Armoracia Aquatica (Physostegia Purpurea) is often confused with Rorippa Aquatica, though it is a different species. A stem plant with a unique leaf shape, green in color, and very easy to maintain — suitable for foreground to midground placement. Care at a glance Light: Medium-high CO₂: Recommended pH: 6–7 Substrate: Required (nutrient-rich) Growth Rate: Slow-medium Difficulty: Beginner What You'll Receive Sold as a Fresh-cut Plant, Bunched plant, or Potted plant Fresh-cut plants: 2 stems, loose fresh-cut plants Bunched plants: 2-3 fresh-cut plants with foam, and lead weight Potted plants: 2-3 fresh-cut plants with net pot and rock wool Disclaimer: Pictures are not the actual plants you will receive, but a sample representation. Unless specific, we don't guarantee aquatic plants will be free of pests, pesticides, grow emerged, or submerge. Please never release aquatic plants into local waterways.