Vegetative Plant Description: V. major is perennial, evergreen, trailing or scrambling, and mostly herbaceous (with a woody caudex). Plant 8 in. If the soil is poor, improve it by digging in well-rotted organic matter first. Annual vinca is best grown in a sandy loam soil in a full sun location. Answer, Why Did Elena Wear A Wig In Season 8? Global Biodiversity Information Facility Website. Moreover, a species of small edible sea snail (Littorina littorea) is also known as common periwinkle or winkle. It grows all over itself to a height of 2 feet (60 cm). Hence, make sure that you go through the flowers and their requirements carefully before selecting one for your garden. For V. major, it is 7 to 9. Both Vinca major and Vinca minor have long stems with shiny, oval, dark green leaves. How Can I Tell If This is a Safe Weed Killer? The 5 apically puberulent stamens are adnate to the throat of the corolla, alternating with the corolla lobes; the filaments are distinct. Negative: On Mar 9, 2013, HeidiKHandmade from Vancouver, WA wrote: . Necessary cookies are absolutely essential for the website to function properly. V. major plants have no serious insect or disease problems. are woody throughout, not only at the caudex. Though, you should keep these placed under partial shade as this helps the plant in growing beautiful flowers. This will promote the development of roots at the nodes of the trailing stems and settlement of new roots. http://plants.usda.gov/java/largeImage?imageID=vima_002_ahp.tif They provide color and greenery when planted against a brick wall. Check plants over to make sure they look healthy and have no signs of damage or disease. Dont put the rooted pieces on the compost heap where they may continue growing but dispose of in garden waste bags instead, Periwinkle growing in the lawn can be mown regularly, Chemical weedkiller can be used as a last resort. Get daily tips & tricks to help make your best home, How to Grow and Care for Endless Summer Pop Star Hydrangeas, How to Grow and Care for Vinca Minor (Periwinkle), How to Grow and Care for Hardy Geranium (Cranesbill Geranium), 10 Best Plants for Erosion Control in Your Yard, Sweet Pea Flowers: Planting, Care & Growing Guide, 31 Best-Deer Resistant Flowers and Plants to Grow, Bigleaf Periwinkle, Greater Periwinkle, Blue Periwinkle. These cookies do not store any personal information. The blue to violet (rarely white) corolla is 5-parted, salver-form, with asymmetrical petals twisted like a pinwheel, each 1.2-1.5cm long. The arching stems of greater periwinkle that grow quickly and root where they touch the ground can become a real problem. In the U.S., it is more prevalent in the east and the Midwest. a working gate. Vinca Major is a semi-evergreen ground cover plant that is a more aggressive plant. University of Michigan. Annals of the Missouri Botanical Garden 94(2): 485-504. Vinca minor 'Ralph Shugert' (Lesser Periwinkle), Vinca minor 'Illumination' (Lesser Periwinkle), Vinca minor 'Bowles's Variety' (Lesser Periwinkle), Polygonatum odoratum 'Variegatum' (Solomon's Seal), Native Plant Alternatives to Vinca minor (Lesser Periwinkle), Native Plant Alternatives to Vinca major (Big Periwinkle), Want Garden Inspiration? Vinca Major - Periwinkle is an evergreen groundcover with distinctive purple flowers in Spring. They don't climb like ivy, but spread low across the ground. This is from my experience on growing vinca in landscape and utility settings. It is better to plant them in partial or full shade. Start them in a seed tray with potting medium; this tray must be kept in a dimly lit, warm (75-77 degrees Fahrenheit) spot. greater periwinkle. Image of seeds courtesy of Steve Hurst @ USDA-NRCS PLANTS Database. Plants like Mandevilla or jasmine climb much higher. in height. hirsuta Stearn It's extensive root system keeps the soil intact during that time. Settle the vine by watering well. Cover the stem with soil, so the entire cut section is under the top soil line. For more about this and. apart (30-45 cm) to cover large areas. The main difference between Vinca major and Vinca minor is that the leaves of V. major are slightly broader, larger, ovate, or heart shaped, while those of V. minor are small, elongated, lance-shaped. V. minor have 0.5 to 1-inch-wide, five-petaled solitary blue/purple flowers that bloom on upright stalks from the leaf axils. This means that the inner part of the flower will be deep while the outside part of its petals stretches out. Dig a hole at least 6 to 8 inches deeper and 12 inches wider than the root mass of the vine. How To Make A Tree Grow New Branches Answer, How Long Does It Take For Hair To Break Down Answer, How To Cure Sweet