Is Big leaf periwinkle invasive?

Bigleaf periwinkle is an invasive evergreen to semi-evergreen trailing vine that reaches to over 6.6 ft. (2 m) in length. The stems are stout, somewhat woody, and green. The opposite, glossy leaves are 1.5 to 2.5 in.

Is periwinkle a good ground cover?

Tough, low-maintenance, and pest-free, Vinca minor (commonly known as periwinkle) has pretty broadleaf foliage and flowers. It is also useful for providing ground cover and is known for its creeping habit.

How do you control big leaf periwinkle?

Control of Periwinkle with Herbicides 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.

Does periwinkle spread quickly?

Large periwinkle spreads rapidly and will mound up to 2 feet. Non-flowering stems root at the tips where they touch the ground.

Will periwinkle choke out other plants?

Vinca minor, also known as just vinca or periwinkle, is a fast growing, easy groundcover. It’s appealing to gardeners and homeowners needing to cover areas of the yard as an alternative to grass. This creeping plant can be invasive though, choking out native plants.

Is periwinkle toxic to dogs?

Vinca (Catharanthus roseus), commonly referred to as Periwinkle, is an evergreen perennial that blooms in the spring and summer. Popular as a groundcover, Vinca is a favorite choice of gardeners. All parts of Vinca (Catharanthus roseus) are considered poisonous to humans, dogs, cats, and horses.

Can periwinkle survive winter?

Vinca (Vinca minor) also called myrtle and common periwinkle, grows in U.S. Department of Agriculture plant hardiness zones 4 to 8. In these climates, it generally survives the winter. It’s grown as an annual in colder regions, although vinca might survive under snow.

Should periwinkles be cut back?

Prune periwinkles back to about four inches tall with clean, sharp shears in early spring to reduce the plant’s natural tendency toward ranginess. Do this immediately following the last predicted frost for your area and before new growth begins.

Is periwinkle ground cover invasive?

Are periwinkles invasive?

The problem with using periwinkle in your garden is that it can grow too fast and too easily. An invasive species, it outcompetes many native plants and wildflowers.

Is Big leaf periwinkle poisonous to dogs?