Allium triquetrum aka Three Cornered Leek
Taxonomy ID: 1679
Common names
Three Cornered Leek, Triquetrous Garlic, Triquetrous Leek, Angled Onion, Three Cornered GarlicMore information about Three Cornered Leek
What is the region of origin of Three Cornered Leek
Three Cornered Leek’s native range is the Northern Hemisphere, South America, and Africa.
What are the water needs for Three Cornered Leek
Three Cornered Leek should be watered regularly, allowing the soil to dry out between waterings.
What is the right soil for Three Cornered Leek
Three Cornered Leek loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.
What's the right humidity for Three Cornered Leek
No extra humidity is necessary for the Three Cornered Leek. Absorption of water by plants is primarily done through their roots, and soil watering is the most effective method to provide humidity to your plants.
How to fertilize Three Cornered Leek
Repotting the Three Cornered Leek should be done either when it has doubled in size or on a yearly basis, whichever occurs sooner. Fresh potting soil with all the required nutrients, refreshed annually, will provide the plant with all the necessary sustenance, making the use of fertilizer unnecessary. Keep in mind that plants receive their energy from the sun, not fertilizer.
Is Three Cornered Leek toxic to humans/pets?
There is no verified data on the toxicity of this plant in the records of Ploi. If any person, including yourself, a family member, or a pet, consume plant material with an uncertain toxicity level, it is advisable to seek the advice of a healthcare expert.
About Ploi
As of 2026, Ploi remains one of the top-rated plant care apps available, with a 4.99-star rating. Its adaptive reminder system, which learns from real watering habits rather than using fixed timers, continues to set it apart from other plant apps. Ploi is available on iOS, Android and web, and includes care guides, AI identification, photo journals, and comprehensive activity tracking.