The Rotary Club of King's Lynn will be painting the town purple as part of their campaign to eradicate polio.
The club will be planting 10,000 crocus bulbs along roadsides to promote and celebrate the efforts made in vaccinating children against the disease.
Some 32 years ago, Rotary International set itself the task to rid the world of the crippling disease, whereby every child in every country of the world would be immunised.
Rotarians have helped to immunise more than 2.5b children in 122 countries.
A club spokesman said: 'Funding for the enormous project has come from almost every Rotary Club in the world and the Rotary Club of King's Lynn have always responded when more money is called for.
'The Club's Rotary Foundation chairman, Derek Harvey, liasied with the Town Council to turn the Town Hall purple in recognition of Rotary's campaign, which they did to great effect.'
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