A lot of our aquatics and pond side plants bloom at this time of year and one of the prettiest is meadow sweet (Spirea alba.) This plant likes moist ground and I have found it near water more often than not but lately I’ve been seeing it in drier spots as well. Its flowers have long stamens that always make them look kind of fuzzy. Some people confuse this plant, which is a shrub, with steeplebush (Spiraea tomentosa), which is also a shrub, but steeplebush has pink flowers and the undersides of its leaves are silvery-white, while the undersides of meadowsweet leaves are green.
Aquatic common arrowhead (Sagittaria latifolia) grows just off shore and is also called broadleaf arrowhead and duck potato, because ducks eat its small, potato like roots and seeds. All arrowheads that I’ve seen always have three pure white petals, but I’ve heard that some can be tinged with pink. Flowers are about an inch across. In late fall or early spring, disturbing the mud in which they grow will cause arrowhead’s small tuberous roots to float to the surface. They are said to have the texture of potatoes but taste more like chestnuts. They were an important food for Native Americans, who sliced the roots thinly and dried them and then ground them into a powder that was used much like flour. Ducks, beavers, muskrats and other birds and animals eat the seeds, roots, and leaves.
We have many different varieties of St. Johnswort and the one above I first thought was dwarf St. Johnswort (Hypericum mutilum,) but the flowers were too big. Dwarf St. Johnswort flowers are about the size of a pencil eraser and these are nearly the size of common St. Johnswort. So then I thought it might be pale St. Johnswort (Hypericum ellipticum) but the flowers aren’t pale yellow, they’re bright lemon yellow. Note how big the leaves are; much bigger than common St. Johnswort.
Dwarf St. Johnswort, pale St. Johnswort, and this St. Johnswort all grow in the wet mud at pond edges.
I’ve had trouble sorting it out with plant guides but if you know I’d welcome your thoughts. It’s a very pretty flower and obviously a St. Johnswort.
Pickerel weed (Pontederia cordata) is another aquatic that has small purple, tubular flowers on spikey flower heads that produce a fruit with a single seed. Ducks and muskrats love the seeds and deer, geese and muskrats eat the leaves. If you see pickerel weed you can almost always expect the water it grows in to be relatively shallow and placid, though I’ve heard that plants occasionally grow in water that’s 6 feet deep. It’s a plant that often forms large colonies.
Native Americans washed and boiled young pickerel weed’s leaves and shoots and used them as pot herbs. They also ground the seeds into grain. The plant gets its name from the pickerel fish, which is thought to hide among its underwater stems.
Herb Robert (Geranium robertianum) is a geranium that grows on the banks of the Ashuelot River in Surry, which is north of Keene. My question, once I had identified it, was: Robert who? As it turns out Robert was a French monk who lived in 1000 AD and cured many people’s diseases using this plant, and that leads to another common name: Saint Robert’s Herb. If you crush its leaves they are said to smell like burning tires, so yet another common name is stinky Bob.
This is the first time white avens (Geum canadense) has appeared here, mostly because I’ve always been too late to get a photo of it. I know of only one place where it grows and thimbleweed also grows there. With its bigger, showier flowers thimbleweed has always stolen the show and I’ve forgotten about white avens. Each flowers is about a half inch across with 5 white petals and many anthers. The anthers start out white and then turn brown and you usually find both on each flower. Each flower becomes a seed head with hooked seeds that will stick to hair or clothing.
Tall thimbleweed’s (Anemone virginiana) white flower sepals don’t seem to last very long. Every time I see them they have either turned green or are in the process of doing so, and you can just see a hint of green on two or three of these. That means if you see them in bloom that’s the time to get a photo. There are usually plenty of yellowish stamens surrounding a center head full of pistils, even after the flowers turn green. These flowers are close to the diameter of a quarter; about an inch.
Thimble weed’s seed head continues growing after the sepals have fallen off and it becomes thimble shaped, which is where the common name comes from. Though the plant is poisonous Native Americans used the root to ease whooping cough and the smoke from the seeds was used to treat breathing difficulties.
Last year I found a small colony of long leaf speedwell (Veronica longifolia.) I’m happy to say it looks bigger this year. I’ve never seen it growing in the wild before then. It’s a pretty plant that is native to Europe and China and grows on steppes, grassy mountain slopes, meadows at forest edges and birch forests. Here in the U.S. it is commonly found in gardens but it has obviously escaped. It certainly doesn’t seem to be aggressive or invasive. I love its showy blue flower spikes.
Each tiny long leaf speedwell blossom is purple–blue or occasionally white, about a quarter inch across and 4 lobed with quite a long tube. Each has 2 stamens and a single pistil.
I like both single and double roses. This beautiful example of a single rose had enough scent for both.
