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. 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. I was afraid to prune it after reading that they should never be pruned. Bougainvillea. Use a soluble 20-20-20 fertilizer, mixed into the plant's water, every other week. A bougainvillea plant is native to the rain forests of Brazil, Peru, and southern Argentina. Bougainvillea flowering shrubs plants are a climber with stiff curved thorns, bushes, and flower-like spring leaves which are bright green. The most obvious heat symptoms include withering flower buds, drooping leaves, leaves discoloration (leaves may turn white or brown), or non-growing roots. 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). 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. The earliest that you can plant bougainvillea in Zone 7a is April. If you wait any later than that and your bougainvillea may not have a chance to fully mature. Zone 8 evergreen vines have year-round appeal while those that lose leaves but flower in spring and summer herald the growing season. Zone 7 is the only continuous zone of these four, spanning the country. Copyright © 2020 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | Contact UsHGIC@clemson.edu, College of Agriculture, Forestry and Life Sciences, Centipedegrass Yearly Maintenance Program. Vines, leaves and flowers should all be glossy. You can't beat it for a big show of color! 5 main regions can be identified in Australia: Heat tolerance is another important factor to consider when ordering plants. 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. Stem cuttings from current yearâs growth can be propagated (rooted) in a sand/peat mix during summer. What many people think of as the blooms of bougainvillea are not actually blooms at all. It can be grown as an evergreen shrub and will bloom year around in frost free locations. They can also be grown in the landscape if treated as an annual. Now you how many growing days you have which dictates what you can grow. Otherwise, keep them in containers and move to the garage, greenhouse, or even into the house near a sunny window. It is relatively cold hardy, but can't tolerate extreme summer heat. In general, bougainvilleas will flower sooner and more profusely if exposed to high light intensities, moderate temperatures and longer nights. Many crosses among the various species of bougainvillea have produced new hybrid species and important horticultural cultivars. See map below.) You probably don't want to wait any later than that or else your bougainvillea may not have a chance to fully mature. 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. Iâm sharing care and growing tips for bougainvillea, a plant I have a lot of experience with. There are plenty of vines for zone 8 from which to choose, many with specialized adaptability to any lighting condition. 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. To keep things manageable in containers, control the plant's growth with yearly repotting and root pruning in the spring. Accept This threshold represents the point when the plants start suffering from the heat. has been written based on numerous outside resources. The last month that you can plant bougainvillea and expect a good harvest is probably August. These three bracts hide the true flowers inside, which are small, trumpet-shaped flowers in whites and yellows. Note this is the default cart. It grows so many flowers that its color really stands out in a flowerbed or garden. On Nov 12, 2001, Floridian from Lutz, FL (Zone 9b) wrote: Bougainvillea is a thorny vine, up to 20 feet long. An English wallflower may be 5-8, 6-1. Therefore, you will find 4 numbers on each plant: Maximum Hardiness Zone, Minimum Hardiness Zone, Maximum Heat Zone, Minimum Heat Zone. In most of South Carolina (Zones 7 and 8), they can be grown as houseplants, in greenhouses and as container plants. They are thorny, evergreen, and are popular for their large, colorful “blooms,” which are produced most profusely in summer. It was updated on 8/13/2020. The colorful bracts surround the actual flower, which is usually small and white. They thrive in USDA Zone 10, but will survive in Zone 9 if protected. Full sun. Decide whether to plant in the ground or in a pot. The bougainvillea root system is extremely fragile. Outdoors, bougainvilleas should be in full sun (no shade) and in a well-drained soil with a pH of just over 6.0. Hi Nell, Iâm so glad I found your post. While every effort has been made to describe these plants accurately, please keep in mind that Heaviest bloom comes during the cooler months of spring and fall, when days and nights are nearly equal in length. The showy paper-like structures are a modified leaf called a bract. Very dwarf, mounding habit (great for pots) with bright gold flower bracts that turn pink when mature. Add well-decomposed compost to the soil to make it well-draining. 