Elodea Densa
Price range: £7.25 through £55.99
Elodea densa is a very popular, fast‑growing UK oxygenating plant that naturally reduces pond algae, boosts oxygen levels and improves water clarity. Ideal for still ponds, streams and wildlife ponds — hardy, reliable and perfect for keeping water clean and healthy.
Elodea densa – A Very Popular Oxygenating Plant for Clear, Healthy Pond Water
Elodea densa is one of the most popular and reliable oxygenating plants in the UK, loved by pond keepers for its fast growth, strong oxygen output and excellent ability to help reduce algae. Its rapid nutrient uptake makes it a powerful natural competitor against blanketweed and green water, while its lush green foliage provides valuable habitat for fish and wildlife.
This hardy, adaptable plant thrives in both still and fast‑flowing water, making it suitable for everything from small garden ponds to large streams and water features. Simply drop a weighted bunch into shallow water (up to 50 cm deep), or anchor it with a stone in moving water, and it will quickly establish and spread.
Key Features
- Strong Oxygenator – Quickly boosts oxygen levels for healthier fish and clearer water.
- Great for Algae Control – Competes with algae for nutrients, helping reduce blanketweed and green water.
- Fast Growing – Rapidly fills the pond with dense, vibrant foliage.
- Versatile – Thrives in still ponds, streams and moving water.
- Easy to Introduce – Drop in as a weighted bunch or anchor with a stone.
- Hardy & Low‑Maintenance – Performs well from spring through autumn.
- Light Requirements – Full sun to part shade
- Depth Range – 5–50 cm
Recommended Quantities
For strong oxygenation and algae suppression:
| Pond Size | Recommended Amount |
|---|---|
| Small Pond (up to 1,000 L / 1m²) | 2–3 bunches |
| Medium Pond (1,000–5,000 L / 1–5m²) | 4–8 bunches |
| Large Pond (5,000–20,000 L / 5–20m²) | 8–15+ bunches |
For ponds with persistent algae issues, use the higher end of the range.
Planting & Care
- Drop into shallow water as a weighted bunch.
- Anchor with a stone or brick in moving water.
- Trim back excess growth during summer.
- Performs best when combined with surface‑shading plants like lilies.
- Hardy and low‑maintenance — ideal for beginners and experienced pond keepers.
How Elodea densa Compares to Other Oxygenators
| Oxygenator | Algae Control Strength | Growth Style | Best For | Notes |
|---|---|---|---|---|
| Elodea densa | Excellent | Rooted or floating | Still & moving water | Fast nutrient uptake; great for blanketweed control |
| Hornwort | Excellent | Free‑floating | Deep ponds, fish ponds | Strong oxygenation at depth; no rooting needed |
| Elodea crispa | Very Good | Rooted | Ornamental ponds | Attractive curly foliage; structured growth |
| Callitriche stagnalis (Starwort) | Good | Rooted | Shallow ponds | Great surface cover; softer growth |
| Hottonia palustris (Water Violet) | Moderate | Rooted | Clear, low‑nutrient ponds | Decorative flowering oxygenator |
Why choose Elodea densa?
- Very popular, fast‑growing oxygenator
- Thrives in both still and moving water
- Excellent for beginners
- Strong nutrient uptake to outcompete blanketweed
- Elodea densa pond algae control
- Fast‑growing oxygenating plant UK
- Natural blanketweed reduction
- Pond plants for green water control
- Oxygenating plants for fish ponds
- Hardy UK pond plants for algae‑prone ponds
- Improve pond clarity naturally
- Easy pond plants for beginners
- Elodea densa for still and moving water
- Popular oxygenating plant for UK ponds
| POT SIZE | Pack of 10, Pack of 20, Pack of 3, Pack of 30, Pack of 5 |
|---|
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