Slender false garlic is a plant species natively found in South America, within regions that encompass the biodiversity of the Amazon basin. Its range has extended considerably, being introduced across multiple continents such as North America, Africa, Europe, Asia, and Oceania. This broad distribution signifies slender false garlic's adaptability to various climates outside of its original habitat.

Slender false garlic is toxic to humans, dogs, and cats. Ingesting any part of the plant can cause symptoms like nausea, vomiting, dizziness, and abdominal pain. Neurological effects and hospital care might be needed for severe cases. Vigilance is crucial to prevent accidental ingestion, and immediate veterinary care is necessary for affected pets to ensure their well-being.

Slender false garlic is a plant originally from South America. This plant is considered a weed due to several characteristics. First, it has a high reproductive ability. Each bulb can produce multiple offsets, or mini bulbs, that grow into separate plants, making it difficult to completely remove. In addition to that, it has the ability to sprout from any piece of the bulb left in the ground, further enhancing its propagation ability. Furthermore, slender false garlic can negatively affect other plants in the garden by monopolizing resources like sunlight, water, and nutrients, depriving native plants of these essentials for growth. The plant's harm to gardens is prevalent, posing threats to the balance of plant diversity. Lastly, slender false garlic mainly spreads through human activity, either through intentional planting or accidentally in soil or compost. Garden tools, machinery, and even water flows can also aid in its spread, making it a persistent and challenging weed to control.

The best season to remove slender false garlic is during spring when the plant is actively growing and before it sets seeds.