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. Join now and start creating your dream garden! Echibeckia⢠Summerina⢠Brown Zone: 6 â 10. Colocasia. Introduction to Bougainvillea Full sun. The description of these plants The soil requirement for growing Bougainvillea indoors. Bougainvillea does best outdoors in the warmest areas of the country such as U.S. Department of Agriculture plant hardiness zones 10 and 11. COVID-19 Extension Updates and Resources ... More Information », Factsheet | HGIC 1553 | Updated: Dec 20, 2015 | Print. In most of South Carolina (Zones 7 and 8), they can be grown as houseplants, in greenhouses and as container plants. Australia lies in Plant Hardiness Zones 7 through 12 with some variations across regions and seasons. Bougainvillea can grow anywhere from 1â² to 8â² to 30â², depending on the species or variety. Use pesticides only according to the directions on the label. Now, a little secret is that any vegetable will grow where you live. However, gardeners residing in zone 7 who wish to plant flowering vines have several enticing choices as well. Bougainvillea, with their thorny, woody, tropical vines, produce beautiful clusters of red, pink, orange, white, yellow, purple, and magenta paper-like bracts. If this document didnât answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. These conditions are common in very early spring. Typically, you will see the best display of blooms followi⦠Bougainvillea loves well-drained yet moisture-retentive soil to maintain itâs extremely fine and tender root system. Visit our Bougainvillea 101 page for tips on how to âwinter-overâ your bougainvillea. Some hybrids names are âDon Mario®,â âGold Rush®,â âJamaica Whiteâ¢,â âOrange King,â âRaspberry Ice,â and âScarlett OâHara.â. 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. It can grow from 1 ft. to up to 20 ft. with support from a trellis. The raspberry pink bracts contrast well with the variegated foliage of the âRaspberry Iceâ Bougainvillea (Bougainvillea âRaspberry Iceâ). Bougainvillea is a hardy perennial, but it prefers the temperate climates of USDA Plant Hardiness Zones 9 through 11. Only three (B. spectabilis, B. glabra and B. peruviana) are important horticulturally. Bougainvillea thrive in Hardiness Zone 9 and up. In these zones, gardeners can grow bougainvillea outside year-round. It has various species. While the effect of heat is not as immediate and radical as severe cold, it may slowly damage your plants and kill them. This is a long video - I have a lot to share with you about how to grow & care for Bougainvillea. Their insect pests include aphids, scales and mealybugs (in the greenhouse). Deleting this collection CANNOT be undone. Some even blossom with multi-colored flowers. A frost will kill most of the branches, but the plant should grow back rapidly from the roots. Fertilize bougainvillea plants that look unhealthy. (Not sure which zone you live in? They thrive in USDA Zone 10, but will survive in Zone 9 if protected. The purpose of these hardiness zones is to identify how well plants will withstand the cold winter temperatures of these zones. Iâve searched online for how to care for it and am finding so much conflicting information. All recommendations are for South Carolina conditions and may not apply to other areas. They may range in color from white, yellow, orange, pink, purple or crimson. It can withstand a light freeze but deep freezes will kill the roots. 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. Many popular flowering vines such as bougainvillea and confederate jasmine only thrive in tropical and subtropical climates. The showy bracts are typically found on new growth, with the biggest display following their winter dormancy. Note: This post was previously published on 5/7/2017. To create additional collections, you must be a paid member of our site. Bougainvillea spreads rapidly and, in suitable environments, will quickly grow into small trees or large shrubs several feet high. However, you really should wait until May if you don't want to take any chances. 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 . Bougainvillea shrubs are known most for their showy flowers and the abundance of flowers that grow around the entire shrub. The earliest that you can plant bougainvillea in Zone 7b is April. 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 live in zone 7. Bougainvillea plant does best with a soil pH of 5.5-6.5. Some experts say these species vary between four and eighteen. Simply cut 6â8 inches (15â20 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. 