Early September Flowers
September 7, 2019 by New Hampshire Garden Solutions

We’re almost at that point of peak flower production now as this view across a stream shows. Goldenrod, tall asters, Joe Pye weed, boneset, and purple loosestrife can all be seen here. We’re still waiting on New England asters but it shouldn’t be long.

The funny little plants called false dandelion (Hypochaeris radicata) have appeared in force and I’m seeing them everywhere. This plant gets its name from its resemblance to the dandelion, but it would be hard to mistake one for the other. The flowers are about half the size of a true dandelion and they bob around on long, wiry stems. At a glance you might think you were seeing a hawkweed flower when you look at a false dandelion flower because they’re close to the same size. One look at the leaves however, will show you that you’re seeing something entirely different because they resemble those of the dandelion more than hawkweed foliage. Hawkweed and false dandelion also bloom at different times, which helps when trying to identify them.

False dandelion leaves look like miniature versions of dandelion leaves and are nowhere near as wide or as long.

White wood asters (Aster divaricatus) lined a woodland path and made a pretty walk even prettier.

I always find silverrod in dry, gravelly places at the edge of the woods near the end of August. It’s hard to get a photo of because it’s usually surrounded by other plants and rarely grows alone. It grows about knee high and isn’t seen anywhere near as often as the yellow goldenrods.

I think almost everyone knows what goldenrod looks like but not everyone has seen silverrod. Silverrod (Solidago bicolor) is in the goldenrod family and is also called white goldenrod. It is the only native white flowered goldenrod found in the northeast. The small flowers spiral up the stem and open from the top down.

Tansy (Tanacetum vulgare) is a European native that has been cultivated for centuries, even grown in the herb gardens of Charlemagne. It was brought from England by early colonists and by 1785 it had naturalized in New England. The flat flower heads are made up of many button like disc flowers; almost like a daisy without the white ray flowers that we call petals. Tansy is a natural insect repellent and has historically been used as such. Dried tansy added to the straw in mattresses was said to keep bedbugs away. I rarely see it in nature but it can still be occasionally found growing along roadsides. It’s a good plant to use in vegetable gardens for pest control. The ancient Greeks grew tansy for medicinal use but modern science has found it to be toxic.

White rattlesnake root (Prenanthes alba) can be tough to identify because even plants growing side by side can have differently shaped leaves, but once they bloom identification becomes much easier. I can’t think of another plant that has small, drooping white, lily like blossoms at this time of year. The half inch flowers appear in clusters at the end of branched stems that can reach 5 or 6 feet in some cases, and have forked stamens that are longer than the petals. The plant gets its common name from the Native American belief that it could cure rattlesnake bites.

I saw a hosta recently in a park that was just another plain green unremarkable plant, but the reason I’m showing it here is because of its huge white flowers.

This hosta had the biggest flowers I’ve ever seen; at least three times the size of a “normal” flower.

I decided to visit Meetinghouse Pond in Marlborough one day to see what was growing there this year. Last year I found some really interesting plants there.

One of the first things I noticed at the pond was a big bull thistle (Cirsium vulgare,) all in bloom. I don’t usually see them bloom like this. They usually have two or three flowers and many closed buds waiting in the wings. You can see a bee loving the flower over in the upper left quadrant.

Asters grew in standing water at the shoreline. For that reason and the fact that the small, sword shaped leaves had no stems (petioles) I think they were bog asters (Oclemena nemoralis.) Each unbranched stem grew to about a foot tall and had a single, light purple flower at its tip.

No matter what their name the flowers were beautiful. Because the plant usually grows in thickets in wet, swampy areas many people never see them.

This pond is the only place I know of to find native sneezeweed (Helenium autumnale.) I’ve never seen it anywhere else in the wild and I don’t know how it got here, but it was worth the drive to see it.

Sneezeweed’s common name comes from its dried leaves being used as snuff. It was inhaled to cause sneezing because sneezing was thought to rid the body of evil spirits and both men and women used it. The Helenium part of the scientific name comes from Helen of Troy. One legend regarding the plant says that it grew wherever her tears fell.

Sneezeweed has curious winged stems and this is a good way to identify them. It is a poisonous plant and no part of it should be eaten. It also contains compounds that have been shown effective in the treatment of tumors. The Native American Cherokee tribe used the plant medicinally to induce sneezing and as an aid in childbirth.

Japanese knotweed (Fallopia japonica) still blooms here and there but it’s pretty well finished for this year. Its final act will be to drop millions of seeds before it dies back completely until spring. This plant was brought to Europe from Japan sometime around 1829. It was taken to Holland and grown in nurseries that sold it as an ornamental. From there it found its way across the Atlantic where we still do battle with it today. It is one of the most invasive plants known and the only plant I have ever seen overtake it is purple loosestrife, which is also an invasive weed. Japanese knotweed is also a tough plant that is very hard to eradicate once it has become established.

Pink turtleheads (Chelone lyonii) still bloomed in a local park and though the flowers seemed fine the plants themselves looked terrible; all black and crisp leaves. My plants haven’t even showed color on the buds yet, but I hope they do better than these. I don’t know the origin of this plant and have never known if it was a native or a cultivar but it does very well in my yard and asks for nothing. Pink turtleheads are native to the southeastern U.S. and don’t seem to mind dryness in spite of naturally growing near water.

I always like to see if I can get a shot looking down the throat of the turtle. It’s very hairy in there but it doesn’t bother bumblebees. They were swarming over these plants on this day but I didn’t see any honeybees on these or any other flowers in the park.

