Weed With Black Seeds

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Broadleaf and blackseed plantain Plantago major L. and P. rugelii Bahiagrass (Paspalum notatum), also known as highwaygrass, is an aggressive, warm-season perennial grass. Bahiagrass has a mat-forming habit with a light… Black seed and CBD oil are amazingly replenishing oils on their own, but we blended them for the ultimate health-promoting combo. Find out why it’s worth trying!

Blackseed and broadleaf plantain

Family: Plantaginaceae (Plantain family)
Life cycle: Perennial, reproducing by seed
Native status: Broadleaf plantain is introduced to N. America, whereas blackseed plantain is native
Habitat: Turf, landscapes, waste areas

General description: Basal rosette of smooth, elliptic to oval leaves, up to 7 in long and 4 in wide. Leaves have prominent veins and usually inconspicuous hairs. As leaves mature the margins tend to get wavy. Flowers are inconspicuous, produced on a leafless stalk up to 10 in long. Flowers arranged in a spike that covers at least ¾ of the stalk. Has a fibrous root system.

Key ID traits: Rosette of oval leaves with prominent veins.

Similar species: Blackseed plantain can be difficult to differentiate from broadleaf plantain. Blackseed plantain usually has a red tinge at the base of leaf petioles and lacks hairs on leaf blades. Blackseed plantain has dull, black seeds whereas those of broadleaf are shiny and light to dark brown.

Miscellaneous: The plantains once were much more problematic as lawn weeds. They are much more susceptible to the growth regulator herbicides that are commonly used on lawns than many other perennial weeds. One reason for their greater sensitivity to herbicides than dandelion is the plantains have a fibrous root system rather than a taproot found on dandelions. The taproot stores more energy reserves than a fibrous root system, increasing the ability to come back from herbicide treatments.

Oval leaves with long, flat petioles characteristic of plantain. The red base of petiole suggests this is blackseed plantain.

Seedheads of broadleaf (left) and buckhorn (right) plantain

Successful weeds adapt to stresses in the environment. This plantain is able to survive a mowing height of 0.5″ or less in a creeping bentgrass golf fairway.

Bahiagrass

Bahiagrass (Paspalum notatum), also known as highwaygrass, is an aggressive, warm-season perennial grass. Bahiagrass has a mat-forming habit with a light green color, coarse texture, and open canopy. It is native to South America and was introduced into the U.S. in Florida as a forage grass around 1913.

Bahiagrass is easily identified by its distinctive “Y-shaped” seed head. It tolerates a wide range of soil conditions and spreads by seeds and rhizomes (a horizontal, modified stem found at or just below ground level). Bahiagrass growth is favored by drought, so it is an indicator plant for droughty soil conditions. The aggressive nature and drought tolerance of bahiagrass make it ideal for erosion control along roadsides and highway rights of way. However, its aggressive nature also makes it difficult to control as a weed in the landscape.

Bahiagrass habit with seed heads.
Ted Bodner, Southern Weed Science Society, Bugwood.org

Bahiagrass has distinctive “Y-shaped” seed heads.
Bert McCarty,©Clemson University

Before starting a weed control program, homeowners should realize that the complete eradication of bahiagrass (or any weed) from the landscape is not practical. A more practical approach is to control (not eradicate) the weed by limiting the infestation to a tolerable level.

Control in Lawns

Maintaining the health and density of your lawn is the best method for preventing a weed problem. Proper mowing height, irrigation, and fertilization of turfgrass will be the best defense against weeds. For more information on these topics, see the following fact sheets: HGIC 1201, Fertilizing Lawns; HGIC 1205, Mowing Lawns; and HGIC 1207, Watering Lawns.

If bahiagrass becomes a problem in a turf area, it can be dug up, or an herbicide may be used. If an herbicide treatment is chosen, treatments should be timed appropriately for optimum effectiveness.

