The British horticulturist has told gardening enthusiasts to harvest their garlic and shallots. (Image: Getty) British horticulturist and lead presenter of BBC gardening show 'Gardeners' World' Monty Don has shared a must have tip for budding gardeners everywhere this summer. The tip will help people get the most 'depth and deliciousness' from their home-grown food.

Writing in his July blog, Monty wrote: "If the leaves are yellowing and seed heads are forming, this is a good indication that garlic and shallots are usually ready to harvest. "The yellowing leaves and forming of seed heads is also a good indication that onions may be ready soon too - although they may need a few more weeks yet." function loadOvpScript(){let el=document.

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