Because of this dormancy, another perennial or annual should be placed nearby to cover the dying foliage. This plant can be used in the shade garden and as a cut flower. On a calm summer evening, the gas can reportedly be ignited with a match. A brief blue flame is created without damaging the flowers. The large, showy, terminal racemes appear in late spring to early summer.
Colors range from white to pink to rose-violet.
This plant will grow to a height of 2 to 3 feet and an equal width. Gas plant prefers a sunny location with moderately fertile soil. Because the gas plant grows very slowly and does not transplant well, gardeners should carefully select its planting site and exercise patience. Do not disturb plants if at all possible. Uses for this perennial include specimen plantings and attractive seed pods.