Outdoors
Grazing Oklahoma: Musk Thistle
By Mike Proctor
Characteristics: Musk thistle is an introduced forb with abundant spines and large pink flowers. It is a biennial, which means it lives for two years. Mature plants can reach more than six feet in height. The flowers are quite attractive but are covered by spines similar to those on the rest of the plant. The seeds may be the only part of the plant that doesn’t have spines.
Musk thistle germinates in the fall, forming flattened “rosettes” (think dandelions) that over-winter and continue to grow in diameter until the second spring. At this time, they “bolt” rapidly to several feet in height and begin to produce as many as 100 flowers, each of which may contain more than 1,000 seeds.
Area of Importance: Musk thistle is classified as a noxious weed by the Oklahoma legislature, having been introduced from the Mediterranean. Opinions vary as to when and how it arrived in the United States. Some sources indicate it was in the United States as early as 1842, but it wasn’t really noticed until the early 1940s. It has been documented to occur in nearly every Oklahoma county.
Attributes: In Oklahoma, this species has formed colonies with more than 20,000 plants per acre. If you consider that a plant could easily be head high and three or four feet in diameter, there’s not much room left for things like cows, or grass even, in a pasture with a population of thistles like that. Control of musk thistle focuses mainly on minimizing seed production. Since they produce seed abundantly and the seed can remain viable in the soil for several years, it only takes a couple seasons to create a serious problem. Oklahoma’s Noxious Weed Law defines a “severe infestation” as 10 plants per acre.
Musk thistle is most likely to become established in overgrazed pastures and other disturbed areas like roadsides. Arid conditions, dense shade from trees, and competition with native grasses and forbs reduce the likelihood of establishment. Proper grazing management practices can help hinder the spread of musk thistle.
Any sort of treatment requires recognizing the plants while still in the rosette stage. It’s not very photogenic then, so finding photos of rosettes is a little hard. We’ve added some images to the Noble Research Institute’s Plant Image Gallery to address that. Simply having lots of spines and pink or purple flowers doesn’t make it a musk thistle.
Oklahoma has several native thistles that do not cause problems as well as five introduced species that do. Proper identification is necessary to apply the most effective control techniques to the right species and to avoid wasting time, effort and expense on the native species that support pollinators.
If the plant has already flowered, it’s too late to do much about it other than attempt to cut off all the heads by hand.
This can be effective for small infestations as long as the heads are sealed in a bag and disposed of properly. Biological control with a couple of different weevils seems to be an effective method for large infestations, but this can still take several years to have a significant impact. Combining mowing, spraying and biological methods has also shown to be effective but involves more timing and coordination to be successful.
Musk thistle is of little value to livestock or wildlife.
Outdoors
The Garden Guy: Mexican Flame Vine, A Must-Have Plant for Beauty and Pollinators
By Norman Winter | Horticulturist, Author, Speaker
If you’ve read this column the past few years, you know I put great importance on choosing plants for pollinators around the farm or ranch, home or office. When those plants pack untold beauty, even better. This column aims to put one plant on your must-have list for 2027: the Mexican flame vine.
Names like Mexican Flame and Orange Glow tell you right away that this flower is bold and riveting in color. Add a vine that draws hummingbirds and butterflies and blazes fiery orange, and you have an award-winning plant.
To be honest, I think everyone should grow it for its botanical name alone, Pseudogynoxys chenopodioides. Imagine the look on your neighbors’ faces when they ask, “What’s that gorgeous vine you are growing?” and you tell them.
The Mexican flame vine is a woody tropical vine. Most references say it is cold-hardy in zones 9 and higher, but I have seen many return just fine in zone 8. It is worth every penny even as an annual. As the name suggests, the vine is native to Mexico, and it isn’t picky about soil. I’ve grown it in acid soil fit for azaleas and in soils more reminiscent of the desert. It belongs to the aster, or daisy, family, and you’ll quickly notice the resemblance.
I realize we are at the beginning of fall, but if you start sourcing now or talking to your favorite garden center, you’ll be ready for spring. When you get yours, dig a hole about twice as wide as the root ball and plant at the same depth it was growing in the container. Set the vine next to a structure for support, like a trellis, arbor or pergola. You may have the perfect fence post that could use a Mexican flame vine.
It is a compact vine that reaches only about 10 feet tall, and it tolerates drought once established. You’ll need to do a little training to get it climbing. You’ll also like that pests rarely bother it.
The vine reblooms reliably, and if you need to cut it back a little, it will quickly send out new growth and another round of blooms. That blazing orange screams to be planted with complementary blue flowers. My first choice would be blue salvias like Unplugged So Blue or Rockin’ Playin’ the Blues. If you’re bold and want a native, consider the late-summer-blooming hardy ageratum, known botanically as Conoclinium coelestinum.
Once yours is growing, you’ll notice all sorts of butterflies feasting on the rich nectar. Red admirals, fritillaries, monarchs and yellow sulphurs of all sorts will visit regularly.
Vines give the landscape a vertical dimension, much like hanging a mirror or picture on a wall indoors. The Mexican flame vine will be one of the most dazzling additions to your garden. Start sourcing yours now so you’re ready for spring.
Follow me on Facebook @NormanWinterTheGardenGuy for more photos and garden inspiration.
Outdoors
Don’t Give Up on the Pond Yet
By Savannah Magoteaux
Right now, our ponds are looking a little tired.
