Allium cernuum, Allum geyeri (Wild Onion, Geyer's Onion) [Home] | [Books] | [Links] | [Message Board] Click photo to enlarge More Photos: Habitat: Very common from plains to subalpine areas. Grows in moist meadows and hillsides. Smell: Onion Edibility: Edible Color: Lavender Description: Pink, lavender to white flowers. Smells strongly of onion. Be careful not to confuse with a close look-a-like the death camas. There are many similar onions that grow in the from the plains to treeline. These onions are very common throughout Colorado. We cooked many of these over the fire on a backpacking trip with our trout. They are a very good onion with lots of earthy flavor. Many need to be collected for a meal.