Slender pondweed
Potamogeton gayi
Slender pondweed
- Delicate pondweed species from South America
- Dark green to red-brown tones
- Fast growth, easy propagation
- Low demands
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Description
Potamogeton gayi is a narrow-leaved pondweed from southern South America. Although long known as reliable, undemanding aquarium plant, it is rather rarely available in recent times. The plant forms a dense stand in short time and propagates by underground runners. The grass-like narrow leaves are green to brown-red.
Gay's pondweed has only little demands and grows also in hard water. CO2 supply is not necessary but promotes the growth. Potamogeton gayi comes from subtropical areas with quite cool winters, so it can be used in unheated tanks. It is especially recommended for the midground and background of natural layouts as well as for breeding tanks. As it spreads by runners, it should be placed with a sufficient distance from slow-growing, low and ground-covering plants.
Please be aware that the bunch/potted variation of this plant could contain snails and other invertebrates.
Potamogeton gayi is a delicate narrow-leaved pondweed species quite widely spread in the south of South America outside the tropics (Southern Brazil, Argentine). There it grows submersed in stagnant and flowing waterbodies.
Potamogeton gayi has long been known in the aquarium hobby as it is a robust fast grower, however, more recently its dispersion in cultivation and in trade has decreased.
Like in most other Potamogeton species, the thin rhizomes of P. gayi grow creeping and branch out in the substrate. From them, vertical stems grow out at regular distances.
These stems may grow up to a length of about a metre. The lineal leaves grow in two alternate lines on the stem, don't have a stalk and reach a length of 4 to 12 cm and a width of 2 to 5 mm. They are quite soft, translucent, and, depending on the light, their colour can be from green to orange brown. (read more)
| Complete botanical name | Potamogéton gáyi A.Benn. |
| Family | Potamogetonaceae |
| Genus | Potamogeton |
| Difficulty | easy |
| Usage | Background, Midground |
| Growth | fast |
| pH value | 6 - 8 |
| Temperature tolerance | 4 - 28°C |
| Carbonate hardness | 2 - 14°dKH |
| General hardness | 0 - 30°dGH |
| Propagation | Runners, Cuttings |
| Can grow emersed? | no |
| Source | Flowgrow |
| Complete botanical name |
| Potamogéton gáyi A.Benn. |
| Family |
| Potamogetonaceae |
| Genus |
| Potamogeton |
| Difficulty |
| easy |
| Usage |
| Background, Midground |
| Growth |
| fast |
| pH value |
| 6 - 8 |
| Temperature tolerance |
| 4 - 28°C |
| Carbonate hardness |
| 2 - 14°dKH |
| General hardness |
| 0 - 30°dGH |
| Propagation |
| Runners, Cuttings |
| Can grow emersed? |
| no |
| Source |
| Flowgrow |
General information
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Customer reviews
3 Reviews
| 5 Stars(3) |
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| 1 Star(0) |
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Beautifull plant one of my favorites and not much explored in the aquascaping...give her light and space she will reveal herself.
Very very nice, very good quality, Package excellent with polystyrene box. Excellent recovery of feet planted in the aquarium, very satisfied.