Robinia pseudoacacia Seeds | Black Locust
LATIN NAME: Robinia pseudoacacia
COMMON NAME: Black Locust
Plant Profile
Among the ornamental and useful plants raised from seed, Black Locust (Robinia pseudoacacia) stands out as an upright, deciduous tree in the pea family (Fabaceae), native to eastern north America. Black locust chains upright, deciduous tree with compound leaves of many oval leaflets and long, hanging clusters of fragrant, white, pea-like flowers that open through late spring, clusters chaining from branches, flat, brown pods following. It likes sun, and well-drained soil. When it flowers, local bees and other insects make good use of it. All of this makes Black Locust a satisfying plant to grow and to get to know.
Science & Biotechnology
Within the pea family, Robinia pseudoacacia is of continuing interest to researchers working on plant diversity, seed biology and the selection of improved garden forms. Fragrant flower chains of black locust give it a recognised place in research on fast-growing nitrogen-fixing trees of pea family, and pseudoacacia species appears in studies of tough timber and honey flow. Breeders and collectors still work with it, so well-kept seed remains available.
Uses & Benefits
Gardeners value Black Locust for its ornamental character, and the plant also fits naturally into herb, vegetable and cutting gardens. In poor, sunny ground, black locust chains late-spring garden with white flowers. Fragrant blooms feed bees, roots enrich soil, and timber serves posts, fences and fuel for generations. It grows well in well-drained, sunny ground. Getting it going is easy; keeping it going is easier still.
Black locust flowers are fragrant and edible in fritters and teas where tradition knows them, and the wood is among the most durable on Earth; bark and seeds are toxic, so the flowers alone are the treat.
Growing from Seed
Raising Black Locust from seed is straightforward. Use a fine, free-draining seed compost, scatter the seed evenly, cover it lightly and hold it just moist in good light. The seed responds well to a cool, moist stratification period, which helps it break dormancy evenly. Move strong seedlings into individual pots, keep them in good light, and set them out when the weather and their size agree.
Our Take
Native to eastern north america, it is naturally at home where garden conditions resemble its wild habitat. Given the right start, Black Locust is a long-term garden companion. A cool, moist period before sowing prepares the seed well; care after that is routine.
Related Reading
Gardeners who grow Black Locust often pair it with these related subjects: