Outdoors
Grazing Oklahoma: Old World Bluestems
By: Rob Cook, Noble Research Institute pasture and range consultant/rdcook@noble.org
Characteristics: Old world bluestems are introduced, warm-season, perennial bunch grasses. Mature height is about two to four feet tall. The leaves are up to 3/16-inch wide and four to eight inches long.
The leaves are linear and have hairs on the surface that get thicker towards the stem. The stems are often yellowish in color. The seed head can contain two to eight branches and can sometimes be confused with native bluestem varieties such as silver bluestem and big bluestem.
Area of Importance: Old world bluestems are now a common grass, growing on various soil types across the plains of Oklahoma and Texas, but it is typically planted on heavier textured soils. It has an ability to establish and flourish in bare soils.
For this reason, it was commonly planted in monocultures in Conservation Reserve Program (CRP) plantings, and to stabilize soil along roadsides and right-of-ways. Old world bluestem is a name given to a group of several different bluestem varieties. There are two different species that make up the group. Bothriochloa ischaemum are the yellow bluestems that include varieties commonly known as Plains bluestem and King Ranch bluestem. Bothriochloa bladhii are the bluestems that include varieties commonly known as Caucasian bluestem and WW B-Dahl bluestem.
It provides fair to good grazing for livestock. Old world bluestems provide poor forage values for wildlife, and the seeds are not used by grassland birds.
Attributes: Old world bluestems have escaped from the areas originally planted in and invaded into native rangeland across the Southern Great Plains. It is commonly seen in pastures, fields, ditches, roadsides, pipelines, and even yards across Texas and Oklahoma. It is so well adapted to establishing from seed that it is seen as a weedy grass at best and an invasive species by many land and wildlife managers.
Some studies have shown that Old world bluestems are able to change a soil’s chemical composition, reduce seed germination and slow the growth of other plants around it. Many varieties are considered increasers under continuous grazing because the plant is able to tolerate grazing better than many native forage species. When heavily grazed, Old world bluestem will take on a decumbent growth form where the leaves will grow close to the ground and spread out from a flattened base before the stems bend up to raise the seed head. This makes the leaves difficult for cattle to graze.
Varieties such as Plains and WW-B.Dahl have high production potential when managed correctly. The production potential and relative ease of establishment on even degraded soils make these grasses a popular choice to plant for establishing grazing or hay lands. However, other species of introduced or native forages should be considered and the planting of Old world bluestems should be discouraged because of its ability to invade even properly managed native rangelands. These grasses are present in widespread areas, and chances are many pastures have them in some density.
Control with herbicides and fire have been shown to be greatly ineffective. When it is present, grazing and wildlife managers often have to manage what they have. Proper grazing utilization of the native plants will allow them to compete with Old world bluestems and serve as the best management technique to slow its invasion.
References:
Coffey, C.R., R.L. Stevens. Grasses of the Great Plains: A Pictorial Guide
Linex, R.J., 2014. Range Plants of North Central Texas
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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