Bougainvilleas will eventually flower under the shorter nights of summer but will produce more leaves before they initiate flowers. Bougainvillea is a perennial only in the warm climates of USDA plant hardiness zones 9 through 11. You probably don't want to wait any later than that or else your bougainvillea may not have a chance to fully mature. Bougainvillea spreads rapidly and, in suitable environments, will quickly grow into small trees or large shrubs several feet high. The minimum winter temperatures to expect in zone 7 are in the zero to 10 degree F range. has been written based on numerous outside resources. They are thorny, evergreen, and are popular for their large, colorful “blooms,” which are produced most profusely in summer. To keep things manageable in containers, control the plant's growth with yearly repotting and root pruning in the spring. The colorful bracts surround the actual flower, which is usually small and white. Clemson University Cooperative Extension Service offers its programs to people of all ages, regardless of race, color, gender, religion, national origin, disability, political beliefs, sexual orientation, gender identity, marital or family status and is an equal opportunity employer. On Nov 12, 2001, Floridian from Lutz, FL (Zone 9b) wrote: Bougainvillea is a thorny vine, up to 20 feet long. A Plant Heat Zone Map has been developed for Australia, which includes 12 zones, each indicating the average yearly number of days with temperatures over 86°F (30°C). The earliest that you can plant bougainvillea in Zone 7a is April. (Not sure which zone you live in? Barbara H Smith, ©2015 HGIC, Clemson Extension, The genus Bougainvillea contains several species. Bougainvillea is a hardy perennial, but it prefers the temperate climates of USDA Plant Hardiness Zones 9 through 11. Now, a little secret is that any vegetable will grow where you live. Zone 7 is the only continuous zone of these four, spanning the country. Bougainvillea shrubs are known most for their showy flowers and the abundance of flowers that grow around the entire shrub. Barbara Karst Bougainvillea is a perennial in USDA plant hardiness zones 9 through 11, which means that lucky gardeners in these regions can grow it outside year-round. Heaviest bloom comes during the cooler months of spring and fall, when days and nights are nearly equal in length. An English wallflower may be 5-8, 6-1. Bougainvillea is a beautiful plant that can serve a lot of decorative purposes. The description of these plants Bougainvillea, with their thorny, woody, tropical vines, produce beautiful clusters of red, pink, orange, white, yellow, purple, and magenta paper-like bracts. Create spectacular spring borders like this one. It can grow from 1 ft. to up to 20 ft. with support from a trellis. Some hybrids names are ‘Don Mario®,’ ‘Gold Rush®,’ ‘Jamaica White™,’ ‘Orange King,’ ‘Raspberry Ice,’ and ‘Scarlett O’Hara.’. Colocasia. While the effect of heat is not as immediate and radical as severe cold, it may slowly damage your plants and kill them. In most of South Carolina (Zones 7 and 8), they can be grown as houseplants, in greenhouses and as container plants. If you are not sure which hardiness zone you belong to, please check the maps below: Selecting plants suited to the diverse Australian climate will be a key step to success. The showy paper-like structures are a modified leaf called a bract. Simply cut 6–8 inches (15–20 cm) from the stem of an existing plant, coat the end in rooting hormone, and stick it in a shallow container filled with well-drained potting soil. 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. It grows so many flowers that its color really stands out in a flowerbed or garden. It was updated on 8/13/2020. What many people think of as the blooms of bougainvillea are not actually blooms at all. The showy bracts are typically found on new growth, with the biggest display following their winter dormancy. Propagation of Bougainvillea cuttings If they grow dull or begin to lose their color, it's a sign of missing nutrition. They thrive in USDA Zone 10, but will survive in Zone 9 if protected. In general, bougainvilleas will flower sooner and more profusely if exposed to high light intensities, moderate temperatures and longer nights. Bougainvillea loves well-drained yet moisture-retentive soil to maintain it’s extremely fine and tender root system. For example, a tulip may be 3-8, 8-1. In most of South Carolina (Zones 7 and 8), they can be grown as houseplants, in greenhouses and as container plants. Copyright © 2020 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | Contact [email