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Wild Plants and Fungi that Mark the Start of Autumn

Often when people think about autumnal colours, their first thought is the trees – but we can’t stop looking at the colourful displays of our other wild plants and fungi!

Bracken changing colour during the autumn
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Autumn might be associated with shorter days and crisp walks with the first chill in the air, but for us, it’s all about the amazing changes in nature!

Often when people think about autumnal colours, their first thought is the trees – but we can’t stop looking at the colourful displays of our other wild plants and fungi!

As a new season ushers in with the first autumn fungi  forming, we have rounded up a list of our favourite fungi and wild plants that signal the arrival of autumn.

When is Autumn?

First things first, when does autumn actually start?

We know that the sun is still shining and the air is warm, so why are we talking about autumn? Well meteorologically speaking, September 1 marks the first day of autumn. The meteorological seasons are broken up neatly into three months each, so autumn lasts from September 1, until November 30.

There is another definition of autumn however, which is astronomical, and splits the year using the two solstices, summer and winter, and the two equinoxes spring and autumn. The astronomical autumn begins on September 22, 2024, though it can differ year to year by a couple of days either side.

The First Signs in Nature

Blackberries are synonymous with autumn

One of the most well-known signs that autumn is on the way is the humble Bramble Rubus fruticosus agg and its famous fruit, the blackberry. This prickly shrub can be a problem plant as it spreads quickly and outcompetes others,  however it does provide an important component of scrub and edge habitats, with it’s fruits and flowers feeding many creatures as well as structure for homes. It can be found in multiple locations from woodlands to waste grounds and from verges to hedgerows.

Interestingly, while you might think a blackberry is just a blackberry, there’s actually been more than 400 microspecies identified in Britain! Each different microspecies has a slightly different fruiting time, size, texture and taste.

Read more here.

Autumn Fungi Start Fruiting

A close up of a pretty pink Ballerina Waxcap showcasing the gills on the underside

Autumn means fungi! As the seasons start changing, more fungi start fruiting. While you can find some species all year round, autumn is the prime time for finding flourishing fungi. From the pretty Ballerina Waxcap Porpolomopsis calyptriformis to the fitting colours of the Olive Earthtongue Microglossum olivaceum, once you start looking you’ll spot fungi all over, from woodlands to grasslands and from dunes to your garden.

The start of September also marks the launch of our annual Waxcap Watch survey, to encourage people to get out in the field (and the woods and the meadows) and hunt for some of our most beautiful, colourful and varied fungi – the waxcaps. This citizen science survey is so important because it helps us protect them as well as the fragments of ancient grasslands  that they call home. You don’t need any ID skills, just a smartphone or access to a computer.

Take part in Waxcap Watch here.

Autumn Wildflowers to Watch

We might associate wildflowers with spring, and while it’s true that lots of our beautiful blooms blossom through the spring and summer seasons, there’s many to be found in autumn. Some of the prettiest wildflowers to spot now include:

  • Great Burnet Sanguisorba officinalis from June to September
  • Thyme-leaved Speedwell Veronica serpyllifolia from March to October
  • Field Pansy Viola arvensis from April to October
  • Red Clover Trifolium pratense from May to October
  • White Campion Silene latifolia from May to October
  • Betony Betonica officinalis from June to October
  • Devil’s-bit Scabious Succisa pratensis from June to October
  • Selfheal Prunella vulgaris from June to November
  • Meadow Saffron Colchium autumnale in September

It’s not just flowers that are in bloom that are worth keeping your eyes out for in autumn. September means seeds and many of the UKs wildflowers will be seeding in autumn. And some of them produce seeds as pretty as their petals. Look out for:

  • Travellers Joy
  • Rosebay Willowherb

Wild Plants that Showcase Autumnal Colours

Ivy starting to change colour during the autumn with shades of dark red next to the shiny green leaves

Finally, we mentioned above the changing colours of the falling leaves on the trees, but our wild plants also produce some beautiful autumnal displays.

As we move into autumn, look out for;

  • Ivy Hedera helix, while some Ivy species are evergreen some do change leaf colour throughout the season with warm yellows right through to deep dark reds. Ivy also produces pretty autumn flowers from September to November which are essential to invertebrates at this time of year.
  • Lords and Ladies Arum maculatum showcases stunning autumn colours with the toxic, but beautiful red berries it produces.
  • Bracken Pteridium aquilinum is another one that often changes colour as it dies back, look out for it’s bright yellows and warm earthy browns.
  • Bramble Rubus fruticosus agg, we mentioned this wild plant for its famous berries above, but the leaves of many microspecies of Bramble also turn with the seasons showcasing shades of orange, right through to the dark reds shown in the photo below.

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