Giant Sagittaria (Sagittaria platyphylla) Care Guide
A large and vigorous rosette plant with broad, ribbon-like leaves that can reach impressive heights. Spreads aggressively via runners and quickly fills in background space.
Overview
Sagittaria platyphylla is an aquatic plant in the family Alismataceae. A large and vigorous rosette plant with broad, ribbon-like leaves that can reach impressive heights. Spreads aggressively via runners and quickly fills in background space. Very hardy and tolerant of a wide range of water conditions, making it ideal for beginners.
Taxonomy
- Family: Alismataceae
- Genus: Sagittaria
- Scientific name: Sagittaria platyphylla
- Other names: Delta Arrowhead, Sagittaria platyphylla
Habitat
Native to the eastern United States, ranging from central Texas to the Florida Panhandle north to southern Illinois. An emergent perennial herb of ponds, lakes and slow streams that reproduces through corms, stolons and seeds.
Growth requirements
- Light: low (≈30-50 PAR at substrate)
- CO2: optional (CO2 improves growth and coloration)
- Temperature: 18-28 °C
- pH: 6-8
- GH: 3-18 °dGH
- Substrate: any (rootless or floating)
- Nutrient demand: low
- Growth rate: fast
- Difficulty: beginner
Placement
- Recommended placement: background
- Maximum height: 50 cm
- Trim every: 14 days
Propagation
In cultivation the plant is propagated by runners (daughter plants on horizontal stolons).