You can find various cultivars like the variegated or 'Golden Sword' at several nurseries:
Unique selections such as can be found at Plant Addicts . How to Grow and Care for Adam's Needle
The plant is toxic to pets and humans if ingested. Purchasing Options adam's needle
Cut spent flower spikes down to the base in late summer to keep the plant tidy.
Must be extremely well-draining; gritty, sandy, or rocky soils are ideal. You can find various cultivars like the variegated
Full sun is essential (6-8 hours daily) for strong growth and flowering.
Caution is required as leaf tips are sharp enough to pierce skin; keep away from walkways. Potential Issues adam's needle
Generally resistant, but can be affected by yucca weevils (which eat the roots), scale, or mealybugs.