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Oldenlandia salzmannii
Oldenlandia salzmannii
Oldenlandia salzmannii is a versatile, medium-growing aquarium plant ideal for midground placement, where it forms lush, compact bushes.
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20 - 28 °C
6 - 7.5
Freshwater
Medium - High
Medium - High
2 - 10 dKH
Species description
Originating from the tropical and subtropical regions of Central and South America, Oldenlandia salzmannii thrives in both aquatic and semi-aquatic environments. It is typically found along the banks of rivers, streams, and in damp or marshy areas, where its roots can anchor themselves in muddy or sandy substrates. Its ability to adapt to both full submersion and periods of emersion makes it a robust and flexible species for aquariums. In nature, it often grows in dense clumps, forming carpets along the water's edge, contributing significantly to local biodiversity. Oldenlandia salzmannii belongs to the vast Rubiaceae family, a botanical group that also includes well-known plants such as coffee and Gardenia.
Care, breeding and tankmates
Maintaining stable water parameters is crucial for the health of Oldenlandia salzmannii, although the plant is relatively adaptable. Water temperature should be kept within the ideal range of 20-28 C, avoiding extreme fluctuations that could stress the plant. The ideal pH is between 6.0 and 7.5, a slightly acidic to neutral range that reflects its natural habitat. Carbonate hardness (KH) should be between 2 and 12, ensuring sufficient pH stability without excessive alkalinity. Regularly monitoring these parameters and performing weekly partial water changes helps prevent the accumulation of harmful substances and replenishes essential minerals.
Geographic Origin and Distribution
This species originates from: Central and South America.
Origin
Plant profile
- Placement
- Midground
- Botanical form
- Stem
- Growth
- Medium
- Substrate
- Medium
- Column fertilization
- Recommended
- Root fertilization
- Optional
- Trimming
- Occasional
- Propagation
- Cuttings
- Sensitivity
- Moderate
- Layout role
- Midground, group
It is an excellent choice for the midground. It can be planted in groups to form a dense, bright green bush. Position it where it won't be heavily shaded by taller background plants.
A delicate-looking stem plant with small, bright green, opposite leaves. It has a slightly creeping and bushy growth habit naturally, making it distinct from strictly vertical stem plants.
It exhibits a moderate to fast growth rate when conditions are optimal. It responds well to CO2 and high light, which encourages it to grow more compactly.
Regular dosing of a complete liquid fertilizer ensures the small leaves remain bright green and healthy. Micronutrients, especially iron, help prevent the new growth from becoming pale.
A nutrient-rich substrate or the addition of root tabs will significantly improve its growth rate and bushiness. Strong roots allow the plant to better anchor and branch out.
It responds exceptionally well to regular topping. Trim the tops to encourage side shoots and a much denser appearance. The trimmed tops can be replanted.
Very easy to propagate by taking stem cuttings. Simply snip the healthy top portions and replant them directly into the substrate where they will quickly root.
It can drop its lower leaves if heavily shaded or if the lighting is insufficient. It requires decent light penetration all the way to the substrate to stay bushy at the base.
Excellent for creating dense, bright green midground transitions. It's often used in Nature Aquarium layouts to create a soft bridge between carpeting plants and taller background stems.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
Related species
Recommendations grouped by close relatives, companion choices, and similar care.
Variants and close relatives
Same atlas type, nearby scientific identity, genus, or family.
Recommended companions
Compatible cards from coherent ecosystems with matching parameters.
Similar care
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