What is the difference between vinca and periwinkle
Follow all directions, precautions and restrictions that are listed. Join our mailing list to receive the latest updates from HGIC. More Information » Close message window. Author s Marjan Kluepfel , Former HGIC Horticulture Information Specialist, Clemson University Bob Polomski , PhD, Associate Extension Specialist, 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.
Was this helpful? Yes No. What can we improve? Close comments window. What did you like most? Previous Mondo Grass. Next Juniper Groundcovers. Related Posts. Search for:. Factsheet Number Search for factsheet by number. Incorporate a few inches of compost or peat moss into the garden bed before planting, to boost flower production and the health of these plants. Fertilize container-grown annual vinca regularly to promote full foliage. Vinca minor also benefits from the application of a balanced water-soluble fertilizer application once a year.
Annual vinca cannot tolerate the cooler soils of late spring and is quite susceptible to frost damage. Wait until soil and air temperatures warm, to limit yellowing of leaves and keep the plant strong.
Vinca minor develops yellowed leaves if placed in full-sun locations. Both plants experience yellowing of leaves if planted in overly wet soil. Share this article. You can also do a stem cutting, but that takes a little more work since you have to get the stem to root. Your best bet is to use divisions or nursery transplants. Dividing established plants is the quickest way to propagate.
To divide periwinkle, take these easy steps:. Periwinkle will attract all the typical indoor and outdoor pests, including aphids , spider mites , scale , and whiteflies. Use insecticidal soap or neem oil to control any infestations. The vine is also susceptible to wilt and dieback, which is typically caused by fungal diseases. Periwinkle could also experience canker lesions on the stem. Fungal leaf spots can also attack the leaves, but an infected leaf can be cut off and thrown away.
To avoid fungal problems, water the soil, not the leaves. The vines need little care. They are deer-resistant, the flowers are rabbit-proof, and few insects eat them, so there is not much pest control to worry about. It has a medium growth rate, but can also become a very vigorous, aggressive grower. If this is a concern, make it a point each year to keep their runners in check. Both look very similar but Vinca major is cold-hardy and a bit larger than Vinca minor.
Common periwinkle: vinca minor Gentianales: apocynaceae : invasive plant atlas of the united states. Vinca Stem Canker. Missouri Botanical Garden. Actively scan device characteristics for identification. This helps prevent periwinkle from producing seeds. How often do you water vincas? Water every other week, or if the top 2 inches of soil feel dry to the touch. Vinca is very drought tolerant and prefers its soil to be on the dry side of moist.
Do not wait too long to water, though. How deep are periwinkle roots? Dig holes 3 to 4 inches deep and wide with a hand trowel. Space the holes 12 to 18 inches apart so that the area will fill in with periwinkles by the end of the growing season.
Place the roots in the hole spreading them downward and outward. How do you keep periwinkle under control? 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. Do vincas come back? Evergreen leaves, trailing vines and purple-blue flowers make them appealing plants in every season, and because they are perennials, gardeners don't need to replant them from year to year.
There is also an annual vinca Catharanthus roseus, zones 10 - 11 , which is not a vine and must usually be replanted each year. Does Vinca die in winter? Vinca Vinca minor also called myrtle and common periwinkle, grows in U. Department of Agriculture plant hardiness zones 4 to 8.