Needle Leaf Agave. Prefers bright direct sun and well-draining soil. This plant will grow up to 2-3' tall and wide, forming many long, flexible leaves as it grows. When this plant is mature it will grow flowers formed in pairs on spikes measuring 8 to 10 feet. The species name 'geminiflora' meaning 'twin flowered' is in reference to the flower pairs. Native to Nayarit, Mexico.