Bougainvillea are popular ornamental plants in most areas with warm climates, such as Florida and South Carolina, and across the Mediterranean Basin.. Follow label recommendations for the fertilizer you use, but as a rule of thumb, you should fertilize your plant every two to three weeks during the growing season. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition. Visit our Bougainvillea 101 page for tips on how to “winter-over” your bougainvillea. Scarlett O'Hara Bougainvillea is a multi-stemmed evergreen woody vine with a twining and trailing habit of growth. What Causes Yellow Leaves on the Tropical Hibiscus? I love the look of Bougainvilleas. This variety of bougainvillea has bracts that turn from bright red in the sun to a dark crimson with blue tones when viewed in the shade. Bougainvillea Variegated Collection. Give your bougainvillea a fertilizer that’s specifically formulated for bougainvilleas, which will include micronutrients, such as iron, to promote plant health. In areas below those zones, a bougainvillea in winter should be kept in containers and moved indoors. Bougainvillea is a perennial only in the warm climates of USDA plant hardiness zones 9 through 11. There are very few rules in gardening, but perhaps the most important one is to work within your zone. Suitable hardiness means a plant can be expected to grow in the zone’s temperature extremes, as determined by the lowest average annual temperature. It can be grown as an evergreen shrub and will bloom year around in frost free locations. The 10 zones in the United States and Canada are determined by the average annual minimum temperature and are separated by 10 degrees. And if you grow your plant in a container, remove the drainage dish and let the excess water flow freely from the pot. After studying botany and microbiology at Clemson University, Blackstone was a University of Georgia Master Gardener Coordinator. A bougainvillea watering regimen follows the guideline of “less is more.” These plants do not like to sit in soggy soil, a condition that may cause the flowers to drop or the plants to cease blooming altogether. Is anyone else zone pushing with these? Bougainvillea Bougainvillea x 'Variegated Vickie' Bougainvillea is one of the most captivating blooming vines used around Texas. She is also a former mortgage acquisition specialist for Freddie Mac in Atlanta, GA. If you choose to grow them as annuals, be aware doing this can be quite expensive. Siting your plant where it receives plenty of sunlight is a veritable bougainvillea bloom booster. After this cycle is over, you can promote new growth and a period of repeat bloom by pruning or pinching your plant. If you're in a colder, wetter zone, you can still grow bougainvillea if you plant it in a pot and bring it indoors for the winter. The Plant Hardiness Zones divide the United States and Canada into 11 areas based on a 10 degree Fahrenheit difference in the average annual minimum temperature. It is a woody climber with curved thorns that sprawls and needs to be tied or have a structure such as a fence, wall, or pergola for support. Look up hardiness zones in your area. Even though frost will injure bougainvillea when temperatures dip below freezing (32 degrees F), your plant may also suffer damage because of the wind chill factor at temperatures of 40 degrees F. Mature plants may not die after a light frost, but young plants may not survive frost burn. What are commonly called the “flowers” of a bougainvillea plant are actually the showy petal-like bracts that surround the tiny white or cream-colored “true flower.” Bougainvillea bract colors range from white to shades of pink, red, yellow and purple. Because of its spreading habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it … In Tucson I water mine once a week, via drip for 1 1/2 hours, in periods of no rain. If a range of zones, for example, zones 4-9, is indicated, the tree or perennial is known to be hardy in zones 4, 5, 6, 7, 8, and 9. Without support and with occasional corrective pruning, bougainvillea becomes a broad, sprawling shrub; a bank or ground cover; or an attractive choice for hanging baskets. Hardiness Zone… If you want to keep bougainvillea outdoors all year long, it's best to be in hardiness zone 9 or higher. Bougainvillea (Bougainvillea spp.) Keep in mind that local variations such as moisture, soil, winds, and other conditions might affect the viability of individual plants. They are extremely drought-resistant and thrive in almost any well-draining soil. Currently my drip is off & has been off for 3 weeks. Remember, this is one plant that loves sun and heat! Hardiness: USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F) USDA Zone 10a: to -1.1 °C (30 °F) ... (Zone 9b) wrote: Bougainvillea is a thorny vine, up to 20 feet long. USDA Plant Hardiness Zone: 9b, 10b, 10a; Fruit: Fruit Type: Achene Fruit Description: The fruit is a narrow five-lobed achene. Rosenka Bougainvillea Zone: 10 -11 Very dwarf, mounding habit (great for pots) with bright gold flower bracts that turn pink when mature. Otherwise, keep them in containers and move to the garage, greenhouse, or even into the house near a sunny window. 