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Zones 4–10; it is exceptionally cold-hardy and heat-tolerant. Maintenance & Pruning
The plant is toxic to pets and humans if ingested. Purchasing Options
Unique selections such as can be found at Plant Addicts . How to Grow and Care for Adam's Needle adam's needle
Minimal; water weekly during the first year, then only during extreme droughts.
Must be extremely well-draining; gritty, sandy, or rocky soils are ideal. water weekly during the first year
You can find various cultivars like the variegated or 'Golden Sword' at several nurseries:
Caution is required as leaf tips are sharp enough to pierce skin; keep away from walkways. Potential Issues adam's needle
Cut spent flower spikes down to the base in late summer to keep the plant tidy.