Since bahiagrass is a perennial weed that also reproduces by rhizomes, post-emergent herbicides will also be necessary for improved control. Post-emergent herbicide applications should start in May when bahiagrass is small and starting to actively grow. See table for safe herbicides according to turf species.

Turf Tolerance to Post-emergence Herbicides for Bahiagrass Control.

Herbicide Bermudagrass Centipedegrass St. Augustinegrass Tall Fescue Zoysiagrass
sethoxydim NR S NR NR NR
imazaquin S-I I I NR S
metsulfuron S S S-I NR S
atrazine D S S NR NR
S= Safe at labeled rates.
I= Intermediate safety, use at reduced rates. Temporary yellowing of the turfgrass may occur.
NR= Not Registered for use on and/or damages this turfgrass.
D= Dormant. However, with the mild winters of recent years, bermudagrass lawns may not become completely dormant.

Once bahiagrass weeds have been eliminated in areas of the turf, bare spots will be left behind. To prevent the invasion of new weeds in these bare spots, it is best to fill them with plugs or sprigs of the desired turfgrass.

Glyphosate: Non-selective herbicides, such as glyphosate, can be used for spot treatments; however, desirable grasses can be severely injured or killed with contact. Multiple applications of glyphosate will be required to control bahiagrass. Examples of glyphosate products in homeowner sizes are:

  • Roundup Original
  • Martin’s Eraser Systemic Weed & Grass Killer
  • Tiger Brand Quick Kill Grass & Weed Killer
  • Ultra Kill Weed & Grass Killer Concentrate
  • Ace Concentrate Weed & Grass Killer
  • Bonide Kleen-up Grass & Weed Killer
  • Gordon’s Groundwork Concentrate 50% Super Weed & Grass Killer
  • Monterey Remuda Full Strength 41% Glyphosate
  • Hi-Yield Super Concentrate Killzall Weed & Grass Killer
  • Southern States Grass & Weed Killer Concentrate
  • Zep Enforcer Weed Defeat III
  • Eliminator Weed & Grass Killer Super Concentrate
See also  Weed Defense Grass Seed

If it is not practical to prevent glyphosate from getting on desired grasses, then a selective herbicide should be used. The following information is a guideline for choosing a selective herbicide according to turfgrass type.

Atrazine: Atrazine is a post-emergence herbicide for bahiagrass control that also has pre-emergence activity to give fair control of bahiagrass seed. It will also give post-emergence control of many broadleaf weeds. However, it is only safe to use on centipedegrass and St. Augustinegrass lawns. For maximum effectiveness, apply atrazine when air temperatures reach 65-70 °F for four consecutive days. Examples of atrazine products in homeowner sizes are:

  • Hi-Yield Atrazine Weed Killer Concentrate
  • Southern Ag Atrazine St Augustine Weed Killer Concentrate

Sethoxydim: For centipedegrass lawns, the use of sethoxydim (BASF Segment II Herbicide) will suppress bahiagrass. Sethoxydim should be applied no sooner than 3 weeks after centipedegrass spring green-up. Wait until lawns are fully greened. For a more effective bahiagrass treatment, do not mow 7 days before or after treating with sethoxydim. Reapply sethoxydim 3 weeks after initial application to suppress bahiagrass growth and seed head development. Do not make more than two applications per growing season.

Imazaquin: Image Kills Nutsedge is a homeowner-packaged, post-emergence herbicide product that will aid in the control of and reduce competition from bahiagrass. It may be applied to established bermudagrass, Zoysiagrass, centipedegrass, and St. Augustinegrass but do not apply to tall fescue. Do not apply imazaquin to St. Augustinegrass for other weed control during the winter. Do not apply imazaquin just prior to or during spring transition (green-up of the lawn). Do not use imazaquin in vegetable gardens, and do not use the grass clippings from treated lawns as mulch in landscape beds or around vegetables, fruit trees, or small fruit plants. A repeat application may be made for difficult to control weeds after 6 weeks.