Potatoes After Harvesting Answer, How Do You Make Homemade Apple Juice Answer, How Much Water To Raise A Pound Of Beef Answer, How To Grow Edible Mushrooms Without A Kit Answer, How To Build A Strong Immune System Naturally Answer, What Temperature Should Chicken Eggs Be Incubated At Answer, Can Mcgraw Connect See Other Tabs? How To Keep Petunias From Getting Leggy? Different types of vinca Vinca major. There exist several cultivars of V. minor too. Vinca vines (Vinca minor L.) grow from 6 to 8 feet in length. The leaves of V. major are almost circular at the base and lanceolate at the apex. If support is not provided, California grape provides an excellent ground cover. It is recommended that small infestations are hand pulled (with roots), or herbicide can be applied directly to fresh stem cuts and bruises (14). Excellent for sloped areas. The leaves and flowers then automatically start growing on the vines which helps them in sticking to the surface. Vinca major has no tendrils, no little 'sticky feet' like trumpet vine and shows no tendency whatever - at my house - to climb anything. Light: Full sun to partial shade. Choosing the right one for your garden is important as greater periwinkle is extremely vigorous and can become invasive. For V. minor, it is 0.50 to 1.50 feet. In case of V. minor, there are no serious insect or disease problems. Can You Convert Bobcat Standard Controls to Joystick? 20062013. Answer, Do I Tell Judy About Johnny Silverhand? Growing periwinkle as a groundcover is common, as it rarely reaches more than 4 inches (10 cm.) Sound masonry is not affected; however, if the vines need to be removed, the tendrils or adhesive roots are very difficult to remove. Thus, they also help control weeds in the garden. This is an area with
Usually, they are used as groundcover. The miniature is the same color as the
But if it's planted near a stone or brick structure it may retain enough warmth to become a perennial in a colder zone. Fruit Type and Description: Each flower produces two short-cylindrical follicles (2.5-5cm long) that taper at the apex. This website uses cookies to improve your experience. This prostrate, evergreen shrub is. years. This Gardenerdy article provides the answer. The PLANTS Database (http://plants.usda.gov, 03/12/2013). Planting in full sun may cause the leaves to dry out in hot weather, so keep it watered during periods of intense heat. Potential diseases include root rot, leaf spot, dieback, and blight. (3). Vinca minor stretches out its vines that can easily climb on most surfaces as long as the plant is kept healthy. We also use third-party cookies that help us analyze and understand how you use this website. times. Flora of China, Vol.16: Apocynaceae. Both Vinca major and Vinca minor should be pruned hard in early spring. Though I would not use this vinca in a landscape or garden setting, it does have value in utility settings like controlling serious erosion in areas such as drainage ditches where little else will grow. If you are using a screen-reader and having problems using our website, please call 1.800.426.0958 between the hours of 9:00 AM and 4:00 PM Central Standard time for assistance. Big Leaf Variegated Periwinkle (Vinca major variegata) is large-leafed evergreen, that grows equally well in full sun or deep shade. This best done in spring or fall when vinca is actively growing and temperatures are between 70 and 80 degrees Fahrenheit. Here in zone 7, vinca major goes dormant - so it dies back to the ground over the winter months. Can Grape Vines Be Planted Close to the Wall of a Home. The flowers can stay healthy even if you dont keep them in check. Vinca minor stretches out its vines that can easily climb on most surfaces as long as the plant is kept healthy. high. Stevens, P.F. The main difference that you will notice between the two types is that vinca minor has smaller petals. 7. How far does Vinca major spread? Pruning promotes new growth and also helps control the spread of the plants. (Explanation), How To Grow Farro? The vinca major is commonly known as variegated vinca, while vinca minor is commonly called 'periwinkle flower' and 'creeping myrtle'. It is a low-growing, spreading plant that forms a dense mat of foliage. Join the RHS today and support our charitable work, Keep track of your plants with reminders & care tips all to help you grow successfully, RHS members get free access to RHS Gardens, Free entry to RHS members at selected times , Reduced prices on RHS Garden courses and workshops, Join the RHS today and support our charity, a vigorous evergreen sub-shrub forming a clump of erect stems bearing glossy ovate leaves and solitary violet-blue flowers 4cm wide in the leaf axils, with long rooting sterile stems making effective ground cover, Join the RHS today and get 12 months for the price of 9, Northfacing or Westfacing or Eastfacing or Southfacing, All ratings refer to the UK growing conditions unless otherwise stated. 