will never be a show-stopper, the muted slate-blue flowers and slender blue-green leaves create a perfect foil to, for those that love the limelight, for ...

I was already acquainted with Amsonia orientalis (syn Rhazya orientalis), a species from Greece and Turkey which has long been established in British gardens, but its washed-out slate-blue flowers had ...