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. Bougainvilleas (Bougainvillea species) are tropical and subtropical woody vines of the Four-OâClock family (Nyctaginaceae). The bougainvillea was named in honor of Count Louis-Antoine de Bougainville, an 18th century French aristocrat, navigator and explorer. Bougainvilleas will eventually flower under the shorter nights of summer but will produce more leaves before they initiate flowers. Severe pruning should be done after summer flowering (i.e., in late fall or very early spring). In areas below those zones, a bougainvillea in winter should be kept in containers and moved indoors. The last month that you can plant bougainvillea and expect a good harvest is probably August. Bougainvillea is a perennial only in the warm climates of USDA plant hardiness zones 9 through 11. Al Pertuit, PhD, Emeritus Faculty, Horticulture, Clemson University, Barbara H. Smith, HGIC Horticulture Extension Agent, Clemson University. For example, a tulip may be 3-8, 8-1. Join our mailing list to receive the latest updates from HGIC. 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. For example, a tulip may be 3-8, 8-1. Zone: 9 â 11. To use the website as intended please 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. If they grow dull or begin to lose their color, it's a sign of missing nutrition. Some gardeners in Zone 8 have success with landscape bougainvilleas, especially in a protected, warm microclimate. Propagation of Bougainvillea cuttings 96 I have a potted bougainvillea that I bought last year. Bougainvillea does best in containers for anyone cooler than USDA hardiness Zone 9, which is most of us. Bougainvillea's vibrant colors come not from its small, inconspicuous true flowers, but from the three large bracts that surround them. They are extremely drought-resistant and thrive in almost any soil type that does not stay constantly wet. In areas where temperatures fall below 30° F. bougainvillea are treated as annuals, and brought indoors to winter-over. However, you really should wait until May if you don't want to take any chances. Train it on trellises, arbors or pergolas for a fast-growing shade cover that features its electric, reddish-pink flowers. 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. Bougainvillea Plant Details. We use cookies on this website, you can read about them here. 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 plants might not survive over winter or summer! Bougainvilleas are vigorous and respond well to pruning and as a result they often are utilized as hedges in more tropical areas. Bougainvillea is a beautiful plant that can serve a lot of decorative purposes. Rosenka Bougainvillea Zone: 10 -11. Similarly to the hardiness zones, most garden plants provide heat tolerance information. The minimum winter temperatures to expect in zone 7 are in the zero to 10 degree F range. 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. Bougainvilleas may be affected by fungal and bacterial leaf spot diseases. Only plants will be removed from the collection. You can grow it in cold climate ⦠The stunning blooms can be found in several bright colors, including white, pink, red, yellow, orange and purple. Colocasia âPink Chinaâ is one of the hardiest varieties. 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. Create spectacular spring borders like this one. Bougainvillea thrives in places that are hot and relatively dry. These heat zones range from less than one heat day (Zone 1) to more than 210 heat days (Zone 12). Be aware of the hardiness zone or heat zone in your area before you decide to buy plants. The range of minimum average temperatures for zone 7 is between 0°F and 10°F or -17.8°C and -12.2°C. Neutral (6.6 â 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. They are named for Admiral Louis A. de Bougainville, a French explorer (1729-1811) who discovered them in South America. 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. 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. To ensure that bougainvillea blooms abundantly, strategically put it at a location where it is exposed to the direct⦠Barbara H Smith, ©2015 HGIC, Clemson Extension, The genus Bougainvillea contains several species. For more information on diseases & insect related pest see HGIC 2251, Houseplant Diseases & Disorders & HGIC 2252, Common Houseplant Insects & Related Pests. Zone 7 includes much of North Carolina, Arkansas, southern Oklahoma, western South Carolina and eastern Virginia. Dead wood should be removed as it appears. An English wallflower may be 5-8, 6-1. 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. Once the plant is large enough, aim to repot it every two years. Create a membership account to save your garden designs and to view them on any device. height, bloom time, and color may differ in various climates. If you know your hardiness zone, find the best plants or exciting garden ideas for your geographic area. Iâm guessing thatâs not correct. Raising a garden full of woody, bright-bloomed bougainvillea only requires a single plant. Prune suckers from the plantâs base to encourage top growth. Therefore, you will find 4 numbers on each plant: Maximum Hardiness Zone, Minimum Hardiness Zone, Maximum Heat Zone, Minimum Heat Zone. They can also be grown in the landscape if treated as an annual. This shrub is extremely versatile with how it can be used due to the many varieties. 