These delightful botanical crocuses will withstand the coldest weather conditions, are ideal for naturalising, and will flower year after year with little maintenance. Flowers February-March. Height 10cm. Blue Pearl – Jewel-like flowers that are iridescent blue outside and creamy-white inside. RHS Award of Garden Merit winner. Bulb size 5+cm. (Bulb sizes quoted in centimetres refer to the circumference of bulbs. All bulbs are sourced from cultivated stocks.)Crocuses are among the first heralds of spring. Their cups of vivid colours make such a welcome splash of colour that youll just want to keep planting more and more. A magnet for bees in early spring!