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The Global Insight

Does vinegar kill Periwinkle

Author

William Harris

Updated on April 19, 2026

Don’t leave any of it lying around because these plants root readily from cuttings. … Pour into a garden sprayer and apply generously to the cut Vinca plants. The vinegar may not kill the weeds, but it will weaken them. Don’t expose desirable plants to the solution, which kills indiscriminately.

What is the best way to kill Periwinkle?

Cut the vinca with a lawn mower or trimmer and immediately apply a 5 percent solution of glyphosate to the cut foliage and stems. This best done in spring or fall when vinca is actively growing and temperatures are between 70 and 80 degrees Fahrenheit.

How do I get rid of Periwinkle?

Dig out roots that break off below the surface of the soil. Any roots left behind can grow into a new plant. Disposal: Do not compost! Put periwinkle and other invasive groundcovers in the garbage.

How do you get rid of periwinkles naturally?

  1. Remove the periwinkle runners from the ground with a garden rake. …
  2. Dig the periwinkle and its roots out of the soil about 4 to 6 inches deep. …
  3. Cover the area with black plastic.

What spray kills Periwinkle?

If the problem weeds are broadleaf weeds, painted glyphosate application is the best herbicide solution because a selective herbicide for broadleaf plants kills both the weeds and the periwinkle.

How do you get rid of ground covering plants?

You can spray the plants with a non-selective, systemic, post-emergent herbicide instead of cutting the plants. This process can still require you to dig up remaining roots from the soil to prevent reestablishment. Apply herbicide sparingly and carefully to avoid damaging neighboring plants or harming the soil.

How do I stop periwinkle from spreading?

Cut periwinkle plants with pruning shears in late spring or early fall when temperatures are between 70 and 80 degrees Fahrenheit. Use a weed whip for large patches. Spray the cut stems with a ready-to-use, 5-percent glyphosate weedkiller.

Will periwinkle take over grass?

Periwinkle is quick to grow and spread. It does well in places other ground covers, such as grass, will not take hold. Periwinkle’s simple needs makes it a great favorite for landscaping.

How deep are periwinkle roots?

Periwinkles are “fairly deep-rooted” (review by [79]). Common periwinkle plants in western Montana exhibited fibrous roots ranging from 1 to 3 inches (3-8 cm) long [96].

What kills creeping myrtle?
  • Glyphosate. Glyphosate kills virtually any plant it touches. …
  • Triclopyr. Triclopyr-based herbicides cause supressed or abnormal growth that disrupts and eventually kills the crape myrtle. …
  • Considerations. Herbicides can take weeks to kill a healthy crape myrtle tree.
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How do I get rid of invasive ground cover?

Dip a paintbrush in glyphosate herbicide. Paint the exposed lengths of invasive ground cover with the herbicide. Monitor the vines over the next few weeks looking for new growth to emerge. Cut new growth with the pruning shears and apply glyphosate to the vine.

How do I get rid of big leaf periwinkle?

Triclopyr mixed with mineral oil is effective but applications will need to be repeated as straggler plants crop up. Getting rid of periwinkle generally takes several seasons no matter what method you choose because of its hardiness and tenacity. Spray in winter when all other nearby vegetation has died back.

Is periwinkle plant invasive?

First introduced to California for ornamental and medicinal purposes, big periwinkle has escaped garden landscaping and is now invasive in coastal counties, the foothills, the central valley, and some desert counties. Big periwinkle spreads rapidly, especially in riparian areas, creeks, and drainages.

What is the difference between Vinca major and Vinca minor?

The main difference between Vinca major and Vinca minor is that the leaves of V. major are slightly broader, larger, ovate, or heart shaped, while those of V. minor are small, elongated, lance-shaped. This can help identify the species.

What is metribuzin herbicide?

Metribuzin is a herbicide used to selectively control certain broadleaf weeds and grassy weed species on a wide range of sites including vegetable and field crops, turf grasses (recreational areas), and non-crop areas.

How do you control creeping myrtles?

Spray the area where myrtle is growing with the glyphosate. Apply the glyphosate to the tops and bottoms of the myrtle leaves and vine. Monitor the vine for dieback over the next week. Apply more glyphosate to the myrtle as needed for control.

