Plants for late-summer colour
Discover some plants that will add colour to your borders in September and October.
Don't say goodbye to summer too soon. It's possible to extend the season of colour in your garden by growing late-summer flowering plants. Many of these will flower until the first frosts, giving you a longer season of colour and interest, while providing insects with nectar and pollen they wouldn't usually have.
Perennials that peak in late summer are wide-ranging, as are shrubs and climbers. Most fashionable annuals, exotics and tender perennial patio plants should also stay in flower until autumn if properly looked after.
Don't forget ornamental grasses, which can lift a border into the designer league. And don't forget to grow a few spare plants in pots, so you can slot them into gaps that may appear in a scheme.
Find out how to extend the season of colour in your borders, below.
Crocosmia
Formerly known as montbretia, crocosmia are spreading plants featuring clumps of strappy leaves alongside sprays of trumpet flowers in shades of red, yellow and orange. They flower for several months and look great as part of a hot border.
Japanese anemone
Japanese anemones are ideal for the no-fuss gardener. The large, long-lasting flowers in pinks, mauves or white are held on strong, medium-tall, wiry stems that don't need supporting.
Penstemon
Penstemons have short stems of large, bell-shaped flowers in purples, pinks and blues that flower for a long period. They're drought-tolerant and fairly hardy, although it's still advisable to take cuttings as a back-up, which you can then overwinter. Cut back plants in spring, not autumn, as the past year's growth will offer some protection against winter cold.
Stonecrop
Sedums, stonecrop or ice plants (many of which are now known as hylotelephium) grow reliably in hot, dry positions and are much loved by bees. Leave the flowers on the plant after they've died back, as they'll continue to look attractive in winter, but be sure to cut them back near the base before fresh growth begins again in spring.
Phlox paniculata
A classic late-summer border perennial, Phlox paniculata comes in a wide range of colours, and one or two varieties have variegated foliage. They're reliable and trouble-free plants.
Helenium
For a zing of blood-orange, there's little to beat heleniums (sneezeweed), whose daisy-like flowers are loved by bees for their nectar. After flowering, the seedheads are attractive well into autumn.
Hydrangea arborescens
Hydrangea aborescens 'Annabelle' is a real gem, with huge domes of white flowers dotted like plump cushions across a light-green leafy background. It flowers for ages, and the huge heads last in semi-dried form well into autumn.
Ceanothus 'Autumnal Blue'
Ceanothus 'Autumnal Blue' (Californian lilac) is reliable, evergreen, easy to grow and doesn't need pruning. An old favourite, it is covered in billowing, deep-blue flowers from early July to the end of September.
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