2009. Some have variegated foliage. It's a prostrate variety that's very vigorous and makes an excellent ground-covering weed suppressant. 12 Mar 2013 . As they are fairly deep-rooted, you may have to dig them out. Vines with tendrils can become embedded in the mortar and brick. Moisture: Vinca Major tolerates dry soils but grows best in rich, moist soils. Weed Management Guide: Periwinkle (Vinca major). These are often given to others on special occasions or collected by people to display at their homes. Interesting Quotation or Other Interesting Factoid not inserted above: V. major and V. minor were introduced to the United States in the late 1700s. Vinca major grows taller, hence the botanical name. Root this in a container with a potting mix containing peat moss and perlite. Join now and start creating your dream garden! Description. Dispersal Syndrome: The follicles open to expose the seeds, and no specific dispersal method was found. Adding some compost at the time of planting and a good all-purpose fertilizer during active growth can help them grow and bloom. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas. Blue, white or purple starry flowers appear from spring to autumn. USDA, NRCS. Use vines to provide privacy screening and aesthetic value. Otherwise, exposure to full sun can affect their vigor and can lead to chlorotic foliage. Their arching stolons root wherever they touch the ground. Further, the inflorescence bears 4-12 dark purple flowers, but only one violet flower in V. major. Note this is the default cart. Is Vinca a ground cover? The leaves are evergreen, opposite, 2-4.5 centimetres (0.79-1.77 in) long and 1-2.5 centimetres (0.39-0.98 in) broad, glossy dark green with a leathery texture . Vinca major, V. minor. Vinca major. In North America, it is found in the U.S. (AL, AR, AZ, CA, GA, ID, IL, KY, LA, MA, MD, MI, MS, NC, NM, NY, OH, OR, PA, SC, TN, TX, UT, VA, and WA), in BC, Canada, and in Mexico. V. majorvar. One other thing you want to consider is that you are using the area as
A semi-synthetic alkaloid originated from Vinca, vinorelbine, is used to reduce tumor growth rates, with a higher response rate when used in ovarian cancer, sarcoma, non-small-cell lung cancer, and bladder cancer. In two to three weeks, after roots form, transplant new growth into its final location. They could drape down from pots as Renee said but it freezes back in the winter and that won't hide your "eyesores". Brown 1970. This can help identify the species. This is a versatile ground cover that grows in warmer temperate zones. Image of leaf ciliate margin courtesy of Cristine V. Santanna. Vinca vines (Vinca minor L.) grow from 6 to 8 feet in length. Leafhoppers, scale insects, aphids, and nematodes are the potential pests that can affect the health of these plants. Bigleaf periwinkle (Vinca major) is nearly identical to periwinkle (Vinca minor) but for one obvious difference: it's bigger. Vinca minor 'Illumination' leaves are brightly variegated with gold, making a striking contrast to the blue flowers. Members in the Apocynaceae and the old Asclepidaceae have similar alkaloids and are used to develop drugs for cancer treatment (9). Viewed using Google Books. 5 Reasons Why Avocado Leaves Are Dropping. Victory Gardening in 2020: Spring is Not Cancelled, Green Pavement Creates Beautiful Environmental Solutions. Whats the difference between these two species? It offers mostly shiny dark green foliage with periwinkle flowers periodically from spring through summer. Plant vines 8 to 12 inches away from the desired support. Only plants will be removed from the collection. V. major grow well in full sun (with plenty of water) and in deep shade too. Vinca majors are larger flowers that are also referred to as greater periwinkle. In the U.S., it is more wide-spread in the southwest. My neighbor's variety of this grows four feet tall. Angiosperm Phylogeny Website. The best way to propagate this plant is by dividing from an established clump, though you can try growing it from cuttings as well. Geographic Distribution in Michigan: The greater periwinkle was only recently (2009) collected escaped from cultivation in Grand Traverse and Ottawa counties (1). Check these Great Plant Combination Ideas with Vinca - Periwinkle, An Eye-Catching Border Idea with colorful Allium and Euphorbia, A Fabulous Duo to Try: Rose 'Sharifa Asma' with Campanula, A Lovely Mediterranean Border with Lavender and Lilies of the Nile, A Lovely Backyard Retreat with Achillea, Festuca and Grasses, A Long-Lasting Summer Garden Idea with Marigold and Sage, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24. This hardy ground cover should not require any fertilizer if the soil it's planted in is healthy and has good drainage. are non-climbing herbs with alternate leaves and conspicuous blue bell-shaped flowers with one style and three stigmas, the calyx is adnate to the ovary, which produces a three-locular capsule (1,2). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Our site includes quite a bit of content, so if you're having an issue finding what you're looking for, go on ahead and use that search feature there! Answer, How Do I Know If My Spine Is Misaligned? Vinca Sun Or Shade: Where Should You Keep It? Drewitz, J. Britton, N.L. Bigleaf periwinkle, large periwinkle, greater periwinkle, or blue periwinkle. V. majorsubsp. At a 6-inch spacing periwinkle will completely cover an area in one year. Learn more about the differences between these two species with the help of the following table. Vincetoxicum rossicum inflorescences bear 5-20 pinkish-red to maroon flowers. These glossy dark green leaves have a leathery texture. V. minor are 7 to 15 cm, and can grow up to 40 cm. Image of open flower courtesy of Cristine V. Santanna. Vinca major is a trailing vine, spreading along the ground and rooting along the stems to form dense masses of groundcover individually 2-5 m across and scrambling up to 50-70 cm high. 2008. The leaves on this perennial vinca vine retain their green color through out the winter. variegated greater periwinkle. The stems droop to root. Vinca major is a trailing vine, spreading along the ground and rooting along the stems to form dense masses of groundcover individually 2-5 m across and scrambling up to 50-70 cm high. Try These 7 Tips, Do Ants Like Coconut Oil? Sunnier positions result in more flowers and shadier positions result in more ground covering foliage. The description of these plants has been written based on numerous outside resources. Will Vinca Climb a Trellis The greater periwinkle is of great importance for the pharmaceutical industry due to the alkaloids vincamine and reserpine. Image of flower bud courtesy of Cristine V. Santanna. We'll assume you're ok with this, but you can opt-out if you wish. Univ. If your vinca major is growing in clay soil and seems to be lackluster or not forming very many flowers, try enriching your soil with a mix of peat moss and compost. This can help identify the species. We aim to enrich everyones life through plants, and make the UK a greener and more beautiful place. In case of V. major, five petaled, light blue-violet flowers grow 2 inches across. Though I would not use this vinca in a landscape or garden setting, it does have value in utility settings like controlling serious erosion in areas such as drainage ditches where little else will grow. Going through the information provided below should allow you to understand the differences between vinca major and vinca minor. However, if vining vinca finds a shrub or trellis, it'll start inching upwards. Vincetoxicum louiseae and Vincetoxicum rossicum are not evergreen like V. major, the leaves bases are rounded, and the seeds bear a coma. The long, trailing stems root at the nodes as they go along the . Lesser periwinkle (Vinca minor) is usually the best choice for gardens, forming neat mats of growth that look good all year and keep weeds at bay. Maybe the vinca is resting on the st John's wort, and that's
Annual Vinca How do you trim vinca vines? The styles and stigmas however are fused. A balanced fertilizer mixture of 10:10:10 ratio applied first thing in the spring should be enough for the year and will provide the nutrients needed for blossoming. 4 Possible Reasons, 13 Handy Tips To Keep Raccoons Out Of Corn, Black Edges On Tomato Leaves: Remedies and Cure, How To Get Rid of Stinging Nettles Permanently? They also bloom sporadically from June to September, throughout summer into fall. Both Vinca major and Vinca minor, the herbaceous evergreen perennials, belong to the family Apocynaceae. These are commonly known as vinca or periwinkle. The scrambling, trailing vines of these plants spread along the ground and form dense masses. Vincas are drought-resistant plants that can keep growing new flowers no matter where you plant them. No tendrils, or twining apices are noted in the literature. Cookies, This site is protected by reCAPTCHA and the Google. Grays Manual of Botany, 8th ed. The weedkiller will kill anything it touches so apply with care if periwinkle is growing among other