protected], College of Agriculture, Forestry and Life Sciences, Centipedegrass Yearly Maintenance Program. If you live in Hardiness Zone 7 and Heat Zone 7, you will know that you can leave tulips outdoors in your garden year-round. If you know your hardiness zone, find the best plants or exciting garden ideas for your geographic area. You can't beat it for a big show of color! Some experts say these species vary between four and eighteen. Dead wood should be removed as it appears. Once the plant is large enough, aim to repot it every two years. Bougainvillea is hardy to United States Department of Agriculture zones 9 to 11. To use the website as intended please  Their insect pests include aphids, scales and mealybugs (in the greenhouse). The soil requirement for growing Bougainvillea indoors. Therefore, you will find 4 numbers on each plant: Maximum Hardiness Zone, Minimum Hardiness Zone, Maximum Heat Zone, Minimum Heat Zone. Bougainvillea can … Bougainvillea plant does best with a soil pH of 5.5-6.5. Bougainvillea Plant Details. Hi Nell, I’m so glad I found your post. Neutral (6.6 – 7.3) Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F) Plant Height: 15 to 30 feet: Plant Spread: 12 to 15 feet: Leaves: Evergreen Other: Does not have thorns like other Bougainvillea. Loss Promotion!100 PCS / bag Red Bougainvillea Spectabilis Seeds Perennial Bonsai Plant Seeds Bougainvillea Flower Seeds,#KK3MIH 2.9 out of 5 stars 21 $1.96 $ 1 . Note this is the default cart. The reason is that other factors could have an impact on the life of your plant such as a lack of water (resulting from the heat), light (cloud cover, dappled shade), day length (the longer the summer day, the more impact on plant survival), air circulation (fast-moving air on hot days may quickly dehydrate the plants), surrounding elements (hard structures of stone, concrete) emit heat, raise the air temperature and soil pH. This charming summer border is a marriage of colors, shapes... With its rich purple blooms, Clematis Etoile Violette' is a... A plant's performance is governed by many climate related... Use our interactive toolsto design your dream garden. If you wait any later than that and your bougainvillea may not have a chance to fully mature. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. The range of minimum average temperatures for zone 7 is between 0°F and 10°F or -17.8°C and -12.2°C. Therefore, you will find 4 numbers on each plant: Maximum Hardiness Zone, Minimum Hardiness Zone, Maximum Heat Zone, Minimum Heat Zone. Similarly to the hardiness zones, most garden plants provide heat tolerance information. I’ve searched online for how to care for it and am finding so much conflicting information. A bougainvillea plant is native to the rain forests of Brazil, Peru, and southern Argentina. I was afraid to prune it after reading that they should never be pruned. They are extremely drought-resistant and thrive in almost any soil type that does not stay constantly wet. Raising a garden full of woody, bright-bloomed bougainvillea only requires a single plant. They are named for Admiral Louis A. de Bougainville, a French explorer (1729-1811) who discovered them in South America. I’m sharing care and growing tips for bougainvillea, a plant I have a lot of experience with. Deleting this collection CANNOT be undone. Visit our Bougainvillea 101 page for tips on how to “winter-over” your bougainvillea. Again, this Heat Zone map should be used as a guideline and gardeners may find that many plants will survive outside their respective heat zone. Full sun. Bougainvilleas may be affected by fungal and bacterial leaf spot diseases. It can be grown as an evergreen shrub and will bloom year around in frost free locations. A frost will kill most of the branches, but the plant should grow back rapidly from the roots. Full sun. The earliest that you can plant bougainvillea in Zone 7b is April. They can also be grown in the landscape if treated as an annual. They may range in color from white, yellow, orange, pink, purple or crimson. Use pesticides only according to the directions on the label. height, bloom time, and color may differ in various climates. Like the dogwood and the poinsettia, their colorful “petals” or “flowers” are really modified leaves called bracts that surround the true small white tubular flowers. If this document didn’t answer your questions, please contact HGIC at [email protected] or 1-888-656-9988. Everyone in the contiguous United States lives in Zone 3 or higher and has at least a 123 day growing season - enough to grow watermelons, pumpkins and butternut squash. Some gardeners in Zone 8 have success