Pogostemon helferi

Downoi

Pogostemon helferi

Downoi

  • Small highly decorative plant
  • Curled, very narrow leaves
  • Eyecatcher for the fore- and middleground
  • Very popular in aquascaping
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Description

"Daonoi" is an odd plant growing in fast-flowing rivers in northwest Thailand on limestone. It was long only known to science, but some years ago, some aquarists from Thailand discovered it for the hobby. It is characterised by compact growth, curly leaves and a nice light green hue.

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.

This Pogostemon species is easy in cultivation, given that specific requirements are met: sufficient light (0. (read more)

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
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

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Customer reviews

This item has been rated 4.4 out of 5 stars
35 Reviews
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5 Stars(27)
4 Stars(1)
3 Stars(3)
2 Stars(2)
1 Star(2)
Andrea F.
Good product
8th March 2022
Pogostemon helferi - in Vitro XL
Pogostemon helferi - in Vitro XL

One of the best in vitro plant that i ever bought, gel was clear a lot of white roots and lush green

Natasja S.
My personal favourite foreground plant
4th November 2021
Pogostemon helferi - pot
Pogostemon helferi - pot

Love this plant so much! It is so easy to keep (but you do need to do some maintenance when it gets too bushy and starts overtaking other plants around it) and provides great... (read more)

Sauca E.
Nice healthy Plant
19th December 2020
Pogostemon helferi - pot
Pogostemon helferi - pot

Very Nice plant, arrived in very good condition. Was packed very well.

I ‘ m very satisfied with the purchase.

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