Solanum nigrum, commonly known as black nightshade, is an annual subshrub or herb that thrives in a variety of habitats across Europe, Asia, and Africa. Native to Afghanistan, Albania, Algeria, and other regions, this plant has spread widely due to its adaptability. Known for its edible parts—fruit, leaves, and shoots—it can be found growing in light (sandy), medium, and heavy (clay) soils with a pH of 7–7.5. Solanum nigrum is characterized by its light energy requirement and preference for dry to moist conditions, making it resilient in diverse environments. Its distinctive feature includes small, purple-black berries that are both edible and potentially toxic if consumed in large quantities.
Solanum nigrum, commonly known as black nightshade, is an annual subshrub or herb that thrives in a variety of habitats across Europe, Asia, and Africa. Native to Afghanistan, Albania, Algeria, and other regions, this plant has spread widely due to its adaptability.
Traditionally used for digestion. Each claim is evidence-rated — see Section II for full citations.
Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.
Start with a simple and adaptable approach to growing Solanum nigrum, focusing on basic care.
Seeds or young plants, containers or garden space, potting soil, water.
Plant in spring after the last frost, when temperatures are mild.
Use well-draining soil with a pH between 7-7.5. Ensure containers have drainage holes.
Direct sow seeds in the garden after danger of frost, or start indoors 4 weeks before planting out.
Keep soil consistently moist and provide light shade to prevent sunburn. Monitor for pests and diseases.
Water regularly, especially during dry spells. Fertilize lightly every 4-6 weeks with a balanced fertilizer.
Prune back plants to encourage bushiness and remove any dead or diseased parts as needed.
Overwatering, planting too deep, neglecting to prune, not providing enough light, using incorrect soil pH.
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