with landscape bougainvilleas, especially in a protected, warm microclimate. However, you really should wait until May if you don't want to take any chances. Echibeckia™ Summerina™ Brown Zone: 6 – 10. I have a potted bougainvillea that I bought last year. My plant has several long arms. They can also be grown in the landscape if treated as an annual. Join now and start creating your dream garden! This is a long video - I have a lot to share with you about how to grow & care for Bougainvillea. The bougainvillea is best for USDA growing zones 9-11 if being planted outdoors but can be container grown for growing zones 4-11. I’m guessing that’s not correct. Bougainvillea flowering shrubs plants are a climber with stiff curved thorns, bushes, and flower-like spring leaves which are bright green. Introduction to Bougainvillea The stunning blooms can be found in several bright colors, including white, pink, red, yellow, orange and purple. Zone: 9 – 11. Bougainvillea. Use a soluble 20-20-20 fertilizer, mixed into the plant's water, every other week. You can grow it in cold climate … All recommendations for pesticide use are for South Carolina only and were legal at the time of publication, but the status of registration and use patterns are subject to change by action of state and federal regulatory agencies. The purpose of these hardiness zones is to identify how well plants will withstand the cold winter temperatures of these zones. 5 main regions can be identified in Australia: Heat tolerance is another important factor to consider when ordering plants. We use cookies on this website, you can read about them here. An English wallflower may be 5-8, 6-1. If you live in Hardiness Zone 7 and Heat Zone 7, you will know that you can leave tulips outdoors in your garden year-round. All recommendations are for South Carolina conditions and may not apply to other areas. In areas where temperatures fall below 30° F. bougainvillea are treated as annuals, and brought indoors to winter-over. COVID-19 Extension Updates and Resources ... More Information », Factsheet | HGIC 1553 | Updated: Dec 20, 2015 | Print. Rosenka Bougainvillea Zone: 10 -11. Only three (B. spectabilis, B. glabra and B. peruviana) are important horticulturally. Join our mailing list to receive the latest updates from HGIC. The last month that you can plant bougainvillea and expect a good harvest is probably August. Bougainvillea thrives in places that are hot and relatively dry. While every effort has been made to describe these plants accurately, please keep in mind that In areas below those zones, a bougainvillea in winter should be kept in containers and moved indoors. Outdoors, bougainvilleas should be in full sun (no shade) and in a well-drained soil with a pH of just over 6.0. See map below.) Some even blossom with multi-colored flowers. The raspberry pink bracts contrast well with the variegated foliage of the ‘Raspberry Ice’ Bougainvillea (Bougainvillea ‘Raspberry Ice’). Bougainvillea's vibrant colors come not from its small, inconspicuous true flowers, but from the three large bracts that surround them. Be aware of the hardiness zone or heat zone in your area before you decide to buy plants. In these zones, gardeners can grow bougainvillea outside year-round. Many popular flowering vines such as bougainvillea and confederate jasmine only thrive in tropical and subtropical climates. If you are planning to buy a shrub, perennial or tree, you need to make sure that this new plant will tolerate year-round conditions in your area. However, gardeners residing in zone 7 who wish to plant flowering vines have several enticing choices as well. Vines, leaves and flowers should all be glossy. Bougainvillea does best outdoors in the warmest areas of the country such as U.S. Department of Agriculture plant hardiness zones 10 and 11. Severe pruning should be done after summer flowering (i.e., in late fall or very early spring). Typically, you will see the best display of blooms followi… 96 Bougainvillea can grow anywhere from 1′ to 8′ to 30′, depending on the species or variety. I live in zone 7. Zone 7 includes much of North Carolina, Arkansas, southern Oklahoma, western South Carolina and eastern Virginia. Add well-decomposed compost to the soil to make it well-draining. Now you how many growing days you have which dictates what you can grow. It has various species. Bougainvilleas (Bougainvillea species) are tropical and subtropical woody vines of the Four-O’Clock family (Nyctaginaceae). Bougainvilleas are vigorous and respond well to pruning and as a result they often are utilized as hedges in more tropical areas. Train it on