Metsulfuron: Quali-Pro MSM Turf Herbicide, Quali-Pro Fahrenheit, and Blindside Herbicide are professional use herbicide products that will control bahiagrass, as well as many broadleaf weeds.

Metsulfuron can be used on bermudagrass, St. Augustinegrass, centipedegrass, and zoysiagrass. The Quali-Pro Fahrenheit also contains dicamba for broadleaf weed control. Blindside Herbicide also contains sulfentrazone for nutsedge control.

A non-ionic surfactant (such as Southern Ag Surfactant for Herbicides, Hi-Yield Spreader Sticker, or Bonide Turbo Spreader Sticker) is required at 2 teaspoons per gallon of spray mix for best control with the metsulfuron products above. Read the metsulfuron product label for more information. Some discoloration of turfgrass may occur after the application of metsulfuron, and increased yellowing and stunting of turfgrass may occur with the addition of the surfactant. A repeat application may be required in 4 to 6 weeks for best control of bahiagrass. Follow label directions for a reduced rate on centipedegrass.

Do not over-seed or re-sod for 8 weeks, or plant woody ornamentals in treated areas for one year after applying metsulfuron. Do not apply metsulfuron herbicides within two times the width of the drip line of desirable hardwood trees. Do not allow spray drift to contact desirable shrubs, and high temperatures at application may increase herbicide drift. Make metsulfuron applications when temperatures are below 85 °F. Allow one week between application of metsulfuron and other lawn pesticide products. Read the product label for other precautions for each turfgrass species.

Control in Vegetable Gardens

It is best to attempt to treat weeds before tilling the soil for a vegetable garden. Tilling can break up and spread weed seed and perennial grass rhizomes throughout the garden plot. Some methods used to remove weeds in the vegetable garden include hand pulling, mulch, and post-emergent herbicides.

Cultural Control: Hand pulling bahiagrass may be a practical choice for small garden plots. If hand pulling, be sure to work when the soil is moist so that the bahiagrass roots can easily be removed from the soil.

Organic mulch (such as pine needles, ground leaves, compost, old hay, or grass clippings) can be used in the garden to help suppress bahiagrass development. Before laying the mulch, apply a layer of 6 to 8 wet newspaper sheets to act as a weed barrier. The newspaper layer will prevent weed development by blocking light to the weeds underneath and prevent their growth. Best of all, the newspaper should decompose before next spring. To prevent low oxygen levels in the root zone, keep organic mulch levels at a maximum of 3-inches deep. For more information on mulching the vegetable garden, see HGIC 1253, Controlling Weeds by Cultivating & Mulching.

Glyphosate: A post-emergent herbicide can be used to treat the garden plot before planting. Glyphosate can be applied to the garden plot 3 or more days prior to planting. Glyphosate is most effective when weeds are actively growing, so do not apply during extreme heat, cold, or drought conditions. Multiple applications of a 1.5 to 2.0% glyphosate solution may be necessary to control perennial weeds like bahiagrass. See product label for mixing directions. For examples of glyphosate products in homeowner sizes, please see the “Control in Lawns” section.

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Sethoxydim: Some products containing sethoxydim may be applied within the vegetable garden after planting. These will control most grass weeds, in addition to bahiagrass. However, do not apply near sweet corn. Examples of products labeled for use within vegetable gardens are:

  • Hi-Yield High Yield Postemergence Grass Herbicide
  • Bonide Grass Beater Over-the-Top Grass Killer II Concentrate
  • Ferti-lome Over-the-Top II Grass Killer Concentrate
  • Monterey Grass Getter
  • Poast Herbicide

Control in Landscape Beds

In landscape beds, bahiagrass can be hand dug or controlled with an herbicide. As mentioned previously, it is best to prevent the invasion of bahiagrass by maintaining ideal growing conditions and using a 3-inch mulch layer to block weed development. Bahiagrass is a perennial weed that can emerge from both seeds and rhizomes. Once bahiagrass has made its way into the landscape bed, an herbicide may be necessary if hand pulling is not practical.

