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Datasheet
| Aquarium Compatible | yes |
| Plant Outdoor | yes |
| Plant Emersed Growth | yes |
| Plant Growth | fast |
| Temperature Tolerance | 18°C / 64.40°F - 30°C / 86.00°F |
| Temperature | 23°C / 73.40°F - 27°C / 80.60°F |
| Carbonate Hardness | 0-14 kh |
| pH Value | 5-7 ph |
| Light | medium-high |
| Carbon Dioxide (CO2) | 20-40mg/lmg/l |
| Nitrate (NO3-) | 10-50mg/lmg/l |
| Phosphate (PO43-) | 0.1-3mg/lmg/l |
| Potassium (K+) | 5-30mg/lmg/l |
| Iron (Fe) | 0.01-0.5mg/lmg/l |
General Description
Persicaria hydropiperoides is a knotweed native to large parts of North, Central, and South America. Its resemblance to water pepper (Persicaria hydropiper) is reflected in its species name. This plant is typically found in stagnant waterbodies, often growing partially submerged. It is easily identifiable by its upright inflorescence and tiny white flowers. Despite its green color being less vibrant than related species, P. hydropiperoides possesses its own subtle beauty, thriving under strong lights and ample nutrients, which enhance its undulating leaves.
Aquarium Suitability
Considered a medium-difficulty plant, P. hydropiperoides is suitable for aquariums and is recommended for tanks of at least 150 liters due to its size. It grows well under low light conditions but flourishes with strong lighting and sufficient nutrients. Its strict upright growth habit and moderate height make it a suitable back- or middleground plant. When planted densely, it creates an aesthetically pleasing optical effect and serves as a backdrop for red plants or as a structural element in a green aquascape.
Demands and Hardiness
(see table)
Aquascaping & Usage
When used in the aquarium, P. hydropiperoides can be placed in the background or midground. It thrives in semi-emersed conditions in open tanks and adds interest to lush green aquascapes. It complements red plants well and can create striking combinations with related knotweed species like Persicaria sp. 'Sao Paulo' due to their similar structures and growth habits but distinct colors.
Propagation
The propagation of P. hydropiperoides is primarily through cuttings, making it relatively easy to reproduce in aquarium settings.
Habitat and Distribution
In its natural habitat in America, P. hydropiperoides is commonly found in stagnant waterbodies, where it can grow partially submerged. However, in Europe, this knotweed species is less known as an aquarium plant and is not widely available in the trade.