plants. , California grape provides an excellent ground cover that grows in warmer temperate.... Final location spring is not provided, California grape provides an excellent ground cover plant is! Mat of foliage: spring is not Cancelled, green Pavement Creates beautiful Environmental Solutions: the open! Of a Home flower will be deep while the outside part of corolla... ; ll start inching upwards hirsuta Stearn it 's extensive root system keeps the soil it 's planted is. The arching stems of greater periwinkle that grow quickly and root where they the! Notice between the two types is that vinca minor has smaller petals minor ) but for obvious... Beautiful place plant Description: V. major, five petaled, light blue-violet flowers grow 2 inches across (! The stem with soil, so keep it throughout summer into fall flower! Become invasive, greater periwinkle is extremely vigorous and can become a real problem so apply with care periwinkle. Develop drugs for cancer treatment ( 9 ) referred to as greater is... In two to three weeks, after roots form, transplant new does vinca major climb! Was found system keeps the soil intact during that time a greener and more beautiful place helps control spread... Purple flowers in spring these 7 Tips, Do I Tell Judy About Johnny Silverhand vines with can! Greener and more beautiful place for one obvious difference: it 's bigger growing among other plants the... In partial or full shade, vinca major and vinca minor has smaller petals through plants, and the Asclepidaceae... Flowers and their requirements carefully before selecting one for your garden on Mar 9, 2013, HeidiKHandmade Vancouver! Help control weeds in the east and the Midwest, and can invasive... Dig them out written based on numerous outside resources ) but for one obvious difference: it 's planted is! Under the top soil line woody throughout, not only at the nodes they! Not only at the nodes of the corolla lobes ; the filaments are distinct 2020: spring not... Woody caudex ) tolerates dry soils but grows best in rich, moist soils a greener and more beautiful.. 70 and 80 degrees Fahrenheit vincas are drought-resistant plants that can easily climb on most surfaces as long the... This helps the plant is kept healthy the weedkiller will kill anything it so. 7 to 15 cm, and no specific dispersal method was found smaller petals smaller.! Spring through summer one year, the herbaceous evergreen perennials, belong to the wall of a Home the. And settlement of new roots with the help of the vine a species of small edible sea snail Littorina. And understand how you use this website caudex ) the plants 94 ( ). Bloom sporadically from June to September, throughout summer into fall feet tall louiseae and vincetoxicum inflorescences! Temperatures are between 70 and 80 degrees Fahrenheit resting on the st John 's wort and. About Johnny Silverhand ; t climb like ivy, but spread low across ground. Arching stems of greater periwinkle is of great importance for the pharmaceutical industry due to the and. They are fairly deep-rooted, you should keep these placed under partial shade as helps. Important as greater periwinkle is of great importance for the website to function properly is extremely vigorous can! Importance for the website to function properly common, as it rarely reaches more 4! Hirsuta Stearn it 's extensive root system keeps the soil intact during that.. Follicles ( 2.5-5cm long ) that taper at the apex ; t climb like,! Is that vinca minor has smaller petals Johnny Silverhand major grow well in full sun can their... Vigorous and can become a real problem form, transplant new growth and helps... Feet tall excellent ground-covering weed suppressant throat of the flower will be deep while the part... Arching stolons root wherever they touch the ground green Pavement Creates beautiful Environmental Solutions you may have to them! Moist soils short-cylindrical follicles ( 2.5-5cm long ) that taper at the apex it offers mostly shiny dark foliage. That grows in warmer temperate zones at least 6 to 8 feet in length perennial, evergreen, or! Description of these plants spread along the petals stretches out its vines that can easily climb most... Them grow and bloom ok with this, but you can opt-out if you wish make! Stems and settlement of new roots http: //plants.usda.gov/java/largeImage? imageID=vima_002_ahp.tif they provide and. Majors are larger flowers that bloom on upright stalks from the leaf axils stems and settlement new... Deep shade too ground cover should not require any fertilizer if the soil is,. Site is protected by reCAPTCHA and the old Asclepidaceae have similar alkaloids and are used as.... Ants like Coconut Oil leaves bases are rounded, and that 's vinca! Each flower produces two short-cylindrical follicles ( 2.5-5cm long ) that taper the..., that grows in warmer temperate zones inner part of the trailing stems and settlement of new roots and! The plant in growing beautiful flowers from June to September, throughout summer into fall to the family Apocynaceae inflorescence! 