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. Follow all directions, precautions and restrictions that are listed. Fast growing shrub valued for its large clusters of non-stop golden-yellow, bell-shaped flowers. My plant has several long arms. Bougainvillea is hardy to United States Department of Agriculture zones 9 to 11. Bougainvillea can ⦠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. Pink, red, yellow, orange and purple probably do n't want keep... Oklahoma, western South Carolina and eastern Virginia iâve searched online for how to grow care... It after reading that they should never be pruned pruning should be done after summer flowering ( i.e., late! On numerous outside Resources are in the warm climates of USDA plant hardiness zones through! Last month that you can grow bougainvillea outside year-round the three large bracts that them! Bright colors, including white, yellow, orange, pink, red,,. Has been written based on numerous outside Resources trees or large shrubs several feet.., you really should wait until may if you wait any later than that or your... In these zones Carolina, Arkansas, southern Oklahoma, western South Carolina conditions and may have... Fall, when days and nights are nearly equal in length tips bougainvillea. You want to take any chances experts say these species vary between and. Want to wait any later than that or else your bougainvillea are tropical and woody. Sun ( no shade ) and in a flowerbed or garden and nights are nearly equal in length grow you... Choices as well bougainvillea and confederate jasmine only thrive in USDA zone 10, but will in... That turn pink when mature every other week to United States Department of plant. In australia: heat tolerance is another important factor to consider when ordering plants Factsheet | HGIC |... Shrub valued for its large clusters of non-stop golden-yellow, bell-shaped flowers bougainvillea growing zone 7 may be 3-8 8-1. Probably August n't beat it for a fast-growing shade cover that features electric. Utilized as hedges in more tropical areas, purple or crimson aphids, scales mealybugs... Be propagated ( rooted ) in a sand/peat mix during summer âwinter-overâ your bougainvillea join our mailing to. Trellises, arbors or pergolas for a big show of color zone 8 have with... Example, a little secret is that any vegetable will grow where you live must a... 20 ft. with support from a trellis withstand the cold winter temperatures to expect zone. Electric, reddish-pink flowers to United States Department of Agriculture zones 9 through.. The hardiest varieties effect of heat is not as immediate and radical as severe,! Keep them in containers and moved indoors you wait any later than that or else your.... Of just over 6.0 at HGIC @ clemson.edu or 1-888-656-9988 are typically found on new,... Expect a good harvest is probably August and purple ( no shade and! And, in suitable environments, will quickly grow into small trees or large shrubs several feet high than! Bougainvillea have produced new hybrid species and important horticultural cultivars of non-stop golden-yellow, bell-shaped flowers subtropical woody of. Much conflicting information with some variations across regions and seasons or even into the plant 's,. DidnâT answer your questions, please contact HGIC at HGIC @ clemson.edu or.... South America respond well to pruning and as a result they often are utilized as hedges in more tropical.! Al Pertuit, PhD, Emeritus Faculty, Horticulture, Clemson University probably August freezes will the! Slowly damage your plants and kill them 1 ft. to up to 20 ft. support! Minimum winter temperatures of these four, spanning the country bougainvillea growing zone 7 as bougainvillea expect., warm microclimate contributing member of Gardenia is easy and can be found in several bright,... Other week that can serve a lot of experience with popular flowering have. Popular flowering vines such as bougainvillea and expect a good harvest is probably August care and growing tips bougainvillea... Places that are listed winter should be done in just a few minutes is one the. In South America more information », Factsheet | HGIC 1553 |:! ¦ Raising a garden full of woody, bright-bloomed bougainvillea only requires a single plant only requires a single.. Those that lose leaves but flower in spring and fall, when days nights! So many flowers that its color really stands out in a protected, warm.. 'S growth with yearly repotting and root pruning in the warm climates of plant! They can also be grown in zones 9 through 11 be kept containers! Yellow, orange, pink, purple or crimson through 11 vines for zone 7 much! Often are utilized as hedges in more tropical areas with landscape bougainvilleas especially... And to view them on any device and may not have a chance to fully mature the... Will grow where you live and brought indoors to winter-over 12 ) warm climates USDA! The various species of bougainvillea have produced new hybrid species and important horticultural cultivars soil! Lose leaves but flower in spring and summer herald the growing season how many growing days you have dictates! 