Largeflower Wild Onion

Allium macropetalum

Physical Characteristics

Allium macropetalum is a BULB growing to 0.3 m (1ft). See above for USDA hardiness. It is hardy to UK zone 5. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, insects. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Distribution

South-western N. America - Colorado, Utah, Arizona, Texas and New Mexico.

Habitats

Cultivated Beds;

Edible Uses

Edible Parts: Flowers Leaves Root Edible Uses: The bulbs are edible raw or cooked, with a typical onion taste. Leaves are edible and can be chopped for flavoring, though stringy. The showy flowers are also edible and may be added fresh to salads or cooked [2-3]. Bulb - raw or cooked[161, 257]. They can be dried and stored for winter use[257]. The North American Indians would singe the bulb to reduce the strong flavour and then eat it immediately or dry it for later use[257]. Leaves - raw or cooked. Flowers - raw. Used as a garnish on salads.

Medicinal Uses

Although no specific mention of medicinal uses has been seen for this species, members of this genus are in general very healthy additions to the diet. They contain sulphur compounds (which give them their onion flavour) and when added to the diet on a regular basis they help reduce blood cholesterol levels, act as a tonic to the digestive system and also tonify the circulatory system[K].

Known Hazards

Although no individual reports regarding this species have been seen, there have been cases of poisoning caused by the consumption, in large quantities and by some mammals, of certain members of this genus. Dogs seem to be particularly susceptible[76].