Zones 4–10; it is exceptionally cold-hardy and heat-tolerant. Maintenance & Pruning
Standard and specialty varieties are available at retailers like NatureHills.com and McKay Nursery . adam's needle
Must be extremely well-draining; gritty, sandy, or rocky soils are ideal. leaves will become soft
Caused by overwatering or poor drainage; leaves will become soft, squishy, or yellow. adam's needle
Unique selections such as can be found at Plant Addicts . How to Grow and Care for Adam's Needle
You can find various cultivars like the variegated or 'Golden Sword' at several nurseries: