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There are fears the influx will result in increased infections.
Communities along the Harare-Bulawayo highway are some of those witnessing the current trend.
In areas such as Whitecliff and Snake World, it is common to see scores of people, especially women, scrounging for the sought-after plant.
The Pota Farmers Block – a grouping of farmers living along Pota Road near Lake Chivero – is now raising the alarm.
“As a community, we cannot just sit down and watch as we get exposed to Covid-19. We have to be vigilant and take appropriate action,” said a member of the group on its social media platform.