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. Vinca minor vines most commonly put out a blue flower in spring, but the color can also be lavender, purple, or white. They may bloom occasionally in summer, too, though the summer display will not be nearly as magnificent as the spring display. It has a medium growth rate and is typically planted in early spring; however, the hardy plant will tolerate being planted in the fall. Vinca minor is toxic to pets.
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|Common Names||Vinca minor, creeping myrtle, common periwinkle, dwarf periwinkle|
|Botanical Name||Vinca minor|
|Plant Type||Evergreen perennial|
|Mature Size||3-6 in. tall with trailing vines up to 18 in. long|
|Sun Exposure||Full, partial, shade|
|Soil Type||Loamy, sandy, clay|
|Soil pH||Acidic, neutral, alkaline|
|Bloom Time||Spring, summer|
|Flower Color||Blue, lavender, purple, white|
|Hardiness Zones||4-9 (USDA)|
|Toxicity||Toxic to pets|
Vinca Minor Care
Vinca minor vines have a low sprawling habit, typically growing 3 to 6 inches in height and 18 inches in length. The stems of these plants root at their joints as they creep along the ground and spread rapidly to become a pretty flowering ground cover able to fill in a large area and discourage weeds.
Vinca minor vines are often planted beneath mature trees, where most lawn grass struggles with the lack of available sun. Drought tolerant, this hearty vine also won't need to compete with tree roots for moisture. This shade-loving vine can provide better coverage for those troublesome bare spots with the bonus of a spring floral display.
Their creeping, sprawling habit of setting down roots also makes vinca minor a good choice for slopes, hillsides, and other areas where rainfall and water cause erosion. Because of their ability to root and spread, they can help hold the soil in place.
Common periwinkle is considered an invasive species in parts of the United States. Consult your local cooperative extension office before planting to learn the status of the plant in your area.
Vinca minor grows in partial sun, partial shade, and full shade. It tolerates deep shade conditions but may burn in direct sunlight. For best results, plant them in partial shade. Also, they are a good choice for a ground cover for an area with dry shade.
Vinca minor vines require good drainage. Space them about a foot apart if you want to fill in an area quickly. Achieving vigorous growth is usually not difficult for these plants. Indeed, the very fact that they grow so well can sometimes be a problem. They will thrive in soils rich in compost, but they will tolerate poorer soils.
While the plants will grow better in moist soils, its vines are pretty drought-tolerant once mature.
Temperature and Humidity
Although it is a long-lived plant, it can suffer from many diseases, especially in humid, wet climates. They are completely intolerant of frost, so if you want to bring them in for the winter, be sure to move the plants indoors when night temperatures drop down to about 50 degrees Fahrenheit.
Fertilizer gives vinca minor a boost, making its foliage a more brilliant green and may help produce more blooms. Fertilizing your vinca minor monthly with an evenly balanced fertilizer (equal parts nitrogen, phosphorus, and potassium) may be helpful if your soil lacks sufficiently rich organic matter, but it is not necessary since vinca minor does well in poor soil, too.
Propagating Vinca Minor
Vinca minor can be grown from seed, but it grows slowly. 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 vinca minor, take these easy steps:
- Dig all the way around the clump of the plant that you want to transplant and lift it up. The plants have shallow roots, so you will not have to dig too deep.
- Plant the division immediately at the same level it had been growing.
- Pat down the soil around the plant roots, then water thoroughly.
Common Pests & Plant Diseases
The vine is also susceptible to wilt and dieback, which is typically caused by fungal diseases. Vinca minor 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.
Is vinca minor easy to care for?
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.
How fast does vinca minor grow?
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.
What is the difference between vinca minor, vinca major (greater periwinkle), and Catharanthus roseus (Madagascar periwinkle)?