African Blue Basil | Ocimum kilimandscharicum × basilicum ‘African Blue’ | Perennial Basil | Sterile Basil African Blue Basil is a vigorous, sun-loving herbaceous perennial (often grown as a fast-growing annual in cooler climates) prized for its spectacular, continuous profusion of tall, striking purple flower spikes that bloom prolifically from early summer all the way until the first frost. This exceptionally tough, heat-tolerant sterile hybrid is known for its remarkable, bushy habit and highly aromatic, green leaves heavily mottled with dark purple veins. Its intensely nectar-rich blossoms are an absolute magnet for bees, butterflies, and hummingbirds, making it a spectacular, low-maintenance thriller for sunny landscape borders, pollinator gardens, and mixed patio containers. With its bold, uniquely colored foliage and reliable performance through challenging heat and humidity, African Blue Basil offers an extraordinary display of vibrant summer blooms and culinary versatility with exceptionally straightforward care. Growing African Blue Basil Light: Full sun; thrives in bright, direct sunlight (at least 6 to 8 hours per day) to produce the most abundant blooms, the strongest stems, and maintain a tight, densely branched form. Too much shade will cause the plant to become leggy and significantly reduce flowering. Soil: Rich, well-drained soil; highly adaptable to average soils as long as drainage is excellent. It is extremely susceptible to root rot in heavy, waterlogged clay, especially during the cold, wet winter months. Water: Moderate; water regularly until established, then allow the top inch or two of soil to dry out between waterings. It is remarkably drought-tolerant once mature but performs best with consistent moisture during extremely hot spells. Maintenance: Exceptionally low maintenance. Because it is a sterile hybrid, it does not set seed and will never die back after flowering like traditional basil. Pinch back the growing tips or harvest regularly to encourage a much bushier, denser branching habit and a renewed wave of colorful foliage. Wildlife: Highly attractive to bees, butterflies, and hummingbirds; naturally deer- and rabbit-resistant due to its strongly aromatic camphor and clove scent. Hardiness: Perennial in USDA zones 9–11; widely grown as a spectacular, fast-growing summer annual or container plant in all cooler regions. Shipping Info African Blue Basil plants are shipped as healthy young starts in 3" nursery pots. Allow 1–2 weeks after arrival for plants to recover from shipping and resume active growth before repotting or planting outdoors.
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