Wildflowers of the Chilean Desert. Región de Atacama, Chile. The blooming of the desert is a miracle of nature and is an impressive and beautiful phenomenon to take place in Chile. Hundreds of kilometers of desert, usually only sand and rocks, are transformed in a great carpet of color and life. The flowering period varies according to the characteristics of the rainfalls, but usually starts at the end of August and may last till November or even December, if these are late.