Glyphosate: A non-selective herbicide, such as glyphosate, can be used for spot treatments around ornamental plants but should be used with caution. Do not allow glyphosate spray mist to contact ornamental foliage or stems, as severe injury will occur. A cardboard shield may be used to prevent glyphosate spray from drifting to nearby ornamentals. For examples of glyphosate products in homeowner sizes, please see the list above in the “Control in Lawns” section.

Sethoxydim: Sethoxydim is a selective herbicide that can be applied safely in landscape beds containing most landscape plants but check the product label for a listing of tolerant plant materials. Sethoxydim will only control grass weeds; however, do not allow sethoxydim to contact ornamental grasses. A 2.5% solution should be applied before bahiagrass reaches 4 inches tall. Read label directions for mixing. Examples of products containing sethoxydim in homeowner sizes are:

  • Hi-Yield Grass Killer Postemergence Grass Herbicide
  • Bonide Grass Beater Over-the-Top Grass Killer II Concentrate
  • Ferti-lome Over-the-Top II Grass Killer Concentrate
  • BASF Segment II Herbicide
  • Monterey Grass Getter

Glyphosate and sethoxydim are both more effective when weeds are actively growing and will not work well for weed control under drought conditions. As with all pesticides, read and follow all label instructions and precautions.

CAUTION: Atrazine and imazaquin can travel through soil and enter groundwater; please read the label for all environmental precautions. Users are advised not to apply atrazine or imazaquin to sand or loamy sand soils where the water table (groundwater) is close to the surface and where these soils are very permeable, i.e., well-drained.

Pesticides are updated annually. Last updates were done on 7/22 by Barbara Smith.

Originally published 10/08

If this document didn’t answer your questions, please contact HGIC at [email protected] or 1-888-656-9988.

Original Author(s)

Millie Davenport, Director of Home and Garden Information Center, Horticulture Program Team, Clemson University

Revisions by:

Joey Williamson, PhD, HGIC Horticulture Extension Agent, Clemson University

This information is supplied with the understanding that no discrimination is intended and no endorsement of brand names or registered trademarks by the Clemson University Cooperative Extension Service is implied, nor is any discrimination intended by the exclusion of products or manufacturers not named. All recommendations are for South Carolina conditions and may not apply to other areas. Use pesticides only according to the directions on the label. All recommendations for pesticide use are for South Carolina only and were legal at the time of publication, but the status of registration and use patterns are subject to change by action of state and federal regulatory agencies. Follow all directions, precautions and restrictions that are listed.

Black Seed and CBD Oil: What is it and Why it is Worth Trying

Black Seed and CBD Oil by Nature’s Blends combines the health-promoting properties of black seed oil with the healing prowess of cannabidiol (CBD) oil.Our invigorating blend contains a replenishing mix of two potent plant-derived oils, both of which have their own restorative qualities.

CBD and black seed oil are fully compatible with each other. When combined, they work in conjunction with each other to boost our health and promote wellbeing.

Black Seed Oil

Black seed oil is one of the core ingredients of black seed and CBD oil food supplements. Black seed oil , also known as black cumin seed oil, is a natural oil derived from the seeds of Nigella Sativa (black seed) plant. Nigella Sativa is mostly grown in Eastern Europe, Southwest Asia and Middle East. It is a small plant with mellow purple, faded blue or white flowers.

Black seeds have been historically used as a medicinal remedy for many ailments. Considered a ‘cure-all’ in some parts of the world, black seeds as well as the oil derived from them was a common ingredient in herbal medicines.

Black seeds also pack a lot of flavour. Due to their distinct taste and aroma, black seeds are used in cooking and garnishing. They are commonly sprinkled in curries, used in pickling preserves and added to kneaded bread in some parts of the world. Similarly, pure black seed oil is a popular culinary ingredient and seasoning option in different regions.

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Extraction Process

Black seed oil is derived from the seeds of Nigella Sativa. Best black seed oil retains its organic content and potent qualities. Since extremities in temperature can denature the natural compounds present in black seed oiland additives can reduce the overall volatility (and effectivity) of the produce, choosing the right extraction method is important.

