To help you choose plants for your garden, here’s a selection of some of my September favourites to brighten up a sunny border. You can either plant them together in combination or mix them in with your existing plants.
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Most of my September plant selection do have longer flowering periods than just September, so may not last the entire month, depending on where you live.
This can often be fairly short-lived, particularly in the UK because it’s borderline hardy, and doesn’t do well in cold, frosty conditions. Having said that, if you can get it grow, it’s well worth it as it will often flower for several months, from July to October. It’s perfect for the middle to back of a border as it can get from anywhere from 4-6ft high. It does need something in front of it as it can get floppy. It works wonderfully with grasses as the soft, airy flowers float above the grasses.
Verbena does best in full-sun with a moist but well-drained soil.
Phygelius New Sensation
Also known as the Cape Fuchsia, Phygelius is semi-evergreen and will do well in both full sun and some shade. It flowers most of the summer from July through to September. It grows anywhere from 2-3ft tall, sometimes taller if conditions are right. It prefers a a moist but well-drained soil, so is the perfect accompaniment to the Verbena.
Caryopteris Kew Blue
Sometimes known as the Blue Spirea. Kew Blue is a particularly dark blue form of Caryopteris. It’s slightly more compact than the usual version, only reaching about 3ft hight. Although it isn’t evergreen, it still deserves a place in the garden. It’s another one that needs full sun and a well-drained soil and doesn’t do well in excessively cold conditions. It will flower from August through to September and when combined with scarlet pink, looks stunning.
Echinacea purpurea ‘Fatal Attraction’
This Echinacea or coneflower as it is often known is a particularly deep shade of pink and works well with the other plants in this month’s selection. It grows to just over 2ft high and is a great plant for the front to middle of a border. It will flower from June to September, in a good year. It likes full-sun but will take some shade. A fertile, well-drained soil will give best results. Echinacea do die down in the winter months, so you’ll need to plant it near evergreens, like the next one on our list.
I love Agapanthus, they have gorgeous blue flowers which last for months, have interesting strap shape leaves and are mostly evergreen. Umbellatus is one of the taller varieties, it reaches about 4ft high and loves to be in full-sun with a moist but well-drained soil for best results. They won’t do well in really frosty locations, but some winter protection will often see them through cold snaps.
What are your favourite planting suggestions for September?
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