Does periwinkle come back every year?

Despite being called annual vinca, it is a herbaceous perennial, though it only fairs well as a perennial in warmer climates. Because it is adapted to such warm climates, gardeners generally replant it from year to year.

Can periwinkle be contained?

Both species have aggressive roots, but greater periwinkle is considered a particularly invasive threat. When using the plants as ground-cover, keep them contained with plastic barrier edging. Otherwise, they may invade other areas of the garden or yard.

How do you get rid of ground cover naturally?

Spread a 2– to 3-inch layer of organic mulch such as wood chips or shredded bark over the cardboard or landscape fabric. If water pools in certain areas after rainfall, push a garden fork through the mulch once to create four drainage holes. Pull out any ground cover sprouts that appear.

How do you get rid of invasive flowers?

  1. Pull them out at the roots manually. Pull them out by the roots and dispose of your invasive species, if you can. …
  2. Use garden machinery. Mowing, chainsaws, and weed whippers might all be useful in getting the invasive species out quicker. …
  3. Apply herbicides or weed killers. …
  4. Hire a professional for the assist.

How do I get rid of ground cover in flower bed?

Spray the ground cover with a ready-to-use, 2 percent glyphosate herbicide supplied in a container with a directional wand or shielded sprayer, covering all plant parts. Alternatively, dip a 1- to 2-inch paintbrush in the glyphosate solution and paint it on the ground cover.

Why is periwinkle invasive?

Vinca minor is native to Europe, and was first introduced to North America in the 1700s as an ornamental plant. … minor by gardeners – primarily dumping garden waste including hanging baskets into or on the edge of natural areas – has resulted in this plant becoming invasive in local ecosystems.

How fast does periwinkle spread?

How quickly does periwinkle spread? It takes approximately a year for periwinkles planted at a spacing of 15 centimetres to completely cover an area.

Is all vinca invasive?

Vinca minor vines are considered somewhat invasive plants, so, if this is a concern for you, make it a point each year to keep their runners in check. But remember, the flip side of the coin for so-called “invasive plants” is that they are vigorous growers, meaning that they tend to be successful at filling in an area.

How do I get rid of grass in periwinkle?

One is to hand pull or selectively dig out the grass, another is to trim it short and immediately smother it with newspaper topped with an organic mulch such as bark, and another is to kill it out with an herbicide that affects only grasses.

What herbicide contains dicamba?

Dicamba (3,6-dichloro-2-methoxybenzoic acid) is a broad-spectrum herbicide first registered in 1967. Brand names for formulations of this herbicide include Dianat, Banvel, Diablo, Oracle and Vanquish. This chemical compound is a chlorinated derivative of o-anisic acid.

How do you get rid of crepe myrtle roots?

You can dig up the crepe myrtle suckers and sever the main roots with a sharp shovel or large garden shears. Then paint Tordon onto the cut – being sure to spread it all the way to the edges – and let it do its work.

Is periwinkle a good ground cover?

Periwinkle grows in partial sun, partial shade, and full shade. … Also, they are a good choice for a ground cover for an area with dry shade.

How do you get rid of invasive perennials?

Herbicides are among the most effective and resource-effi- cient tools to treat invasive species. Most of the commonly known invasive plants can be treated using only two herbi- cides—glyphosate (the active ingredient in Roundup™ and Rodeo™) and triclopyr (the active ingredient in Brush-B- Gone™ and Garlon™).

What does periwinkle look like?

Periwinkle (Vinca minor) is an excellent evergreen groundcover with dark green foliage. Oblong to ovate leaves are opposite, simple, ½ to 2 inches long, glossy, with a short petiole. They exude a milky juice when broken. Flowers are purple, blue or white depending on the cultivar.

Is Periwinkle harmful to dogs?

The vinca alkaloids known as vinblastine and vincristine are widely used in chemotherapy to treat a variety of cancers in humans and animals. Since this periwinkle contains these alkaloids, if ingested by dogs, they can be poisonous and cause a variety of side effects.