Flowering plants in September: these are top combinations

Even in late summer, you can fill your borders with flowering plants: September still boasts many beautiful late bloomers. We'll show you three lovely combinations of beautiful plants. Get inspired!

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The shortening days of late summer evoke all sorts of emotions. The unusual combinations below provide a last straw of romance and color in the garden.

This tall combination of Eupatorium purpureum (purple liverwort) and Miscanthus sinensis 'Red Meister' (Chinese sedge) is an excellent filler for a spot at the back of a border.

Eupatorium purpureum – Purple liverwort – prefers moist soil and plenty of sun. The plant can grow over two meters tall, and its purple flowers attract many butterflies . Divide the liverwort in spring or sow it in autumn . H x W 200 cm x 80 cm

Miscanthus sinensis 'Red Meister' – The red flowers of Miscanthus sinensis 'Red Meister' fade to beige, followed by autumn color . Plant thisornamental grass in an open, sunny spot. Don't cut back the dead stalks until March. H x W 160 cm x 50 cm

This combination of Gaura and Penstemon blooms for weeks! The graceful white Gaura and the dark purple Penstemon give your borders a playful look in late summer.

Gaura lindheimeri 'Whirling Butterflies' – The Gaura lindheimeri 'Whirling Butterflies' may not survive a cold, wet winter, so take cuttings in spring or summer. If the plant survives, dig it up in spring and divide it. H x W 75 cm x 45 cm

Penstemon barbatus 'Blackbird' – Regularly remove wilted flowers from the tortoiseshell Penstemon barbatus 'Blackbird' to prolong its blooming. Protect the plant from frost with mulch in winter. Then cut it back in spring. H x W 70 cm x 40 cm

We usually associate catnip ( Nepeta ) with June, when it creeps around the ankles of roses. So what's it doing here next to flowering seneflower ( Helenium ) ? Good question! The secret is to cut catnip back hard after flowering, so it blooms again a few weeks later. Double the fun!

Helenium 'Moerheim Beauty' – Sneezeweed, also known as Helenium , requires full sun and support. The plant grows quite tall and tends to droop. Divide the plant in spring or autumn. H x W 100 cm x 50 cm

Nepeta 'Six Hills Giant' (catnip) – Catnip can spread quite widely if it's allowed to thrive, so plant it in a border with plenty of sun and space. Prune it back immediately after flowering, and it will bloom again later in the year! H x W 90 cm x 70 cm

Tip!