A spade full of dirt Assorted wild seeds A garden hose A pair of gardening gloves

Wildflower Growing 101

Plant a wildflower meadow with these expert tips

Wildflowers have imparted color and beauty to the Texas landscape since the days when bison roamed the plains and prairie grasses swayed in the wind as far as the eye could see. More recently, Lady Bird Johnson popularized the planting of wildflowers along roadsides, writing a whole new chapter of colorful Texas lore.

It’s easier than you might think to grow your own patch of iconic Texas blooms at home. With a little bit of preparation up front, you can create a wildflower garden that will provide a flourish of spring color with much less maintenance than a lawn or more formal garden. Planting native Texan wildflowers also provides vital nectar and habitat for birds, butterflies, and bees, so you’ll be helping the environment at the same time.

All it takes to get started is a patch of dirt, a bag of seeds, and a healthy dose of patience. Once your garden takes root, you’ll be enjoying its splendor for years to come.

Plant in the Fall for Spring Color

Thinking of planting a wildflower garden? The first thing you need to know is planting generally happens in the fall—even though the flowers themselves won’t appear until spring. Wildflowers are cool-weather plants that germinate when temperatures drop below 70 degrees.

The small plants that develop, called rosettes, are resistant to freezes. Over the winter months, they put down a taproot and use their tiny leaves to store up energy for the spring show. Most Texas gardeners should plant around September or October, although those in tropical South Texas might wait until November or December.

Prepare the Ground

Picking the right spot for a wildflower garden will ensure that seeds have the right conditions in which to thrive. Most wildflower species require at least six hours of sunlight a day, well-drained soil, and a lack of competition from weeds or grasses.

George Cates of Junction-based Native American Seed Co., which specializes in Texas wildflowers and prairie grasses, recommends gardeners begin by “reading the land.” If nothing is growing already, that might suggest a problem with the soil or rainfall. Conversely, too much dense vegetation means seedlings may have trouble getting sunlight.

In many areas, the only preparation required is mowing as short as a lawn mower is capable, followed by a light raking to expose bare patches of soil. If vegetation is too thick, it might be useful to lightly till or remove roots by hand.

Cates also suggests choosing an area with a manageable scale. “If somebody has 5 acres and they’ve never done anything like this, it’s probably not a very good idea to do the entire 5 acres right off the bat,” he says. “Pick something you can manage.”

Consider Your Seed Source

Buying native seeds from reputable sources like Native American Seed or Wildseed Farms, which test extensively for seed quality, goes a long way toward ensuring a garden’s success. The seed companies can also recommend the best species or seed blends for your region.

Already have your seeds? Mix them with a “carrier” such as sand or potting soil to ensure even distribution. Then, scatter the mixture on top of the soil, making sure the seeds make contact with bare earth.

Walking across the patch to press the seeds into the soil will help keep them in the intended area—a perfect task for a group of kids.

Know When to Water

Seeds will germinate once the soil temperature dips below a certain threshold and water is available—typically before a cold front with a good rain. If the weather is unusually dry, the process can be sped up by watering. However, if you decide to water, you need to make sure the area stays moist until germination, which usually requires watering twice a day.

“Once you achieve germination, you’re 90 percent successful,” says John Thomas of Wildseed Farms. To aid the young plants, pull out competing weeds and grasses, being careful not to pluck the wildflowers themselves. Thomas suggests planting 10 to 15 seeds in a pot so you can compare the shape and size of seedlings with those in the ground, or consulting a seed catalog or website for seedling photos.

As winter comes and goes, the main thing to do is “pray for rain,” Thomas says. Nature typically provides the periodic rainfalls needed to sustain plant development. In extremely dry winters, maintenance watering every 15 to 20 days can be useful.

When warmer temperatures finally arrive, the plants will begin to grow rapidly. By March or April, they’ll be ready to announce the arrival of spring as only a Texas wildflower meadow can.

6 Common Wildflower Mistakes to Avoid

  1. Planting in the spring.
    While wildflowers will bloom in the spring, they need cool soil temperatures in order to germinate.
  2. Planting too deep.
    A seed planted at a depth greater than three times its diameter won’t sprout.
  3. Not enough sun.
    Less than six hours of sunlight a day will produce “leggy” plants with long, skinny stems and few blooms.
  4. Overtilling.
    Tilling too deep can bring up dormant weed seeds. Often it’s sufficient to lightly rake the area.
  5. Planting in low-lying areas.
    Wet places are typically weedy, and wildflowers prefer well-drained soil.
  6. Overwatering.
    Too much water, especially after germination, can prevent oxygen from reaching the plant’s roots.
Photo: Sean Fitzgerald

Pollinator Paradise

One of the many benefits of growing wildflowers is to provide nectar for birds, butterflies, and bees. Many are host plants for caterpillars as well. Some of the best species for attracting pollinators include Indian blanket, purple coneflower, golden eye daisy, phlox, horsemint, and milkweed (especially for monarchs).

Assist Seed Dispersal

Most familiar Texas wildflower species, such as bluebonnets and Indian paintbrush, are annuals. This means that the entire plant dies in the summer, during which time its seeds are ready to be dispersed for the coming year.

Birds and other creatures do much of the work, but a little human help is also beneficial. Once the flowers are completely dry and brittle—typically after the Fourth of July—use a weed wacker or lawn mower (with the mulch feature on) to cut the patch to a height of four to six inches. This assists seed dispersal while also reducing competition from unwanted weeds and grasses.

From there, the cycle begins all over again with minimal effort from you. “The area will provide you with free seeds into perpetuity,” Native American Seed’s Cates says. “All you have to do is get the process started.”

Know Thy Region

Wildflowers are abundant everywhere in Texas, from the Piney Woods to the Hill Country to the Panhandle. Given how big Texas is, though, it isn’t surprising that some species do better than others in different corners of the state.

“There are definitely good varieties for each region,” says Jennifer Wilson, owner of Wild August Nursery and Flower Farm in Harlingen, adding that a little research ahead of time can lead to better results. For example, Wilson says that winecups and larkspur thrive in tropical South Texas, while bluebonnets prefer a colder winter and would require more thorough care and reseeding to ensure the right conditions for springtime blooms.

The best time to plant can also differ by region. In South Texas, planting is typically done a month or two later than in the rest of the state—and the flowers begin to bloom a month or more earlier. The USDA produces useful maps at planthardiness.ars.usda.gov that illustrate when to plant wildflowers across the state.

Ask the experts

Texas isn’t just a great place to grow wildflowers—it’s also a great place to find help doing it. Local nurseries are a good place to start, as are organizations and seed companies devoted to Texas wildflowers such as Wildseed Farms in Fredericksburg (800-848-0078; wildseedfarms.com) and Native American Seed in Junction (800-728-4043; seedsource.com).

Bluebonnet Bonanza

There are few things more iconically Texan than a field (or a garden) full of bluebonnets—and the good news is they’re relatively easy to grow with a few basic tips.

• Buy scarified seed from a reputable seed supplier. This process breaks down the seed coat, mimicking the natural process in which seeds pass through an animal’s digestive tract.

• When planting near the house or an existing flower bed, put out snail and slug bait, since bluebonnet seedlings are among their favorite treats.

• As with most wildflowers, be sure to plant in full sun in well-drained soil.


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The July 2020 cover of Texas Highways Magazine, Secret Rivers


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