Water levels may be down after weeks of heat and limited rain. Vegetation can be thick around the edges, the water may be warm and murky, and the bass that seemed willing to bite in spring can feel impossible to find.
But don’t give up on the pond just yet.
Late summer can be a hard time for fish. Warm water holds less dissolved oxygen than cool water, and oxygen levels matter even more in ponds with heavy plant or algae growth. In Oklahoma, oxygen depletion is one of the leading causes of pond fish kills.
Those conditions also change where fish spend their time. During the hottest part of the day, bass may slow down and move to more comfortable spots, including deeper water, shade, aquatic vegetation or structure. That makes early morning and evening good times to fish during the last hot weeks of summer.
Pay attention to cover, too. Submerged vegetation, brush, logs and other structure give bluegill and other small fish places to find food and protection, and bass are often nearby. Oklahoma State University Extension notes that some aquatic vegetation benefits a fishing pond, with about 20 percent plant coverage considered ideal.
Then September begins to bring a change.
Cooler nights gradually lower water temperatures, and fish that have been sluggish through the hottest part of summer often become more active. Bass start feeding more aggressively as conditions improve, and baitfish movement can make shallow areas productive again.
That doesn’t mean every cool morning will fill a stringer. Farm ponds are small ecosystems, and each one responds differently depending on depth, water clarity, vegetation, fish populations and rainfall.
Watch the pond itself during this transition. Fall can bring pond turnover, when the layers of water that formed during warm weather mix. If the deeper water holds little oxygen, that mixing can temporarily lower oxygen throughout the pond. Fish gulping at the surface, especially early in the morning, can signal an oxygen problem.
For most anglers, though, September has less to do with worrying over every change in the water and more to do with recognizing that the pond is entering a new season.
Fish earlier and later in the day while temperatures stay high. Work around vegetation and structure. As cooler weather settles in, try shallower water again and watch for signs of baitfish.
That farm pond that seemed nearly lifeless on an August afternoon may have plenty going on beneath the surface. Sometimes all it takes is a cooler morning, a little patience and one more cast.
Outdoors
What Happens to Wildlife in a Drought
By OKFR Staff
Drought is easy to see in a pasture. Grass turns brown, ponds shrink, creeks stop running and crops struggle. It’s harder to see what those same conditions are doing to wildlife.
For deer, turkey, quail and countless smaller species, drought changes much more than how much water is available. It changes where food grows, how much cover the land offers and, in some cases, how successfully animals reproduce.
White-tailed deer are a good example. Deer can go surprisingly long stretches without drinking from a pond or creek if they have succulent plants that supply moisture. During drought, those plants become scarcer and lower in quality. Deer may start eating plants they would normally pass over, and dry years can affect body condition and antler growth. Research in Oklahoma has also shown that fawn production tends to rise and fall with rainfall, so prolonged drought matters when you look at the health of a deer herd over time.
Turkeys face many of the same challenges. Adult birds can get much of the moisture they need from fruits and succulent plants, but drought cuts into those foods. It also affects insects, which young poults depend on. Good brood habitat includes broadleaf plants and plenty of insects, and when dry weather reduces both, young birds have less to eat at a critical stage of life.
Quail may surprise people. Northern bobwhites don’t necessarily need to visit standing water every day. They can get moisture from green vegetation, insects, fruit and even dew. Drought still makes their lives harder by reducing those foods and changing the plant structure they depend on for nesting, feeding and escape cover.
That is why putting out more water isn’t always the whole answer. Oklahoma State University research found that supplemental water can concentrate quail around water sources but hasn’t been shown to increase quail numbers, even in drought years. The bigger issue is habitat. Wildlife need food, cover and space along with access to moisture.
For landowners, some of the best drought help may already be growing on the property.
Avoiding overgrazing leaves more grass and broadleaf plants for wildlife. Leaving brushy areas, native vegetation and field edges undisturbed can provide valuable cover when the surrounding landscape is dry and sparse. Trees and shrubs along creeks and drainages give animals shade, cover and travel corridors.
Water sources still matter, particularly where drought has dried up ponds and streams. If wildlife can reach livestock tanks, ponds or other artificial water sources, make sure animals can get in and out safely. Steep-sided tanks can trap birds and small mammals, so add escape ramps or other exits.
Landowners may also be tempted to start supplemental feeding right away. Feeders and food plots can attract wildlife, but they don’t replace healthy habitat. Food plots may struggle in the same drought that is hurting native vegetation, and concentrating animals around feeders can raise other concerns, including disease transmission and heavy pressure on nearby plants.
Drought also changes wildlife behavior. As resources run short, animals may travel farther or gather around the few places left with food, water and cover. That can make wildlife look more abundant in some spots even while the overall population is under stress.
The effects don’t always end with the first good rain, either. Vegetation takes time to recover, ponds may need repeated rains to refill, and a hard spring or summer’s reproductive losses can’t be reversed overnight.
Oklahoma wildlife are used to changing weather. Dry years are part of the landscape, just like wet years, and most native species have ways of adapting. The longer and more severe a drought becomes, though, the harder those adaptations have to work.
If you want to help wildlife through a dry spell, focus less on replacing everything nature isn’t providing and more on protecting what remains. Conserving cover, avoiding unnecessary disturbance, managing grazing carefully and keeping water sources safe can give wildlife a better chance until the rain returns.
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