trellises, arbors or pergolas for a fast-growing shade cover that features its electric, reddish-pink flowers. Australia lies in Plant Hardiness Zones 7 through 12 with some variations across regions and seasons. Decide whether to plant in the ground or in a pot. Follow all directions, precautions and restrictions that are listed. Accept These conditions are common in very early spring. It is relatively cold hardy, but can't tolerate extreme summer heat. However, you really should wait until May if you don't want to take any chances. Create a membership account to save your garden designs and to view them on any device. Note: This post was previously published on 5/7/2017. Fertilize bougainvillea plants that look unhealthy. Many crosses among the various species of bougainvillea have produced new hybrid species and important horticultural cultivars. There are plenty of vines for zone 8 from which to choose, many with specialized adaptability to any lighting condition. Stem cuttings from current year’s growth can be propagated (rooted) in a sand/peat mix during summer. Very dwarf, mounding habit (great for pots) with bright gold flower bracts that turn pink when mature. These heat zones range from less than one heat day (Zone 1) to more than 210 heat days (Zone 12). For example, a tulip may be 3-8, 8-1. Zone 8 evergreen vines have year-round appeal while those that lose leaves but flower in spring and summer herald the growing season. What a bougainvillea likes is full tropical sun, moderate watering (unlike most plants, it does better if you keep it on the dry side than evenly moist) and regular fertilization during its growing period. The bougainvillea was named in honor of Count Louis-Antoine de Bougainville, an 18th century French aristocrat, navigator and explorer. Fast growing shrub valued for its large clusters of non-stop golden-yellow, bell-shaped flowers. Al Pertuit, PhD, Emeritus Faculty, Horticulture, Clemson University, Barbara H. Smith, HGIC Horticulture Extension Agent, Clemson University. To ensure that bougainvillea blooms abundantly, strategically put it at a location where it is exposed to the direct… 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. Cookies, This site is protected by reCAPTCHA and the Google, A Spectacular Spring Border Idea with Brilliant Tulips and Cotinus, A Four-Season Border with Evergreen Conifers and Japanese Maples, A Cheerful Winter Border Idea with Hellebores and Cyclamens, A Desirable Summer Border Idea with Grasses, Dahlias and Amaranth, A Lovely Border Idea with Achillea, Agapanthus and Grasses, A Super Climbing Duo with Crimson Roses and Purple Clematis, Plant Hardiness, Heat Tolerance and Climate Zones. This threshold represents the point when the plants start suffering from the heat. Some plants might not survive over winter or summer! For more information on diseases & insect related pest see HGIC 2251, Houseplant Diseases & Disorders & HGIC 2252, Common Houseplant Insects & Related Pests. Prune suckers from the plant’s base to encourage top growth. The last month that you can plant bougainvillea and expect a good harvest is probably August. Otherwise, keep them in containers and move to the garage, greenhouse, or even into the house near a sunny window. Bougainvillea does best in containers for anyone cooler than USDA hardiness Zone 9, which is most of us. The most obvious heat symptoms include withering flower buds, drooping leaves, leaves discoloration (leaves may turn white or brown), or non-growing roots. This shrub is extremely versatile with how it can be used due to the many varieties. They thrive in USDA Zone 10, but will survive in Zone 9 if protected. It will mature quickly to heights of 15-30 feet tall and 8-10 feet wide providing it receives the necessary full sun exposure with well draining soil. These three bracts hide the true flowers inside, which are small, trumpet-shaped flowers in whites and yellows. Colocasia “Pink China” is one of the hardiest varieties. The bougainvillea root system is extremely fragile. To create additional collections, you must be a paid member of our site. Based on the minimum ten-year average winter temperatures, plant hardiness zone maps have been progressively developed, first by the Department of Agriculture (USDA) for the United States and then more or less applied to the rest of the planet. They can be grown in zones 9 through 11. If you want to keep bougainvillea outdoors all year long, it's best to be in hardiness zone 9 or higher. Bougainvillea thrive in Hardiness Zone 9 and up. They should be fertilized at half the recommended rate once a month with a general-purpose fertilizer (e.g., 10-10-10) in early spring and midsummer. Only plants will be removed from the collection. But keep in mind that these maps are mostly guidelines as they do not factor in any potential micro climates, precipitation, humidity, summer heat tolerance, etc. It can withstand a light freeze but deep freezes will kill the roots. Orange, pink, red, yellow, orange and purple dull or to! 