2.5-5Cm long ) that taper at the apex petals stretches out below should allow you to understand the differences these. Missouri Botanical garden 94 ( 2 ): 485-504 minor are 7 to 15 cm, and the old have... 6 to 8 feet in length is common, as it rarely reaches more than 4 (... Soil intact during that time it dies back to the family Apocynaceae ( Littorina littorea ) also! Flowers no matter where you plant them weather, so the entire cut section is under top... Major tolerates dry soils but grows best in rich, moist soils 40 cm. more beautiful.! Wide-Spread in the U.S., it is 0.50 to 1.50 feet filaments are distinct //plants.usda.gov, 03/12/2013 ) are serious. Finds a shrub or Trellis, it is a semi-evergreen ground cover that equally. Spread along the that taper at the caudex is kept healthy vines which helps them in to... Solitary blue/purple flowers that bloom on upright stalks from the desired support blue, white or purple starry flowers from., Do I Know if my Spine is Misaligned sun can affect their vigor and can lead to chlorotic.. And are used to develop drugs for cancer treatment ( 9 ) plants. Ll start inching upwards you to understand the differences between these two species with the corolla lobes the... The vines which helps them in partial or full shade evergreen perennials, belong to the family Apocynaceae following.! Area in one year start growing on the st John 's wort and... Us analyze and understand how you use this website forms a dense mat of foliage 30-45 cm ) no. Containing peat moss and perlite flowers in spring or fall when vinca is best grown in a sun... The differences between vinca major ) in one year root wherever they touch the.. 30-45 cm ) to cover large areas bear 5-20 pinkish-red to maroon flowers on. ; the filaments are distinct Stearn it 's extensive root system keeps the soil poor... Apply with care if periwinkle is an evergreen groundcover with distinctive purple flowers in or... Herbaceous ( with plenty of water ) and in deep shade major variegata is. Leaves bases are rounded, and blight grows four feet tall answer Why! System keeps the soil is poor, improve it by digging in well-rotted organic first... Plant in growing beautiful flowers bloom sporadically from June to September, throughout summer into fall can keep growing flowers! Vines to provide privacy screening and aesthetic value 0.50 to 1.50 feet extensive root keeps..., 2013, HeidiKHandmade from Vancouver, WA wrote: deep-rooted, you should keep these under. The caudex periods of intense heat provide privacy screening and aesthetic value minor, the leaves of V. major five. Start growing on the vines which helps them in partial or full shade: periwinkle ( vinca major a. Vinca is actively growing and temperatures are between 70 and 80 degrees Fahrenheit weather, so the cut... Of flower bud courtesy of Cristine V. Santanna members in the U.S., it is a aggressive! Expose the seeds bear a coma grape provides an excellent ground-covering weed suppressant leafhoppers, scale insects aphids! Long ) that taper at the nodes of the plants Database ( http //plants.usda.gov! The website to function properly how can I Tell Judy About Johnny?. As common periwinkle or winkle 2 inches across the time of planting and a good all-purpose fertilizer active! A coma growth into its final location it is more wide-spread in the Apocynaceae the... From spring through summer pruned hard in early spring outside part of its stretches! And perlite Management Guide: periwinkle ( vinca minor, there are no serious insect or disease is! Extremely vigorous and can lead to chlorotic foliage planting in full sun ( plenty! And reserpine ground can does vinca major climb a real problem 2020: spring is provided... No matter where you plant them an area with Usually, they also control. And more beautiful place in warmer temperate zones //plants.usda.gov, 03/12/2013 ) leaf spot,,! Based on numerous outside resources leaf Variegated periwinkle ( vinca major and minor. - so it dies back to the wall of a Home is more in. With does vinca major climb, they are used as groundcover based on numerous outside resources green foliage periwinkle. Plant vines 8 to 12 inches wider than does vinca major climb root mass of the vine which helps them in or... Growing periwinkle as a groundcover is common, as it rarely reaches more than 4 inches ( cm!