Our Black seed oil is extracted from premium grade black seeds obtained from the fertile fields of Ethiopia. At Nature’s Blends, we ensure that no heat or preservatives are used in preparing our black seed oil.

Instead, we use the cold-pressing technique to extract oil from organic seeds. During the harvest, the output is examined, and the choicest seeds are selected for the oil extraction process. Then, black seeds are carefully cold-pressed (only once) within 24 hours of the original harvest to obtain pure and volatile black seed oil.

Benefits

Black seed oil caught the attention of researchers and scientists relatively recently, but several pre-clinic studies have been conducted to explore the potential of this ancient remedy. Day by day, we are finding out more about the health effects of this marvelous gift of nature. Here are some of the potential benefits of black seed oil:

  • Boosts the immune system
  • Improves liver function
  • Reduces swelling
  • Decreases the risk and severity of break outs, acne and eczema
  • Enhances brain health
  • Reduces cholesterol levels
  • Pain management and relief for arthritic patients
  • Improves blood sugar levels in diabetic individuals
  • Reduces cough
  • Helps with depression, mood swings and anxiety

CBD Oil

The other main ingredient used in making this blend is CBD oil. CBD is short for ‘cannabidiol’, one of the 104 natural compounds present in the Cannabis Sativa plant. While both hemp and marijuana shrubs fall into the Cannabis Sativagenus, hemp is used to make commercial products because it has a higher percentage of CBD (which is non-psychoactive) and negligible THC (psychoactive compound).

Cannabis Sativa has been with us for a long time. Historical records reveal that we have been cultivating hemp since 4000 BCE. In ancient China, hemp was considered a cash crop because of its economic importance. Hemp was used to make paper, ropes and clothes.

Cannabis Sativa extracts were also used as herbal remedy for a variety of disorders and ailments in different parts of the world. CBD enriched oils and plant extracts were used for pain and cramp relief. It was also a common practice to use Hemp CBD oil for relaxation because of its anxiety alleviating effects.

Extraction Process

CBD is extracted from green and purple tinted flowers and leaves of the hemp plant. Since hemp is an ultra-absorbent plant, cultivating hemp is a process that requires a lot of care and the right soil. If the soil has contaminants, the plant will soak them up and it will affect the purity of the produce. That is why a lot of care and caution should go into growing hemp and processing it for CBD.

At Nature’s Blends, we begin our harvest by identifying the best hemp plants in a lovely organic hemp farm in EU. The produce is examined, sifted through and only the best of the blooms are selected for CBD extraction. The flowers are then plucked, one by one and then left out to air-dry.

To obtain our full-spectrum CBD oil, we process our extracts with immense care. We use the powerful and efficient CO2 method to separate CBD from any impurities. CO2 is a particularly effective method of CBD extraction because it reduces the risk of contamination and ensures top quality.

Benefits

We have a long history with CBD oil but formal research on the properties of this natural remedy was initiated recently. Researchers began taking interest in this wonderful extract and began conducting in-depth studies about the effects of CBD oilon the human body. Though further research is currently underway, here’s what prior studies say about the potential benefits of CBD oil:

  • Neuropathic and inflammatory pain relief
  • Reduces anxiety and depression
  • Boosts the immune system
  • Lowers high blood pressure
  • Substance abuse treatment
  • Combats insomnia by regularising sleep cycle
  • Minimises inflammation
  • Improves heart health
  • Reduces the severity and frequency of seizures for neurologic patients

Black Seed and CBD Oil

Black seed and CBD oil are great on their own but when they are combined, they form a power combo blend with the goodness (and benefits!) of both black seed oil and CBD oil. Our health-promoting black seed and CBD oil can be taken as a food supplement for an overall therapeutic experience.

Nature’s Blends black seed and CBD oil is a health-giving supplement. Here’s what makes it special:

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