Water the bougainvillea deeply to establish the roots. Repotting will be required every six months to a year. Water it enough to keep the soil from drying completely and watch for new growth to begin. For a balanced plant, help by watering during growing season. Keep an extra layer of compost on top for optimal results. If watering is not the issue, check for Aphids. During the growth dormancy Bougainvillea should preferably be kept in a light place at temperatures between 5 and 15 degrees Celsius. Watering Bougainvillea Plant. Then, check the soil before you water the plant again to make sure the soil feels dry, which means the plant needs water. When new growth has developed, … Overwintering bougainvillea indoors takes a bit more planning. In pots, water when the susbtrate become dry, and during winter, indoors, watering once a month should suffice. A bougainvillea doesn’t like getting water logged as its roots will rot. In its dormant state, the plant responds beautifully to pruning and rewards you with more dense growth and colorful bracts. Bougainvillea, however, prefers to dry out a bit between waterings, and needs good drainage. Over-watering Overfeeding Re-potting Heavy Pruning or no pruning Learn how to how to keep bougainvillea blooming or how to force your potted bougainvilleas to bloom by taking proper care of light, watering, fertilizing, pruning and re-potting. However, Bougainvillea seem to do better in peat/coir based soils rather than the traditional fast draining Bonsai soils. Its blossoms range from purple to violet to pink depending on weather conditions. If the top 1 inch (2.54 centimeters) is dry, the plant needs water. edit: we have been here 14+ years and those plants are older than that. Caring for Bougainvillea Bougainvillea require a thorough watering when first planted but don't require much water after that. Bougainvillea makes a great hedge against a hot wall. Image of bougainvillea, landscape, relax - 66739991 Bring the soil to visual dryness between watering; when the plants are almost at the wilting poin Besides, the less it is watered, the more it blooms! Turn over the soil on the bottom of the hole and make sure there is adequate drainage. Provide well draining soil and be careful not to over water. Shd: Part: Sun: Frost Damage (°F,°C) X: X: X: X: X: X: X: X: 32, 0 Barbara Karst, shown below, is the best bougainvillea variety for Phoenix because it blooms all year and takes the heat better than other varieties. Once growth begins, you will need to water more frequently. These plants are scrambling climbers and may need additional support. Use a soluble 20-20-20 fertilizer, mixed into the plant's water, every other week. 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. They too, are commonly found on Bougainvillea and can be treated with Neem Oil. Bougainvillea growing in pots does best with regular watering. When you first re-pot the plant, pour water over the soil to moisten it. Bougainvillea, with their thorny, woody, tropical vines, produce beautiful clusters of red, pink, orange, white, yellow, purple, and magenta paper-like bracts. Our neighbour is hardly ever there[about 4 times a year] so his never gets watered and it nicely drapes over our 12 foot wall. A bougainvillea can even be trained as a bonsai. A bougainvillea plant is native to the rain forests of Brazil, Peru, and southern Argentina. Bougainvillea which is newly planted needs watering more frequently. When you water the plant, pour the water directly over the soil so that it goes to the roots. If your bougainvillea loses blooms during the growing season, take heart. It prefers a deep watering every 7-14 days rather than more frequent shallow waterings. 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