C. cusickii originally appeared in horticultural journals in the late 1800s, but they have been sold and cultivated for about thirty years.

The flowers are slightly zygomorphic with the tepals withering separately after anthesis (baby blue in color).

[2] The flowers in the wild have a deeper, darker hue compared to their garden forms tending to be a lighter blue color.

[5] This species spreads over Eastern Oregon in a variety of the local climates, from Mount Hebo on the North Coast, to the isolated area of the Hell's Canyon overlook.

[8] Cusick's camas self-seed and germinate easily, as long as they find rich, moist, and well-drained soil.

[11] The evolutionary path and species' variability within the genus Camassia have not been thoroughly studied, partly due to the fact that they have likely been influenced by "hybridization and geographic isolation" in North America.

[16][17] C. cusickii is commonly confused with its near sister relative the C. quamash, which Native Americans would harvest the roots to consume as raw vegetables, or they boiled them to create a "sweet, molasses-like treat.

Camassias can be propagated by removing the offsets that have formed round the main bulbs and replanting them individually; do this in summer when they are dormant.

[23] On the flower there is also a very attractive darker blue selection, 'Zwanenburg', which is named after the place in Haarlem, in the Netherlands, where the famous van Tubergen bulb nursery was based for many years.