Pairing Partners - Blue & Orange

Blue & Orange

Blue hues mingle well with yellows, pink and opposite - orange.
Perovskia tall upright spikes compliment many mounded forms of perennials such as orange flower asclepias - which holds it own in a bright sunny location.  Flowers clusters on asclepias begin in midsummer and attract hordes of butterflies:

Other orange hued plants to consider:

Echinacea Tiki Torch
Echinacea Tangerine Dream
Rose Oso Easy Hot Paprika