Dwarf arrowhead
Sagittaria subulata "Pusilla"
Dwarf arrowhead
- Grasslike foreground plant
- Forms a dense lawn
- Lower than standard Sagittaria subulata
- Undemanding
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Description
The Dwarf arrowhead stays lower than the "standard" form of Sagittaria subulata when it is grown under the same conditions. With lavish nutrient and CO2 supply, it reached a height of about 15 cm in our aquariums, otherwise it should remain lower in most cases. It is very well suited as a grass-like, undemanding ground cover, also in "low tech" tanks without additional CO2.
Sagittaria subulata "Pusilla" grows most luxuriant in nutrient-rich substrate and with CO2 addition, the light demand is moderate. However strong lighting, moderate nutrient supply and rather low CO2 concentration contribute to low growth. The plant also tolerates hard, slightly alkaline water. The optimum temperatures are 18 to 28 °C; temperatures below 10 and up to 30 °C are tolerated. For planting, single plants with some space to each other are spread over the provided area. With time, they grow together with their underground runners. Too lush stands should be thinned out, also a deep trim close to the bottom surface is possible.
In the foreground of warm and cold water aquariums, Sagittaria subulata "Pusilla" is a robust ground cover. With its low demands, it is recommended for aquarium beginners and for the initial planting of new tanks. It is also interesting for North America-themed biotope tanks. Occasionally its floating inflorescences with nice white flowers may appear at the water surface.
Under the names "Sagittaria pusilla" or "Sagittaria subulata var. pusilla" an arrowhead is sold that is said to develop a lower growth habit than the "normal" form of Sagittaria subulata when it is grown in the same conditions. The overall height of S. subulata forms depends very much on the conditions they are cultivated in (please see the entry for Sagittaria subulata). There is indeed a Sagittaria form which stays reliably low under the same conditions, but this plant is rarely cultivated. However, at least in part the "Sagittaria pusilla" plants may get 30 cm or more.
To be continued...
| Common names | Dwarf arrowhead |
| Complete botanical name | Sagittária subuláta (L.) Buchenau |
| Family | Alismataceae |
| Genus | Sagittaria |
| Difficulty | easy |
| Usage | Midground, Nano tanks, Foreground, group, Foreground, ground cover |
| Growth | medium |
| pH value | 5 - 9 |
| Temperature tolerance | 4 - 30°C |
| Carbonate hardness | 2 - 30°dKH |
| General hardness | 0 - 30°dGH |
| Propagation | Runners |
| Can grow emersed? | yes |
| Source | Flowgrow |
| Common names |
| Dwarf arrowhead |
| Complete botanical name |
| Sagittária subuláta (L.) Buchenau |
| Family |
| Alismataceae |
| Genus |
| Sagittaria |
| Difficulty |
| easy |
| Usage |
| Midground, Nano tanks, Foreground, group, Foreground, ground cover |
| Growth |
| medium |
| pH value |
| 5 - 9 |
| Temperature tolerance |
| 4 - 30°C |
| Carbonate hardness |
| 2 - 30°dKH |
| General hardness |
| 0 - 30°dGH |
| Propagation |
| Runners |
| Can grow emersed? |
| yes |
| Source |
| Flowgrow |
How many plants do I need?
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