Spring Wildflowers Can Be Found Everywhere

Daniel Gill, Merrill, Thomas A.  |  3/4/2006 4:12:52 AM


Get It Growing News For 03/03/06

By Dan Gill
LSU AgCenter Horticulturist

Mention blooming wildflowers and most people think of country meadows and drives along rural roads. Wildflowers, however, are to be found everywhere, including cities and suburbs.

Spring wildflowers delight the eye in the most unexpected places. From cracks in pavement to the banks of drainage ditches and highway medians, these intrepid plants open flowers of yellow, pink, white and purple.

When considering wildflowers, I think it’s important to get the term "weed" out of the way. We use the word weed to refer to plants that are growing where we don’t want them to – causing us some type of problem. It is a human designation that has little to do with the plant itself. A rose bush would be a weed if it was growing in the middle of a corn field. Of course, some of the plants we regard as wildflowers also may appear in lawns and flower beds and, in those situations, they could be considered weeds.

Bright yellow is a common color for spring wildflowers in Louisiana. Perhaps the most showy and noticeable is butterweed (Senecio glabellus). This plant likes poorly drained, wet areas and can be seen along drainage ditches and in low areas. The upright plants grow from a basal rosette of irregularly cut leaves and produce clusters of golden yellow, daisy flowers from late January through April. An annual that grows about 2 feet tall, individual plants are quite noticeable, but when an entire field of these plants comes into bloom the sheet of intense gold they produce is remarkably beautiful. I think they are attractive enough to be used in the landscape.

Another of my favorite yellow wildflowers is the spiny buttercup (Ranunculus muricatus). This one provides another clue you might soon notice – yellow wildflowers often have the word butter in their name. The spiny buttercup also is tolerant of damp locations and even shallow standing water. They produce branched stalks about a foot tall bearing numerous five-petaled flowers. The flowers are brilliant, true yellow without a trace of orange. They show up beautifully against the ground-level, bright green, shiny leaves that are round with ragged edges.

A noticeable departure from the yellow wildflowers is the lovely and delicate pink Mexican primrose (Oenothera speciosa). The color may be delicate, but the plant is tough as nails. You frequently see this perennial plant blooming merrily along the edges of streets and highways in harsh, dry locations. Low-growing, Mexican primrose plants form a carpet about a foot tall where they grow, and the flowers may be dark pink to white. When they are in full bloom from March to May, the foliage is completely covered by the flowers

The Mexican primrose is one native wildflower that has made the transition to the ornamental garden. Seeds and plants are available in many gardening catalogs (often at surprisingly high prices for a plant we tend to take for granted). It is easily grown from seeds and will bloom in spring from a fall sowing.

You would not think a plant that produced small, green flowers would be very noticeable, but curly dock (Rumex crispus) is one of the most prominent of our spring wildflowers. This perennial plant produces large, strap-shaped, wavy leaves and tall, thick spires up to 3 feet tall that are packed with small green flowers. The flowers turn into small, green seed pods that eventually turn an attractive rusty brown. It is related to the sorrel we put in salads, but should not be eaten. Nevertheless, the flower stalks look great in flower arrangements either cut when green or after the seed pods turn brown.

Dandelions (Taraxacum officinale), on the other hand, are a common wildflower, and their foliage is edible and quite nutritious. The low rosettes of coarsely toothed leaves produce individual flower stems that bear showy golden yellow flowers. The seeds are produced in fluffy, round heads, which are irresistible to children (and the occasional adult) who pick them, make a wish and blow until all the seeds fly into the air. The common name is derived from the original French name for this plant, dent de lion, or lion’s tooth, referring to the jagged teeth along the leaf edges.

Finally, look for the white to pale pink flowers of the annual daisy fleabane (Erigeron philadelphicus). The plants grow about 2 feet tall and produce fuzzy leaves about 5 inches long close to the ground. At the top of the plant, daisy flowers about one-half inch wide with bright yellow centers are produced in clusters. Rarely a garden weed, this delightful plant blooms from February until May.

The term "daisy" is used to name many flowers that have a ring of petals surrounding a central, usually yellow, disk. It is derived from the old English term for the sun, day’s eye, because the flower’s shape reminded people of the sun.

Look around as you travel, and you will see these as well as many other native wildflowers. Some people just see weeds, but with a little shift in view point, you can appreciate that these delightful plants make a lovely addition to spring in Louisiana cities, suburbs and rural areas.

Get It Growing is a weekly feature on home lawn and garden topics prepared by experts in the LSU AgCenter. For more information on such topics, contact your parish LSU AgCenter Extension office or visit our Web site at www.lsuagcenter.com. A wide range of publications and a variety of other resources are available.


Contact: Dan Gill at (225) 578-2222 or dgill@agcenter.lsu.edu
Editor: Tom Merrill at (225) 578-2263 or tmerrill@agcenter.lsu.edu

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