Poison bulb, Grand crinum lily, Spider lily, Giant crinum lily
Crinum asiaticum
🌿 Morphology
🌞 Growing conditions
🌍 Origin and family
🌾 Uses
Warning: Despite the care taken in writing this sheet, it is essential to cross-reference sources before using or consuming any plant. When in doubt, consult a qualified professional
Permaculture uses
Primarily used as an ornamental plant in permaculture systems. Its large size and attractive foliage can provide visual interest and act as a windbreak. Certain cultures use the leaves medicinally for wound healing and pain relief, although caution is advised due to its toxicity. Not typically consumed. May deter some pests due to its toxic alkaloids.
Permapeople description
Crinum asiaticum is a plant species widely planted in many warmer regions as an ornamental. It is regarded as toxic due to the presence of alkaloids.
Botanical description
Crinum asiaticum is a large, bulbous perennial herb, often reaching up to 4 feet in height and spread. The bulb is large, often partially exposed above the ground. Leaves are strap-like, broad, and fleshy, arranged in a rosette. Flowers are large, fragrant, white (sometimes pink-tinged), and spider-like, borne in an umbel atop a sturdy stalk. Fruits are large, rounded capsules containing corky seeds that allow them to float and disperse via water. All parts of the plant contain toxic alkaloids.
Companion planting
No specific companion planting information is widely available. Its large size may provide shade to lower-growing plants. Due to its toxicity, it may deter certain pests, potentially benefiting susceptible companion plants. Avoid planting near livestock or areas where accidental ingestion is likely.
Propagation methods
Propagation is primarily achieved through offsets (bulb division) or seeds. Offsets can be separated from the mother plant and planted directly into well-draining soil. Seeds can be sown after removing the fleshy outer layer, but germination can be slow and inconsistent. Bulb cuttings are possible but less common.
History and traditions
Historically, various parts of the plant have been used in traditional medicine systems in Asia and Africa. The leaves have been applied topically for wound healing, bruises, and pain relief. The bulb has been used as an emetic and purgative. However, due to its toxicity, it is important to exercise extreme caution when using it medicinally. Different cultures also ascribe various symbolic meanings to the plant, often associating it with protection or warding off evil spirits.
Usage calendar
Flowering typically occurs in summer and fall. Planting is best done in spring or early summer. Division of offsets can be performed in spring or fall. Pruning is generally not necessary, but dead or damaged leaves can be removed at any time.