'Orange Ice' 'Bluebery Ice' and 'Delta Dawn' The names alone are enticing but the variegation in three varieties make this collection outstanding. Known for their colorful blooms, the bougainvillea's true flowers are small, whitish and insignificant. Bougainvillea does best in containers for anyone cooler than USDA hardiness Zone 9, which is most of us. Join Gardenia.net. Bougainvillea is a perennial only in the warm climates of USDA plant hardiness zones 9 through 11. If the roots survive, the plant will eventually grow new leaves if protected from subsequent frosts. It can withstand a light freeze but deep freezes will kill the roots. (Not sure which zone you live in? The Lowest Temperature for the Tropical Plant Bougainvillea. The flowers are not purple, not pink, not blue, but a cool concoction of all three, like blueberry sherbert. If you can’t find a fertilizer that’s labeled specifically for bougainvilleas, look for one that is formulated for hibiscus plants. Bougainvillea is hardy to United States Department of Agriculture zones 9 to 11. Bougainvillea is a heat-loving plant that can tolerate temperatures above 100 degrees F on the high side, but it performs best when temperatures stay above 60 degrees F on the low side. Although plants may blossom sporadically throughout the growing season, blooming typically follows a cycle of profuse flowering during a period of four to six weeks. The plants thrive in USDA hardiness zone 10-11, and will also grow in zone 9 with adequate protection. This plant grows well in USDA plant hardiness zones 10a to 11. Enter your zip code in the form below, and we’ll tell you where you fall in the Arborday.org Hardiness Zones Database. Shrubby forms and heavily pruned plants make good self-supporting container plants for terrace or patio. Instead of being content with a few blossoms here and there along the vining stems, you can ramp up this tropical beauty’s flower power simply by meeting its cultural requirements. Bougainvillea thrives in Hardiness Zones 9 and up, but can be enjoyed seasonally in other zones as long as they are protected and brought indoors during winter months. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden. The eye finds it irresistible. Because of its spreading habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it … Light: Full sun to partial shade. Once established, they are drought resistant. For example, the lowest average temperature in Zone 2 is -50 to -40 degrees Fahrenheit, while the minimum average temperature in zone 10 is +30 to +40 degrees Fahrenheit. In areas where temperatures fall below 30° F. bougainvillea are treated as annuals, and brought indoors to winter-over. Suggested hardiness zones have been indicated for all trees and perennials available online from the Arbor Day Foundation. 'Royal Purple' is cultured for abundant, colorful clusters of dark purple bracts surrounding small cream-colored flowers from summer to late autumn. Although plenty of sun is essential for bougainvilleas to produce blooms, other cultural factors can also help – or hurt – flower production. Tucson: USDA Plant Hardiness Zones 9A/9B. White Stripe Bougainvillea is a fine choice for the garden, but it is also a good selection for planting in outdoor containers and hanging baskets. Bougainvillea is native to Brazil, where the annual low temperature doesn’t usually dip below 65 degrees Fahrenheit in Rio de Janeiro, for example. (The United States falls within Zones 2 through 10). Hybrid bougainvillea is a vigorous, woody, evergreen climber with short thorns and large, green leaves. Watering. We would have to agree. See map below.) In these zones, gardeners can grow bougainvillea outside year-round. There are very few rules in gardening, but perhaps the most important one is to work within your zone. Does Bougainvillea Bloom on Old Wood or New Wood? Victoria Lee Blackstone is a horticulturist and a professional writer who has authored research-based scientific/technical papers, horticultural articles, and magazine and newspaper columns. Create a membership account to save your garden designs and to view them on any device. Difference Between Mandevilla & Bougainvillea, Napa Master Gardener Column: Bougainvillea, The Weather Channel: Rio de Janeiro, Brazil, Monthly Weather, University of Florida Extension: Warm Climate Guidelines for Bougainvillea, Texas A&M AgriLife Extension: Bougainvillea, How to Keep Your Miniature Bougainvillea Alive, Controlling Pests and Aphids on a Bougainvillea. Online shopping for Patio, Lawn & Garden from a great selection of Flowers, Vegetables, Fruits, Trees, Herbs, Cacti & Succulents & more at everyday low prices. plants add brilliant bursts of color that electrify the visual impact of landscapes. But this doesn’t necessarily mean a plant is dead. Of course some would argue it's the flower color that gets them. Texas Dawn™ Bougainvillea is a fine choice for the garden, but it is also a good selection for planting in outdoor containers and hanging baskets. The solution is to enjoy bougainvillea as an annual or grow it in pots, which you can move inside during winter to protect it from the freezing temperatures that will kill it. Native to South America, these thorny woody vines grow up to 30 feet long in warm climates; semi-evergreens that drop their leaves in colder climates. Bougainvillea ‘Blueberry Ice’ (Bougainvillea hybrid) Refreshment for the eye. I was thinking of attempting to grow them outdoors against a south facing brick wall - this place stays warm - with added winter protection like wrapping. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. Bloom Color: Magenta (pink-purple) Bloom Characteristics: Unknown - Tell us. Flower Color: Red, pink, yellow, green. These colorful plants hail from an arid region of the world and, as such, thrive in U.S. Department of Agriculture plant hardiness zones 9 through 11. Three 2.5" Pots. Bougainvillea thrive in Hardiness Zone 9 and up. In areas where temperatures fall below 30° F. bougainvillea are treated as annuals, and brought indoors to winter-over. USDA Zone ? Hardiness. USDA Hardiness Zone: 10-11. © Copyright 2020 Hearst Communications, Inc. Located in Zone 8 on the U.S. Department of Agriculture Plant Hardiness Zone Map, Portland, Oregon shares the same zone as Tifton, Georgia and parts of Texas, but the climate is quite different. USDA hardiness zone 10 – 11. However, I live in the DC suburbs of Maryland, in zone 7A. If you live where in a climate where bougainvillea is borderline zone hardy (see zones below), then planting it against a warm wall or in a corner against the house will help. In these zones, gardeners can grow bougainvillea outside year-round. Bougainvillea can also be grown as an annual or as a houseplant outside those zones. Bougainvillea hardiness zone is 9-11. The other important aspects which are considered while gardening are the AHS Heat Zone and Sunset Zone of … Although it is frost-sensitive and hardy in USDA Hardiness Zones 9b and 10, bougainvillea can be used as a houseplant or hanging basket in cooler climates. Some gardeners in Zone 8 have success with landscape bougainvilleas, especially in a protected, warm microclimate. Plant hardiness zones will help you figure out which plants will thrive in your garden. Leaves generally turn brown or black from frost burn, eventually falling from the plants. Bougainvillea thrives in places that are hot and relatively dry. (The map below does not include Zone 1, which encompasses the extreme northern parts of Canada and the interior of Alaska.) Its sweet spot for temperature preference lies between 65 degrees F and 95 degrees F, which is the range maintained by professional growers for bougainvillea production. Santa Barbara: USDA Plant Hardiness Zones 10A/10B. USDA Zone ? Bougainvillea (Bougainvillea spectabilis) is an evergreen, shrubby vine that can add color to any landscape and does well in Portland's temperate climate. Bougainvillea is best suited to a hot, dry climate and should be watered deeply but allowed to dry out between waterings. But this doesn’t mean that gardeners who live in cooler climates can’t enjoy this colorful plant. For busy homeowners in warm regions of the country, bougainvillea is a nearly perfect plant as it thrives on neglect and features brilliantly colored bracts in … Bougainvillea is a hardy perennial, but it prefers the temperate climates of USDA Plant Hardiness Zones 9 through 11. Water: Maintain moist soil. Choosing plants that grow and thrive in your particular climate is the very first step toward having a beautiful garden. Fertilizing Young Bougainvillea Apply a high-nitrogen fertilizer on young plants until they have grown well and become established. This plant is hardy from USDA zones 9b – 11. And if you do, you’ll have a stunning plant that’ll turn the heads of passersby instead of a so-so plant that warrants only casual glances. Bougainvillea Care In Winter. Soil: Well-draining, acidic or neutral. Scientific: Bougainvillea hybrids (most are either B. glabra, B. spectabilis, B. brasiliensis, or more commonly hybrids) Common: bougainvillea Family: Nyctaginaceae Origin: Brazil Pronounciation: Boo-gan-VEE-ya HI-brids Hardiness zones: Sunset 5-6 as annual, 12, 13, 15-17, 19, 21 USDA 9 (will sustain foliage and stem freeze damage most winters), 10 - 11 . Explore Bougainvillea Facts where you can learn about its foliage texture, foliage sheen and characteristics of its flower. To start growing bougainvillea in gardens, you’ll need to live somewhere warm; otherwise, container growing of bougainvillea is recommended. Freely flowering with the added dazzle of variegated leaves makes 'Blueberry Ice' an outstanding Bougainvillea. The San Diego Red is a bold climbing variety with large dark green leaves and abundant dark red bracts. Bougainvillea thrive in Hardiness Zone 9 and up. When treated as annuals, bougainvillea can be wintered over in basements or other cool and lower light areas. Bloom Size: Unknown - Tell us. Hardiness: USDA Zone 10a: to -1.1 °C (30 °F) USDA Zone 10b: to 1.7 °C (35 °F) USDA Zone 11: above 4.5 °C (40 °F) Where to Grow: Unknown - Tell us. Danger: Plant has spines or sharp edges; use extreme caution when handling.