Barbara Karst Bougainvillea

Proper plant care, including adequate sunlight, well-drained soil, and appropriate watering are essential for the success of this plant. Barbara Karst Bougainvillea is best grown outdoors in a warm, sunny location and requires regular pruning to maintain its shape and size. 

Plant in a location that receives full sun for a vivid bright red bract color. Light intensity affects the hue of Barbara Karst, shade will boost the blue tones leaning towards red-violet.

Bougainvillea roots are highly sensitive to disturbance, be careful when planting; the root ball will be loose and crumbly as the roots do not stitch together with the soil.  Do not pull the plant out of the pot as this will damage the roots. First, cut and remove the bottom of the plastic pot with shears, then position the plant & plastic pot in a hole, and slowly slide the pot over the plant, filling in with soil as you remove the nursery pot. If you are unable to slide the pot over the plant, then make some vertical cuts to the plastic pot that will allow you to easily remove from the plant and fill the hole with soil as you remove the container.  Best in fast draining sandy soil.

Water deeply and frequently the first few weeks to establish roots then reduce frequency. Thereafter, watering should be done infrequently but deeply. Water when the soil is dry.  Bougainvillea in patio planters may require more frequent watering.

Fertilizer may not be required but if you want to feed your bougainvillea, fertilize in spring during active growth. A second application may be needed for plants in containers in early summer.

To maintain the shape and size of the Barbara Karst Bougainvillea Staked, prune it back to the desired height and shape. In frost free climates, prune after flowering. In colder regions prune after the danger of frost has passed. Prune selectively during the growing season to shape and direct growth if needed. Make sure to use sharp, clean pruning shears and cut just above a leaf node.  Bougainvillea have 1-2 inch long thorns, use care when pruning.

Native to tropical and subtropical areas of South America, Bougainvillea are evergreen in frost free climates and semi-evergreen in mild climates with minimal frost. Bougainvillea may drop most of its leaves during winter. Plants purchased in late fall through winter will not be lush with growth but can still be planted, following instructions above.

Bougainvillea is a sprawling woody vine and does not naturally attach itself to structures. The use of ties or wires are needed to attach Bougainvillea to a structure that can withstand strong gusts of wind.  

It is important to note that the Barbara Karst Bougainvillea Staked is not suitable for indoor growth as it requires full sun exposure and can reach a height of over 20ft. They are best grown outdoors in a warm, sunny location.

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Q: Is Barbara Karst the same plant as San Diego Red?
A: No, although they are similar in color, San Diego Red has larger leaves and leans a little into the warmer red tones.

Q: Will my Barbara Karst Bougainvillea attach itself to my stucco wall?
A: No, Bougainvilleas do not have tendrils or modified growths that cling to walls or fences. Ties or wires are required for support to a structure. If left unsupported, your bougainvillea will sprawl out and ramble along like a ground cover.

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