The evening primrose oenothera fruticosa 39african sun39 is a great hardy perennial which contrary to what you might expect displays its yellow47gold flowers during daytime as well as evening otherwise known as sundrops the cheerful bowl45shaped blooms look wonderful in pots and containers in mixed borders in rockeries wildlife gardens and alpine gardens oenothera is a useful herbaceous perennial with slender green foliage and it thrives in many different settings it requi