Henry Homeyer: Seven wildflowers you can grow

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Recently I was asked about plants for shady places. Wildflowers, I said, are wonderful in the woods or at the edge of the woods. Most show up early, before the leaves are on the trees. They are the perfect antidote to a long winter and rainy spring. They bring color and brightness just when we need it most.

Among the early wildflowers, bloodroot (Sanguinaria canadensis) is one of my favorites, and it is early. First it sends up a leaf rolled up like a cigar. Then the leaf opens to display a brilliantly white flower that is an inch or two inches across. The flowers stay closed on cool, cloudy days but open up for business when the sun comes out — and the pollinators.

If you have bloodroot in your woods and want some in your shade garden, the rhizomes (root structures) can be dug up and moved easily. But wear gloves! The roots produce a red sap which has been used for dyes, but it is highly toxic.

According to an article by Susan Mahr of the University of Wisconsin Master Gardener program, bloodroot sap is "an escharotic, a substance that kills tissue, and external application is a skin irritant causing severe burning pain and disfigurement." She says to move bloodroot in mid-summer as the plants begin to go dormant, but before the leaves disappear.

A friend gave me a small clump of double bloodroot about 15 years ago, and it has spread nicely. It is a tetraploid, meaning it has double the number of chromosomes, and is sterile, making it rare and expensive. I have divided mine and now have it in several places. Each blossom looks like a tiny white peony.

Another one of my favorite wildflowers is Jack-in-the-pulpit (Arisaema triphyllum). Some are fully up now in my woods, while others are just poking up their noses. The flower is not very flower-like. There is a purple phallic-looking projection that looks up from the center of the plant that is sheltered by an overhanging flap of leaf-like growth. The two large leaves are distinct on tall stems. It does well in rich soil and dappled shade.

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I've had great luck planting seeds of Jack-in-the-pulpit in mid-summer. They are bright red when ripe. If you want to harvest some, wear gloves as the seeds of Jack-in-the-pulpit, like bloodroot, contain toxic chemicals. The seeds need to be cleaned by mashing the pulp and washing it away before drying and planting. If you do so, you should see germination the following spring (but it will be 2 to 3 years before you see flowers).

Both bloodroot and Jack-in-the-pulpit seeds produce eliasomes. These are organs that are attractive to ants, who drag the seeds — complete with the fleshy white eliasomes — back to their nests. The ants eat the eliasomes, then dump the seeds in an ant trash pile, where they can germinate. That way the seeds can travel some distance. Clever!

Trout lily or dog tooth violets (Erythronium americanum) were common in the spring woods where I grew up in Connecticut. Each plant has one or two small canoe-shaped leaves that are spotted, like the belly of a trout. Younger plants have just one leaf and do not bloom. Mature leaves bloom now, or even earlier, with yellow lily-like blossoms with the petals and sepals bent backwards. The flowers stems grow about 6 inches tall.

Three years ago I bought bulbs for a western form of trout lily that is much more dramatic than our native one. I neglected to label the bulbs other than to say they were Erythronium. Studying examples on the web I see Erythronium grandiflorum as one possibility, or a hybrid called "Pagoda." My blossoms are on 12 inch stems, and each plant produces multiple blossoms. Definitely a fine addition to my woodland garden.

Trillium is a genus (botanical group) that includes several nice, easy-to-grow wildflowers. The red or purple trillium (Trillium erectum) is also known as wake-robin or stinking Benjamin for its earthy smell. It does well in dappled shade and rich, dark soil. I also grow a white trillium (Trillium grandiflorum) that grows alongside it. The white one turns pink later in the spring. Several other species exist, and are available from nurseries and specialty nurseries on-line.

One of the best sources for all of these wild flowers is from The Garden in the Woods in Framingham, Massachusetts. The Garden in the Woods is a garden, education center and plant nursery run by The Native Plant Trust, formerly called the New England Wild Flower Society. They sell potted perennial wildflowers, native trees and shrubs, and much more. Now is a great time to visit them to see what you might grow in your own woods.

Read Henry's twice-weekly blogs at dailyuv.com/henryhomeyer. You may email him at henry.homeyer@comcast.net.


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