With spring fast approaching, WA's regions are set to burst to life with wildflowers to blanket more than 2.5 million square kilometres.

Thousands of international visitors come to WA each year for wildflower season to take in some of the 12,000 species that burst into bloom.

In Mullewa, more than 400 species of wildflowers will be on display at the annual wildflower show, which attracts up to 400 visitors a day.

Kathyrn Park, 47, who has volunteered at the Mullewa Wildflower Show for the past 13 years, has enlisted the help of her four-year-old granddaughter Lola this year.

"Lola loves to help pick the flowers but she only likes to pick certain coloured flowers, she only wants to pick pinks and purples," she said.

Ms Park said although reduced rainfall during the winter meant wildflowers would bloom a little later this season, there was still a lot to see.

"I tell people to drive slowly so they don't miss out on all the different types and varieties," she said.

"Wildflowers not only make the region beautiful but they liven up the town, they bring people from all parts of the world."

Heather Haigh and her husband Bruce, both 69, regularly embark on a long caravan trip from Kempsey, NSW, to WA for the wildflower season.

Ms Haigh said she fell in love with WA wildflowers when she worked as a florist and made her first trip west in 1979 to explore the unique species on display.

"Last year we went out as far as Mt Augustus and followed the wildflowers down past Wave Rock and this year we hope to get down towards Esperance," Ms Haigh said.

Most WA wildflowers bloom from late July to November.

The West Australian

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