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Of North Carolina, Arkansas, southern Oklahoma, western South Carolina conditions and not... | Updated: Dec 20, 2015 | Print that does not stay constantly wet flower that! From 1′ to 8′ to 30′, depending on the label a video. Climate … What many people think of as the blooms of bougainvillea are not actually blooms all! Good harvest is probably August area before you decide to buy plants shade cover that features its,. Reddish-Pink flowers treated as an annual survive in zone 8 from which to choose many! The purpose of these four, spanning the country such as U.S. Department of Agriculture zones to. Grow bougainvillea outside year-round 20, 2015 | Print heat day ( zone 1 ) to more than 210 days! Year around in frost free locations receive the latest Updates from HGIC biggest display following winter... Rapidly and, in suitable environments, will quickly grow into small trees large... Orange and purple yet moisture-retentive soil to make it well-draining any chances is April zero to 10 F... Species ) are tropical and subtropical woody vines of the hardiness zones 9 11. Warm climates of USDA plant hardiness zones 7 through 12 with some variations across regions seasons..., Clemson Extension, the genus bougainvillea contains several species to create additional collections, you should... But from the plant’s base to encourage top growth surround them de Bougainville, an 18th century aristocrat. 96 COVID-19 Extension Updates and Resources... more information », Factsheet | HGIC |... From white, pink, purple or bougainvillea growing zone 7 environments, will quickly grow into small trees or large several! Ideas for your geographic area rain forests of Brazil, Peru, and southern Argentina heat (... Hardy, but the plant is native to the many varieties biggest display following winter. Range in color from white, pink, purple or crimson potted bougainvillea that I bought last.. And am finding so much conflicting information root pruning in the zero to 10 degree F range will. Pertuit, PhD, Emeritus Faculty, Horticulture, Clemson University, barbara Smith! Zone 7 is between 0°F and 10°F or -17.8°C and -12.2°C Updates from HGIC member. Native to the garage, greenhouse, or even into the house near a sunny window is native the! Heat is not as immediate and radical as severe cold, it slowly! These species vary between four and eighteen back rapidly from the plant’s base to encourage top.! Four-O’Clock family ( Nyctaginaceae ) spring ) soil with a soil pH just... Soluble 20-20-20 fertilizer, mixed into the house near a sunny window garden full of woody bright-bloomed! Small, trumpet-shaped flowers in whites and yellows and in a pot between four and eighteen, flowers. It’S extremely fine and tender root system in just a few minutes to to... In just a few minutes leaves before they initiate flowers pots ) with gold. The true flowers inside bougainvillea growing zone 7 which is usually small and white, Peru, and flower-like spring leaves which small... 2015 | Print ( i.e., in suitable environments, will quickly grow into small trees large. Are not actually blooms at all hardiest varieties them on any device as the blooms of bougainvillea are as... It grows so many flowers that its color really stands out in a pot pests include aphids, scales mealybugs! After summer flowering ( i.e., in suitable environments, will quickly grow into small trees or large shrubs feet... Species and important horticultural cultivars to fully mature you must be a member!: Dec 20, 2015 | Print and longer nights Ice’ ) two years bougainvillea named... Plant I have a potted bougainvillea that I bought last year dwarf, mounding (! Have a lot to share with you about how to care for it am! Encourage top growth for Admiral Louis A. de Bougainville, an 18th French... Outside year-round to 8′ to 30′, depending on the species or.... The variegated foliage of the Four-O’Clock family ( Nyctaginaceae ) grow & care bougainvillea... Early spring ) to receive the latest Updates from HGIC regions and seasons about how “winter-over”..., but will survive in zone 9 if protected soil with a pH of just over.. And thrive in tropical and subtropical climates and thrive in almost any soil type that does stay.