What kind of soil does vinca like?

Asked By: Ayla Bremen | Last Updated: 20th June, 2020
Category: home and garden landscaping
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Planting Perfection
Vincas are fans of acidic soil, and their ideal soil pH level is around 5.5. Vincas survive droughts well but don't like wet soil, so give them a home in loamy or sandy soil that drains well. Space your plants 10 to 12 inches apart to promote airflow and minimize the risk of fungus.

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Consequently, does vinca like acidic soil?

Vinca performs best in acidic soil with a pH of 5.4 to 5.8. An alkaline soil with a pH above 6.0 may cause the leaves to turn yellow. A soil test, available at most garden centers, can determine the pH of your soil.

Subsequently, question is, what type of soil does periwinkle like? It is also called lesser periwinkle or creeping myrtle. Although it prefers rich, slightly moist soil, it tolerates a wide range of conditions, including clay, alkaline soils and drought. Periwinkle has shallow, spreading, fibrous roots that hold soil in place. Use it on slopes or to prevent soil erosion.

Correspondingly, how do you care for vincas?

Annual vinca is drought tolerant but does best if you water the plants whenever the top inch or so of the soil feels dry to the touch. Take care not to overwater this plant; it's easily susceptible to root rot. Keep potted vinca blooming well by fertilizing regularly with any general-purpose garden fertilizer.

Can Vinca be planted in pots?

The two most common garden and potting plants given the familiar name periwinkle, Vinca minor and Vinca major, have similar care needs. Both can be grown in the ground as ground cover or in pots as a low-growing and trailing plant that accentuates taller pot plants.

39 Related Question Answers Found

What is the difference between vinca and impatiens?

Vincas thrive in the hot sun, but impatiens wilt in heat. In fact, impatiens are commonly planted because they bloom best in partial or even full shade. If your plant is thriving in the shade, it is likely an impatiens. If it is flourishing in the hot sun, it is probably a vinca.

Why do my vincas keep dying?

Vincas, or periwinkles, can be infected with a fungal disease called aerial phytophthora. The disease spreads when the fungal spores in the soil are splashed on the plants when you water or when it rains. If rains or overwatering continues, the fungus can spread to the base of the plant and it can die.

How often should 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.

Is vinca and periwinkle the same thing?

Periwinkle is the common name for this pretty plant that belongs to the dogbane or Apocynaceae family. The common, sun-loving vinca has the genus name catharanthus. Vinca major and vinca minor are shade-loving ground covers, and vinca vine is a trailer with variegated leaves often used in window boxes and containers.

How long do Vinca plants last?

And lisianthus is one of the best cut flowers—it will last in the vase for 2 to 3 weeks. Lisianthus can be challenging to grow. They're extremely tricky to grow from seed, so start with established seedlings. Plant them in rich, well-drained soil in full sun after all danger of frost has passed.

Does Vinca need fertilizer?

Annual vinca grows well in hot, sunny locations and blooms throughout the growing season. It can tolerate even relatively poor soils and dry conditions, but the National Garden Bureau recommends fertilizing once a month with water-soluble or granular fertilizer.

Does Vinca stay green in winter?

The leaves on this perennial vinca vine retain their green color through out the winter. Perennial vinca (called vinca major and minor) are trailing evergreen vines. They don't climb like ivy, but spread low across the ground.

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.

Does Vinca die in 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 Vinca be cut back?

Prune creeping vinca in the winter or very early spring for the best results. Avoid pruning vinca minor during May and June while it's in bloom to keep from losing the colorful blossoms before they die a natural death. A straggly appearance indicates that it's time to prune vinca minor and restore it to a bushy state.

Will 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.

Do Vinca plants spread?

Vinca spreads fairly quickly through runners underground, but weed suppression until establishment is important because it is difficult to pull or spray weeds growing within the dense mat of periwinkle foliage.

Do Vinca need full sun?

Light Requirements
Both greater and lesser periwinkle will grow in full sun, but they prefer some shade. Vinca major prefers to grow in partial shade but will even tolerate deep shade. The light conditions in which vinca grows, however, affect the performance of the plant.

Is Periwinkle poisonous to humans?

Periwinkle. Periwinkle (Vinca major and Vinca minor) is a mildly poisonous plant. Vinca has been used to treat high blood pressure and control excessive bleeding, but overdose results in hypotension (low blood pressure), which can cause collapse.

Why are my vincas not blooming?

In some cases though, a plant needs to go through a cold period to provoke flowering. Nutrient imbalance – Too much nitrogen can result in lush, green growth but too much can also reduce flowering. Too little phosphorus can also be the cause for plants not flowering. Improper pruning – Pruning is another factor.

How big does Vinca get?

Annual vinca commonly grows 8 to 12 inches tall, but some varieties can reach a height of 18 inches. Plant spread is typically 12 to 18 inches. Annual vinca produces 1- to 2-inch-diameter flowers above glossy, dark green foliage.