Perennial pea (Lathyrus latifolius) is a beautiful little flower that I’ve never seen before. Originally from Europe it has been grown in gardens here in the U.S. since the 1700s. Of course it has escaped gardens and now can be found along roadsides and in waste areas. I found these plants growing along a small stream and I was surprised that I had never seen them before. It is a vining plant that I’ve read can reach 9 feet, but these weren’t more than a foot tall, so maybe they’re young plants. It is also called wild sweet pea, everlasting pea, and hardy sweet pea. The pods and seeds are toxic and shouldn’t be eaten.
Crown vetch (Securigera varia) has just come into bloom and I’m happy to see it because I think it’s a beautiful flower. It’s one of those that seem to glow with their own inner light and I enjoy just looking at it for a time. Crown vetch has seed pods look that like axe heads and English botanist John Gerard called the plant axewort and axeseed in 1633. It is thought that its seeds somehow ended up in other imported plant material because the plant was found in New York in 1869. By 1872 it had become naturalized in New York and now it is in every state in the country except Alaska.
Humble little narrow-leaf cow wheat (Melampyrum lineare) seems like a shy little thing but it is actually a thief that steals nutrients from surrounding plants. A plant that can photosynthesize and create its own food but is still a parasite on surrounding plants is known as a hemiparasite. Its long white, tubular flowers tipped with yellow-green are very small, and usually form in pairs where the leaves meet the stem (axils). I find this plant growing in old, undisturbed forests. It is quite common, but so small that few seem to notice it. The tiny flowers bloom at about shoe top height.
I like a challenge and each year at this time my greatest challenge comes from the tiny flowers of enchanter’s nightshade (Circaea lutetiana canadensis.) This woodland plant is a shade lover and I notice it along trails only when it blooms in July. It gets its scientific name Circaea from Circe, an enchantress in Homer’s Odyssey with a fondness for turning men into swine. There are similar plants native to Europe and Asia.
Each tiny 1/8 inch wide enchanter’s nightshade flower consists of 2 white petals that are split deeply enough to look like 4, 2 green sepals, 2 stamens, and a tiny central style. I’m guessing that I must have tried 50 times or more for this one photo and it still isn’t as good as I hoped it would be. It should be sharper.
At the base of each flower there is a 2 celled ovary that is green and covered with stiff hooked hairs, and this becomes the plant’s bur like seed pod, which sticks to just about anything. When a plant’s seed pods have evolved to be spread about by sticking to the feathers and fur of birds and animals the process is called epizoochory. The burs on burdock plants are probably the best known examples of epizoochory.
When our native yellow loosestrifes have all bloomed then it’s time for purple loosestrife (Lythrum salicaria) to start in and despite the belief that they need wet places to grow in I found these plants at the edge of a dry cornfield. Purple loosestrife is an invasive that came over from Europe in the ballast of a cargo ship in the 1800s. The beach sand ballast, loaded with purple loosestrife seeds, was originally dumped on Long Island, New York. The seeds grew, the plant spread and now it covers most of Canada and all but 5 of the lower Untied States. Purple loosestrife chokes out native plants and forms monocultures. These colonies can be so large that finding a single plant is becoming very difficult.
Though it is much hated you can’t deny the beauty of purple loosestrife. I’ve worked for nurseries in the past and have had people come in wanting to buy “that beautiful purple flower that grows in wet areas.” In New Hampshire I could be heavily fined for selling or planting it.
Swamp milkweed (Asclepias incarnata) is one of those flowers that take me out of myself. In my opinion it’s the most beautiful of all the milkweeds and is one of those flowers that I most look forward to seeing each summer. How could you not look forward to seeing something so beautiful? I could look at it all day. Swamp milkweed is somewhat rare here. I know of only two places it grows.
Maybe, beauty, true beauty, is so overwhelming it goes straight to our hearts. Maybe it makes us feel emotions that are locked away inside. ~James Patterson
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Years ago I worked as a gardener for a lady who had an older widower as a neighbor. One day the widower asked me to stop by his house for a minute when I was through. I stopped in to see him as he asked and he told me if I could identify the hedge in his front yard he would hire me to be his gardener right then and there. To make a long story short I told him that his hedge was Purple flowering raspberry and I ended up working for him until he died. Purple flowering raspberry (Rubus odoratus) is in the rose family and might be mistaken for a rose if it wasn’t for its large, maple-like leaves. The native shrub will reach 3-6 feet tall and twice as wide under the right conditions. I found the one pictured growing near a culvert on the side of the road. I don’t know who the visitor was.
Canada lilies (Lilium canadense) have purple spotted throats that aren’t always seen because the flowers almost always face downwards. This plant is unusual because it prefers wet places. Most lilies, and in fact most plants that grow from bulbs, do not like soil that stays wet. They prefer sandy, well-drained soil.
New Hampshire Garden Solutions 