He said the idea of having “stripy and neat” grass growing in the garden was harmful for animal conservation.
Monty encourages people to “get beyond that,” as letting nature take over was the “single most effective thing” they could do.
Making this small change, no matter how big a garden was, could make a real difference to the environment.
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“That just doesn’t cut the mustard.
“It’s just not good enough.
“We’ve all got to get beyond that,” he told Radio Times.
Monty regularly delights Gardeners’ World viewers with hints and tips to look after their outdoor spaces.
His own two acre garden, Longmeadow in Herefordshire, is separated into lots of smaller and more manageable gardens.
It features trees, shrubs, pretty pathways and a vegetable garden.