Bid goodbye to winter and usher in the spring with this superb crocus. It boasts white flowers with a blue base and beautiful feathering. Flowers february march. Height 10cm. Bulb size 8 9cm. 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! Dutch large flowered crocus c. Vernus larger than the botanical crocuses, jumbos make a splash of early spring colour. Plant in your lawn, between shrubs, in borders, or in patio containers. They bloom a few weeks after the botanical crocuses mixing both will create a long flowering carpet of colour!