Douglas' Onion

Allium douglasii

Physical Characteristics

Allium douglasii is a BULB growing to 0.3 m (1ft) by 0.1 m (0ft 4in). It is in flower from July to August. 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 dry or moist soil.

Distribution

Western N. America - Washington to Oregon and Idaho.

Habitats

Cultivated Beds;

Edible Uses

Edible Parts: Flowers Leaves Root Edible Uses: Bulb - raw or cooked. A mild and sweet flavour, it can be sliced and used in salads or used as a vegetable or flavouring in cooked foods[203, K]. The bulb is up to 3cm long and 2cm wide[270]. 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].