These delightful botanical crocuses will withstand the coldest weather conditions, are ideal for naturalising, and will flower year after year with little maintenance'. '.strtoupper('f')lowers february march'. '.strtoupper('h')eight 10cm'. '.strtoupper('b')lue pearl jewel like flowers that are iridescent blue outside and creamy white inside'. '.strtoupper('r')hs award of garden merit winner'. '.strtoupper('b')ulb size 5cm'. '.strtoupper('b')ulb sizes quoted in centimetres refer to the circumference of bulbs'. '.strtoupper('a')ll bulbs are sourced from cultivated stocks.crocuses are among the first heralds of spring'. '.strtoupper('t')heir cups of vivid colours make such a welcome splash of colour that youll just want to keep planting more and more'. '.strtoupper('a') magnet for bees in early spring!