A semi-arid region of South Africa and Namibia that receives less than 200mm of rain per year, but transforms each August into the world's largest wildflower display — millions of orange daisies covering the landscape from horizon to horizon.
Namaqualand receives less than 200 millimetres of rain per year. The soil is poor, rocky, and thin. The temperatures in summer reach 45°C. The plants that have evolved here are succulents and scrub — adapted to aridity over millions of years, storing water in their tissues, slowing their metabolisms during the long dry months.
Every year, if the winter rain arrives at the right time and in the right amount, the seeds that have lain dormant in the soil germinate simultaneously. The result lasts approximately six weeks. During those six weeks, Namaqualand becomes something impossible: from horizon to horizon, in every direction, orange and yellow and white daisies cover the ground so thickly that the underlying soil is not visible. The landscape looks repainted. The flowers are not scattered through the grass; they are the ground cover, continuous, millions of them per hectare.
The mechanism is an evolutionary trick of remarkable precision. The seeds time their germination to the exact combination of temperature and moisture that indicates reliable winter rain — a miscalculation, and the seedling would die in a subsequent dry spell. The flowers also track the sun: closed on cloudy days, open and facing the sun on clear ones. From the air, the fields of open flowers shift direction as the sun moves.
The display attracts 800 kilometres of visitors per year — the road through Namaqualand becomes one of South Africa''s most congested routes for those six weeks. The flowers do not notice. They are busy competing, producing seed, and setting the ground for next year''s display.