Ashley Cooper / Hyacinth fields near Keukenhof, Lisse, Netherlands.

Ernie Janes / Mediterranean spurge (Euphorbia characias) and Hyacinths in flower growing in container pots, Norfolk, England, UK, March.

Ernie Janes / Hyacinths (Hycinthus) in flower in container, Norfolk, England, UK, March.

Ernie Janes / Hyacinths (Hycinthus) in flower in container, Norfolk, England, UK, March.

Ernie Janes / Hyacinths (Hycinthus) and tulips in flower in container, Norfolk, England, UK, March.

Ernie Janes / Hyacinths (Hycinthus) in flower Norfolk, England, UK, March.

Kerstin Hinze / Garden hyacinths, white and blue (Hyacinthus orientalis) Lower Saxony, Germany

Albert Lleal / Common Hyacinth (Hyacinthus orientalis) SEM close-up view of pollen at 700x magnification

Nick Garbutt / Cultivated Hyacinths (Hyacinthus orientalis) flowers in field. Keukenhof Flower Gardens, Lisse, near Amsterdam, The Netherlands. April 2016.

Nigel Cattlin / Aborted flowering hyacinth (Hyacinthus orientalis) bulb pot plant with grey mould (Botrytis cinerea) infection