Monty Don shows how to prune and train the exuberant summer growth of climbing roses and makes the most of the seasonal warmth by planting perennials and sowing annuals for next year’s flowers.
Frances Tophill visits a viewer’s garden to give advice on how to prune unruly shrubs and Nick Bailey investigates a brand new way of combating Himalayan balsam, one of the UK’s most invasive weed species.
Stourhead in autumn is a horticultural highlight of the year, and Alan Power gives us a behind-the-scenes tour, while Arit Anderson travels to Yorkshire to find out how scientific research has uncovered the superpowers of plants, and we meet a gardener who has dedicated his allotment to growing his own beer.
In Gardeners World episode 27 2017 :
1. What is onion white rot?
White rot is a serious fungal disease of onions, garlic and leeks causing wilting and yellowing foliage. It may persist in the soil for many years.
2. Bulbs: naturalising
Drifts of daffodils, snowdrops and crocus in open grass are one of the classic signs of spring. Although they look like the work of nature, they are simple to create and will last for many years.
3. How to prune a tree
Ornamental garden trees require minimal maintenance, but a little sensible pruning can ensure the tree remains healthy and safe and grows in an attractive shape.
4. Pruning a climbing rose
Rose pruning ensures that plants grow vigorously and flower well each year. If left, climbing roses can become a tangled mess of branches with very few flowers. Although often considered complicated, rose pruning is not difficult if you follow this guide.
5. Hardy annuals from seed
It may seem rather a long way off to be sowing summer-flowering plants in autumn, but the forward planning will be rewarded by an impressive early display. Many annuals can be sown in autumn and will overwinter successfully.