Gardener's notebook: how to use eco-friendly wool in your garden, from compost to twine

When you think of wool, you might not think about gardening, but wool products are having a revival in the garden world.

The popularity of wool for clothing and textiles has generally been in decline since the 1950s. But over the past few years an increasing number of wool based products are available to gardeners who want to take a more environmental approach.