In cultivation, S. undulata is an easily grown, but moisture hungry herb. It is tolerant of extreme heat, >40 °C (104 °F), and moderate cold, −5 °C (23 °F). A moisture retentive seedbed is essential. The fragrant flowers open at night and close in the day. It is a biennial to short lived perennial and the root can be harvested after the second year.
Silene undulata is regarded by the Xhosa people as a sacred plant. Its root is traditionally used to induce vivid (and according to the Xhosa, prophetic) lucid dreams during the initiation process of shamans, classifying it a naturally occurring oneirogen similar to the more well-known dream herb Calea zacatechichi.
- Jean-Francois Sobiecki: Psychoactive Spiritual Medicines and Healing Dynamics in the Initiation Process of Southern Bantu Diviners. In: Journal of Psychoactive Drugs. 44, 2012, S. 216–223, doi:10.1080/02791072.2012.703101.
- Watt, J.M. & Breyer-Brandwijk, M.J. 1962. The medicinal and poisonous plants of southern and eastern Africa. Second edition. Edinburgh: E. & S. Livingstone.
- J. F. Sobiecki (2008). "A review of plants used in divination in southern Africa and their psychoactive effects" (PDF). Southern African Humanities. 20: 333–351.
- H. Wild: Caryophyllaceae in Flora Zambesiaca, Vol. 1, Pt 2, 1961: Silene undulata - Online
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