The prettiest pink flowers in the Lower Don

A patch of Balfour’s touch-me-not (Impatiens balfourii) growing wild by the banks of the Don River last week. © BCP 2010

I found these lovely, delicate flowers growing in deep shade not far from the riverbank in the Lower Don Valley on my stroll there last week. There was a very small patch of them, growing only a few feet away from a dense thicket of orange jewelweed (Impatiens capensis). I had never seen anything like them before. Excellent — a new mystery for me to solve!

When I went searching in my wildflower identification book, I could find nothing that looked like these plants. But I thought their flowers looked suspiciously like the jewelweed, so I continued my investigation by seeing if I could find any near relatives to Impatiens capensis (also known as spotted touch-me-not) that could be contenders.

Jewelweed (Impatiens capensis) growing near the pink flowers in the Don. © BCP 2010

(For comparison, I have included a photo of the jewelweed patch (at left) that was growing alongside the unknown flowers.

I began roaming through online photos of other Impatiens species, until I found one that looks remarkably like my mystery specimen. I now think that the photo above is of Impatiens balfourii, commonly known as Balfour’s touch-me-not, poor man’s orchid and Kashmir balsam.

The latter common name reflects this plant’s origins. Here’s wiki on the subject: “It is native to the Himalayas, particularlyKashmir and surrounding areas, where it grows in mountains of 5,000 to 6,000 feet.[1] It was brought back to England as a garden plant, and then it became popular in the San Francisco Bay Areaand other parts of the United States.[1] It can now be found there growing wild as a garden escapee along the Pacific coast and in Wisconsin,[2] where it is well adapted to cool, wet sites.”

It seems to me that my mystery plant is a bit of Balfour’s touch-me-not that escaped from cultivation in someone’s garden.

I’d love to hear if anyone else has seen these pink flowers growing in the wild around Toronto. And any ideas regarding identification most appreciated.

© BCP 2010

ondine - July 29, 2015 - 8:55 pm

Thanks for identifying these wonderfully intricate wildflowers! I saw them by the Credit River in Mississauga and was rather enamoured :)

Brian - October 17, 2018 - 4:39 pm

I have 5 patches in my yard, whenever you touch the seeds it erupts and explodes. My whole neighbourhood, riverdale, is full of them. Sadly the colony in my yard is virtually dissapeared.

Richard - August 20, 2022 - 2:53 pm

To my eye your photo looks very much like himalayan balsamic impatiens (impatiens glandulifera).
Here in Ottawa, it grows wild beside the Pinecrest Creek bikepath in long and dense swathes that bloom profusely from mid summer till frost and range in height from four feet to stands that must be 7′ tall if not higher. The blooms vary in colour from off-white to rather vivid magenta, and I have seen blooms there the colour of those in your photo. Unfortunately it is deemed invasive, and every few years there is some (so far unsuccessful) conservation attempt to remove it. I will miss it if they ever do succeed, as it is so striking for such a long time.
I should note that we also grow impatiens balfourii in pots in our backyard. It is smaller than himalayan balsam (growing between 30 and 48″ tall) with somewhat smaller flowers.
Whereas the himalayan balsam flowers I’ve seen are generally of a single colour that either fades to a lighter throat or changes markedly to a pure white throat, our Balfour flowers have a pure white upright sepal above two rather vivid pink lower petals, that give a two-tone effect rather like miniature lady slippers when viewed head on.
Balfour balsam is also the only flower in our very shady urban backyard that regularly attracts hummingbirds along with the bees.

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