In Zone 8 and cooler, you are almost limited to growing them in some kind of container unless you treat them as an annual (plant a new plant outdoors each year). Sow the bougainvillea seeds on the surface of the soil, then gently “rake them in” to a depth not more than 2 to 3 times the thickness of the seeds. Growing bougainvillea in gardens requires some effort, but many think that these tropical and subtropical woody vines are worth it. Vines provide shade and vertical accents in our gardens. Read on for information about how to grow a bougainvillea. In warm climates, a bougainvillea plant can be grown as a vine or groundcover, in cool areas it's a great container plant. The soil requirement for growing Bougainvillea indoors. Photo: Simon Griffiths / bauersyndication.com.au For instant impact, many cultivars can be bought as trained standards, such as the weeping form of 'Krishna'. Bougainvillea can be made to flower by triacontanol in cold climates. Bougainvillea is known for its colorful display of flowers, or bracts. Bougainvillea are tropical and must be protected from frost. A bougainvillea plant is native to the rain forests of Brazil, Peru, and southern Argentina. Add well-decomposed compost to the soil to make it well-draining. These bracts are the showy part of the plant, while the true flowers are tiny. Growing bougainvillea in cold climates: If you live in a colder area, you can plant it in a pot and bring it indoors for the winter. Bougainvilleas are among the most colorful with their vibrant, papery bracts. Step 3 - Plant the Seeds. Bougainvillea plant does best with a soil pH of 5.5-6.5. Bougainvillea, native to South America, is a genus of thorny, vinelike plants that produce colorful flowers. With this in mind, choose a spot against a warm, protected wall where you want to add a BIG splash of color. In hanging baskets or containers, as a climbing vine, wall cover, or shaped into a tree, the bougainvillea is a popular favorite visible in nearly every city, town, or rural hamlet across the country. Bougainvillea is among the fastest growing plants. Growing Bougainvillea in Gardens Learn how to plant and care for bougainvillea and discover 8 of the best bougainvilleas to grow in your garden. Bougainvillea is a sun loving plant that will provide a pretty pop of colour against a back fence or garden shed. Bougainvillea can grow upward of 15 feet high and can be evergreen or deciduous depending on the climate it grows in. Bougainvillea, with their thorny, woody, tropical vines, produce beautiful clusters of red, pink, orange, white, yellow, purple, and magenta paper-like bracts. How quickly does bougainvillea grow? However, the showy blossoms that make this plant a crowd favorite only develop on new growth. Bougainvillea, once established and if growing in the sun and heat it loves, is a fast grower. Typically it will put on a startling 36 inches of growth every year, up to a limit of about 30 feet. Indoors, the plant will survive the outside harsh weather. Bougainvillea thrives in full sun. My bougainvilleas in Santa Barbara grew a bit faster because the winter evening temps were milder & the summer temps and sunshine not as intense. Bougainvillea loves well-drained yet moisture-retentive soil to maintain it’s extremely fine and tender root system. At least 5 hours a day of direct sunlight is the minimal light required for good bloom. Bougainvillea readily grows up an exterior house wall with minor amounts of training to point its vines in the right direction and a suitable foundation to hold onto. Bougainvillea in the garden offers green foliage year-round and brilliant “blooms” in summer. 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