What herbicide kills Honeyvine milkweed?

honeyvine milkweed, Cynanchum laeve

Did you know that Honeyvine milkweed can produce up to 20,000 seeds in a single growing season? This incredible number shows just how quickly this plant can spread, making it a topic worth exploring!

HALO Select – Halsulfuron Herbicide kills Honeyvine milkweed.

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Characteristics of Honeyvine milkweed:

Weed Status:

Honeyvine milkweed is often considered a nuisance, especially in gardens and agricultural areas. While it can provide some benefits like attracting pollinators, its rapid growth and spreading habits can choke out other plants and reduce crop yields.

Growth Habit:

This plant is a perennial, meaning it can live for several years. It grows by producing seeds, but it also spreads through rhizomes, which are underground stems. Because of this, Honeyvine milkweed can be quite invasive, taking over spaces where other plants used to thrive.

Appearance:

Honeyvine milkweed has heart-shaped leaves that are dark green and can grow up to 4 inches long. The flowers are small, star-shaped, and usually pale pink or white, appearing in clusters. The plants can reach heights of up to 6 feet, and their climbing habit gives them a distinctive look, often wrapping around nearby structures or plants.

Climate Suitability:

This weed thrives in warm climates and is quite drought-tolerant once established. It prefers temperatures that range from mild to hot but can struggle in extreme cold, making it more common in southern regions.

Soil Preference:

Honeyvine milkweed is not picky when it comes to soil. It can grow in various types, including sandy, loamy, or even somewhat compacted soils. It prefers slightly acidic to neutral pH levels and can tolerate nutrient-poor conditions, which is part of why it can spread so rapidly.

HALO Select – Halsulfuron Herbicide

HALO Select - Halsulfuron
HALO Select – Halsulfuron

HALO Select – Halsulfuron Herbicide is a selective herbicide designed to target Honeyvine milkweed effectively.

Mode of Action:

This herbicide works systemically, meaning it is absorbed by the plant and moves throughout its tissues. It disrupts key growth processes in Honeyvine milkweed, ultimately stunting its growth and leading to its death.

Effectiveness:

HALO Select has a high success rate when it comes to controlling Honeyvine milkweed. It specifically targets this weed without affecting many desirable plants, making it a reliable choice for managing this invasive species. However, it’s important to follow the application guidelines to avoid any potential concerns.

Best Use:

The best time to apply HALO Select is during the active growing season when Honeyvine milkweed is most vulnerable. Spot treatments are effective for localized infestations, but larger areas may require broader application methods.  

Tips for Using HALO Select – Halsulfuron Herbicide:

  • When using HALO Select, it’s best to apply it in the early morning or late afternoon to minimize the risk of evaporation.
  • Follow the recommended dosage on the label for effective results.
  • Additionally, combining herbicide use with cultural control measures, like regular mowing or pulling up small plants by hand, can help prevent Honeyvine milkweed from reestablishing in treated areas.
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