Purple Sea Holly (Eryngium planum) 
Unique, spiky purple-blue flowers with silvery-green, thistle-like foliage!

  1. Light: Full sun.
  2. Water: Allow soil to dry between waterings, drought-tolerant once established.
  3. Soil: Well-draining, sandy or gravelly mix.
  4. Temp: 60-75°F (16-24°C).
  5. Humidity: Low to moderate.
  6. Fertilizer: Rarely needed; enrich soil with compost annually.
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