Harpagophytum procumbens cultivation in Namibia

Hoodia cultivation in Africa

Crocus sativus - saffron - the golden spice

In the early part of the 16th century, ground ivy was used to clarify and flavour beer before the introduction of hops.

The Rockies, Canada

A Tasmanian bumblebee visiting a wood betony flower

Found growing in profusion on the slopes of Mt Chester, Canada

Endangered in its native Tennessee, this species is thriving in Tasmania

Saffron field in Iran - the world's largest producer of saffron (90% of total production)

Each crocus only produces three stigmas - all handpicked

Thyme field in Europe