It’s not all over in September. Indeed, many people choose this month as their favourite when it comes to drama in the garden. If your outdoor space is looking past its best, this is an opportunity to add to your plant palette. After all, wise gardeners plant today if they believe in tomorrow.
Looking good in September
Top marks go to ornamental grasses as they are reaching their peak in terms of beauty. There’s a grass to suit just about every type of space and the effect at this time of year is stunning. Swathes of gently swaying grasses lighten the soul. Some measure just a few centimetres high whilst others tower to three metres and more. The seed heads can be pink, purple, cream and white. A few grasses look like lambs’ tails and several resemble giant plumes on a circus horse’s head.
For something completely reliable in free-draining soil and a sunny position, try Anemanthele lessoniana, or pheasant’s tail grass. It’s a semi-evergreen mound of golden and green loveliness that is steaked with red at this time of year. Use some of the larger grasses, including Miscanthus, as specimen plants amongst your borders. They will add froth and glory that improves throughout the year. When most plants are fading, these grasses will be stealing the show with their clump-forming habit and spectacular autumn flowers.
Contrast and drama
Pay attention to foliage if you want to create some astonishing contrast. Acers, in particular, are now working their way to a crescendo. Their colour takes on a vibrancy that will improve over the next few weeks as the leaves turn gradually crimson, purple, bronze and brilliant yellow, according to variety.
Make the most of ground cover plants such as heuchera, sometimes known as coral bells. There are red, yellow, lime green and orange-leafed varieties. Plant them in groups, next to others with contrasting foliage, to brighten up the autumn under-storey.
The same applies to heathers, with late-summer and autumn flowers in pinks, purples and white. Erica varieties like free-draining soil in light shade and they can look stunning when planted amongst rocks and boulders, or towards the front of borders. Calluna, or ling heathers, like full sun in acid soil, so there is a heather suitable for almost any location except full shade or bog.
More shrubs and perennials for September
The sunny flowers of rudbeckia ‘Goldsturm’ create a splash of yellow during September. This award-winning beauty ensures that sunshine will stay in your garden right through to October and beyond. It works well with ornamental grasses and other daisy types including heleniums. The crimson red flower of helenium ‘Moerheim Beauty’ is one of the best.
Asters, with their astonishing display of daisy-like purple, lilac and pink blooms, are often covered in bees and butterflies in September. They set the garden alight with vibrant colour just when you think the show is almost over. Asters are known as a symbol of love and wisdom – let’s all have some of these!
