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Leave no ground uncovered with the mighty periwinkle! This vigorous trailing plant can easily tackle any tricky shady situation and happily cover your planting space. With its glossy evergreen leaves and cheerful blue star-like flowers, it can really brighten up a shady corner in your garden.
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Part Sun, Shade, Sun
From 6 inches to 3 feet
garden plans for Periwinkle
It seems like every garden has that tricky dark corner where no grass will grow and where perennials fizzle out. Enter periwinkle. This tough-as-nails shade plant seems to laugh in the face of adversity and look more and more lush, year after year. With its vigorous vining habit, periwinkle can easily colonize any area. In some places, that can be a problem. In more harsh northern climates, periwinkle is not quite invasive, but in places like California with mild climates, these plants can quickly take over a garden. No matter where you are, it's best to stay on top of them in case they need to fit within some bounds. See more drought-tolerant groundcovers.
As these vines grow, they have a knack for laying down roots wherever their stems come in contact with soil. This makes them a great option for preventing weeds from growing between their dense mats of foliage. However, it also means these plants can spread indefinitely. As long as you catch them early, they are easy enough to pull up as they spread, and they certainly don't mind a good haircut every now and then. Cutting the plants back also encourages new growth, which is much brighter and shinier than the old leaves and is a nice spot of color in dark areas. Periwinkle works great as a rock garden plant, too!
Periwinkle Care Must-Knows
Overall, these plants are pretty tough and grow in almost any situation. Depending on which type of periwinkle you are looking to grow, the conditions may vary slightly. Ideally, soil conditions are humus-rich and have good moisture. They'll also grow in something harsher, though it might slow them down. These plants prefer part sun, but they'll take what they can get and grow just fine in almost anything from full sun to full shade.
If you are nervous about invasiveness, keep an eye on your plants. Remove any runners that go into unwanted territory. You can also shear your plants back to give them a nice flush of new growth and keep them a little tamer.
Minor or Major
Most commonly, the periwinkle you will find is Vinca minor. This is the hardier and smaller plant of the two main species—minor in Latin simply means smaller. The other species commonly found is Vinca major. As you may guess, major means bigger. Vinca major is an overall larger plant, with bigger leaves, flowers, and habit. However, Vinca major is less hardy and is therefore less often seen, especially in northern climates, or it is treated as an annual vine.