This little plant was hard to identify. I think I’ve tried for about three weeks off and on but I finally settled on catchfly (Silene armeria,) which is originally from Europe and which is also called sweet William catchfly. It is said to be an old fashioned garden plant in Europe. I’ve never seen it here but it is supposed to be a “casual weed” in New Hampshire. The name catchfly comes from the sticky sap it produces along its stem. Small insects are said to get caught in it but I didn’t see any on this single plant. Its leaves and stems were a smooth blue grayish color and along with the small pinkish purple flowers they made for a very pretty little plant that I’m hoping to see more of.
Just imagine becoming the way you used to be as a very young child, before you understood the meaning of any word, before opinions took over your mind. The real you is loving, joyful, and free. The real you is just like a flower, just like the wind, just like the ocean, just like the sun. ~Miguel Angel Ruiz
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Posted in Nature, Scenery / Landscapes, Wildflowers | Tagged Ashuelot River, Bog Asters, Bull Thistle, Canon EOS Rebel T6, Catchfly, False Dandelion, Goldenrod, Hosta, Japanese Knotweed, Joe Pye Weed, Keene, Marlborough New Hampshire, Meetinghouse Pond, Native Plants, Nature, New Hampshire, NH, Olympus Stylus TG-870, Pink Turtlehead, Purple Loosestrife, Silverrod, Sneezeweed, Summer Wildflowers, Swanzey New Hampshire, Tall Aster, Tall Rattlesnake Root, Tansy, White Wood Aster | 28 Comments
I didn’t realize Hypochaeris radicata grew back east, too. The common name out here for that plant is coast dandelion.
Beautiful collection of flowers, Allen.
Thank you Lavinia. Yes, I see it everywhere here, especially in lawns at this time of year.
The White Rattlesnake Root flowers are gorgeous! I had never seen them before.
Thanks Montucky! They’re quite small. Probably about the diameter of an aspirin, but there might be 50 flowers on a single plant. That makes the easy to sprot.
Funny that you never see cultivars of Sneezeweed in the original yellow, it’s always red or orange or a mix of the two.
Yes, even years ago when I worked at a nursery all we sold were orange flowered ones.
Nice variety of early autumn flowers! White rattlesnake root is an interesting plant. Reading your post is like a bonus walk! Thanks again.
You’re welcome Chris, glad you liked it!
Beautiful shots, Allen. The white rattlesnake root flowers are so elegant! I am fascinated by their long forked stamens. Nature is constantly surprising.
Thank you Clare. They’re hard flowers to get a good shot of so I’m glad you liked them!
We had lots of sneezeweed in central Texas. Thanks for explaining how it got its name. Also, the fall purple asters there are gorgeous.
On Sat, Sep 7, 2019, 4:09 AM New Hampshire Garden Solutions New Hampshire Garden Solutions posted: ” We’re almost at that point of > peak flower production now as this view across a stream shows. Goldenrod, > tall asters, Joe Pye weed, boneset, and purple loosestrife can all be seen > here. We’re still waiting on New England asters but it shouldn’t be long. ” >
You’re welcome Ron. Our asters are just getting started. Pretty soon they’ll be everywhere you look!
That hosta might be Royal Standard, which I grow in my yard. The fragrance is knock-your-socks-off. It’s a hosta which needs plenty of sun in order to bloom and is a spreader, not a clumper. That makes it easy to share.
The Sweet William catchfly doesn’t catch any insects where I live. And does it ever self-sow! It’s now an obnoxious weed here.
Thank you Elaine, I’ll keep an eye on that hosta!
I found the catchfly as a single plant growing in gravel at the edge of the woods.
I love the tansy flowers and the white rattlesnake root has a very elegant flower.
Your photographs are of such a high standard that we probably take them for granted but I will take this opportunity to say how much I enjoy and admire the them.
Thanks very much. It took at least five tries to get a useable photo of each of those flowers so I appreciate your kind words. I like a challenge, and they were.
Lovely early fall flowers, Allen. My imagination went into overtime thinking about the native American Cherokees using sneezeweed as a childbirth aid. I’ll leave you to ponder that, lol.
Thank you Ginny. I don’t know if the plant eased the pain or if sneezing during childbirth makes you push harder!
Either way I think I’m glad we’ve moved beyond that.
New to your blog and delighted to have found it.
Thank you Barb, delighted to have you as a reader!
The flowers on some of my hostas were huge this year, too. Bigger than usual, it seemed. I wonder if it was because of all the rain we got in June.
That could be, Laurie. We sure did have a lot of rain!
I was happy to see your post about sneezeweed. I often walk at Franklin Falls Dam here in Franklin, NH. There are large areas where sneezeweed grows and it is quite beautiful. I would love to send you some photos if you’d like.
Thank you Jennifer, that’s interesting. The sneezeweed I saw was alo growing on an earthen dam at the pond. I wonder if their root systems are extensive enough to hold soil in place.
I’d like to see your photos! WordPress makes it so you can’t send them though, unless you cantact me through the “contact me” page. Then you’ll be able to send them through email.
Such a joy to read these posts.
I wonder if that hosta is the kind I have in my garden. Huge 5 inch trumpets and very fragrant. Check the fragrance next time. I have never known a hosta so fragrant.
Thank you Cynthia. I have a fragrant hosta too, but it has variegated leaves.
If this one is still blooming I’ll have to check its fragrance. I didn’t even think to sniff it!
I particularly enjoyed your pictures of the pink turtlehead, such a beautiful colour and interesting shape. I see your comment on my brother’s blog so hope it will appear on mine when I next post.
Thank you Susan, turtleheads are an unusual flower but they’re pretty.
I don’t know why comments stop working on some blogs but it seems to happen occasionally.