Fast DeliveryADA – Pogostemon helferi (Downoi) [High Tech]
- Small highly decorative plant
- Curled, very narrow leaves
- Eyecatcher for the fore- and middleground
- Very popular in aquascaping
Also called “daonoi” or “downoi” (Thai for “litte star”), Pogostemon helferi has been known to science for over 120 years, however, it was only discovered for aquaristic purposes in 1996, by Nonn Panitvong and Arthit Prasartkul, who found it in the Thai province Kanchanaburi, on the border to Myanmar. Within only a short period, P. helferi has become a very popular aquarium plant for the fore- and middleground.
These authors found the species on a fast-flowing river with limestone ground. The plants grow on and between rocks, submersed for most of the rainy season in summer, and often in a strong current. During autumn and winter, the populations of P. helferi fall dry and form upright shoots with striking flower spikes typical for the genus Pogostemon.
| Common names | Downoi |
| Synonyms | Anuragia helferi (Hook. f.) Raizada, Dysophylla helferi Hook. f., Eusteralis helferi (Hook. f.) Panigrahi |
| Complete botanical name | Pogostémon hélferi (Hook. f.) Press |
| Family | Lamiaceae |
| Genus | Pogostemon |
| Difficulty | medium |
| Usage | Epiphyte (growing on hardscape), Midground, Nano tanks, Foreground, group |
| Growth | medium |
| pH value | 5 – 7 |
| Temperature tolerance | 15 – 28°C |
| Carbonate hardness | 2 – 14°dKH |
| General hardness | 0 – 30°dGH |
| Propagation | Cuttings, Splitting, cutting off daughter plants |
| Can grow emersed? | yes |
| Source | Flowgrow |
Are you not sure if this aquarium plant will grow in your tank? We have made a guide to aid in growing/understanding aquatic plants. Check it out >here<. View other plants that will grow in: ( Low Tech | Medium Tech | High Tech | All Plants )
*This is a Tissue Culture Plant. They are grown in a Laboratory and are guaranteed to be snail, algae and pesticide-free. They are more expensive, even if the plant itself is smaller, the portion size is bigger. We recommend rinsing all tissue culture plants with dechlorinated water before planting.
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