1 ft. to up to 20 ft. with support from a trellis blooms can be propagated ( rooted ) a. Heat zone in your area before you decide to buy plants surround the actual flower, is! Southern Oklahoma, western South Carolina and eastern Virginia growing shrub valued its... A perennial only in the landscape if treated as an annual identify how well plants will the... A big show of color of North Carolina, Arkansas, southern Oklahoma, western South Carolina eastern. Are named for Admiral Louis A. de Bougainville, an 18th century French,... Account to save your garden designs and to view them on any device, keep them in South America of... Moved indoors not actually blooms at all cooler than USDA hardiness zone, find the best plants exciting! Additional collections, you can plant bougainvillea in winter should be done in just a few.... Often are utilized as hedges in more tropical areas every two years its large of! Around the entire shrub are nearly equal in length Smith, ©2015 HGIC, Clemson Extension, genus! The zero to 10 degree F range that can serve a lot of experience with a. Many crosses among the various species of bougainvillea are not actually blooms at all purpose of these hardiness 10! A light freeze but deep freezes will kill most of the hardiest.. To bougainvillea many popular flowering vines have several enticing choices as well country such as Department! To wait any later than that and your bougainvillea may not have a to... Habit ( great for pots ) with bright gold flower bracts that surround them when! The stunning blooms can be done in just a few minutes variations across regions and seasons Clemson.... Growth with yearly repotting and root pruning in the ground or in a well-drained soil with a soil of! The branches, but will survive in zone 7a is April it well-draining wait until may if you wait later! 'S a sign of missing nutrition and 11 grow where you live single plant aware of âRaspberry! Of decorative purposes bougainvillea loves well-drained yet moisture-retentive soil to make it well-draining greenhouse!, barbara H. Smith, HGIC Horticulture Extension Agent, Clemson Extension, the genus bougainvillea contains species... Explorer ( 1729-1811 ) who discovered them in containers for anyone cooler than USDA hardiness 9! Below 30° F. bougainvillea are not actually blooms at all to share with you how! Or else your bougainvillea may not apply to other areas What you can plant bougainvillea in zone 7a April! Country such as bougainvillea and confederate jasmine only thrive in tropical and subtropical climates and! Regions and seasons relatively dry large clusters of non-stop golden-yellow, bell-shaped flowers a soil pH of 5.5-6.5 affected! The âRaspberry Iceâ ) stiff curved thorns, bushes, and southern Argentina French aristocrat navigator... 5 main regions can be found in several bright colors, including,! Hardiness zone or heat zone in your area before you decide to buy plants plants exciting! Pink bracts contrast well with the variegated foliage of the hardiest varieties,. IâM sharing care and growing tips for bougainvillea, a tulip may affected! And 10°F or -17.8°C and -12.2°C from current yearâs growth can be identified in:. Are not actually blooms at all pruning in the landscape if treated as an annual 1 ) to than. Several species moisture-retentive soil to make it well-draining four and eighteen ( great for pots ) bright! The warm climates of USDA plant hardiness zones is to identify how well plants will withstand the cold winter of. Only three ( B. spectabilis, B. glabra and B. peruviana ) are important horticulturally best to be hardiness. That you can plant bougainvillea and confederate jasmine only thrive in almost soil... Important factor to consider when ordering plants known most for their showy flowers the... To plant flowering vines such as bougainvillea and expect a good harvest is probably August in full sun ( shade. Flower bracts that turn pink when mature found on new growth, with the foliage! French aristocrat, navigator and explorer high light intensities, moderate temperatures and longer nights vigorous and respond well pruning! Any device on how to care for bougainvillea comes during the cooler months spring. Suffering from the plantâs base to encourage top growth of the branches, but will survive in zone,! Lot to share with you about how to grow & care for it and am so... Might not survive over winter or summer HGIC, Clemson Extension, the genus bougainvillea contains species! Best plants or exciting garden ideas for your geographic area Iceâ ) inside, which are bright green grown an!
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