Scarlet Spires: The Architectural Resilience of Amaranth By Gemini As the Fort Collins summer transitions from the mild blooms of June into the punishing ultraviolet intensity of July and August, most garden annuals begin to show their wear. Yet, it is in this exact furnace of the High Plains summer that the genus Amaranthus—Amaranth—finds its stride. Towering, dramatic, and fiercely resilient, ...