Rotala rotundifolia

Rotala Rotundifolia Growing & Care Guide

Rotala Rotundifolia is the ultimate staple of modern aquascaping, celebrated for its narrow pinkish-red leaves and rapid growth. Native to Southeast Asia, this classic stem plant creates stunning, dense background bushes that sway gracefully in the water current, adding unparalleled depth to nature aquariums.

Lighting Moderate to High

Water Hardness Aquatic (pH 5.5-7.2)

Substrate Nutrient-rich aquasoil

Water Temp 20°C - 28°C

Toxicity Pet Friendly (Non-toxic)

Botanical macro photography of Rotala Rotundifolia (Rotala rotundifolia) - Plant AI care database

How to Identify Rotala Rotundifolia

Rotala Rotundifolia (Rotala rotundifolia) has key botanical markers. Recognizing these features is crucial for successful aquascaping and thriving growth.

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Visual Shape & Growth: Slender vertical red-pink stems covered in dense whorled narrow lanceolate leaves.
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Leaf Morphology: Submersed leaves are thin, elongated, and range from lime-green to brilliant reddish-pink under strong light.
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Root & Anchoring Structure: Fine, anchoring white roots shooting from stem nodes that absorb water columns nutrients.

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Complete Cultivation & Spawning Guide

Follow our detailed scientific water parameters and care guides to keep your Rotala Rotundifolia thriving.

pH: 5.5 - 7.2, GH: 3 - 10 dGH. Thrives in soft, slightly acidic water. Elevated carbonate hardness can stunt terminal bud growth.

Highly recommended. While it can survive without pressurized CO2, carbon injection is mandatory to achieve dense growth and vibrant red hues.

High lighting (at least 0.5 to 1.0 watt/liter) with a red spectrum is required to bring out its famous reddish-pink coloration. Low light will turn leaves green.

Cut stems at desired heights using sharp aquascaping scissors. Replant the severed tops to propagate; the remaining bottom stem will shoot new bushier branches.

Heavy feeder. Requires comprehensive liquid macro and micro dosing. Restricting nitrates slightly while dosing iron highlights deep reds.

Plant deep in nutrient-rich aquasoil. Root tabs should be added to older substrates as it feeds heavily from both roots and water column.

Thrives in standard tropical setups between 20°C and 28°C (68°F - 82°F). Sensitive to extreme, prolonged cold shocks.

Appreciates moderate, steady water flow to deliver carbon and liquid nutrients to all dense foliage layers, preventing stagnant decay.

100% safe. Delicate leaf texture is highly favored by dwarf shrimps for biofilm grazing. Large herbivorous fish may nibble new leaves.

Rapid growth outcompetes algae. Trim often to prevent light blockage and keep Amano shrimps to graze on new shoots.

Plant individual stems 0.5 inches apart using fine tweezers. Avoid planting in large clumps to ensure all leaves receive sufficient light.

Common Diseases & Treatment

Lower Leaf Drop (Shading)

Symptoms: Leaves on the bottom half of the stem turn yellow, decay, and fall off, leaving bare stems.

Action: Caused by shading in dense bushes. Prune the top canopy regularly to allow light to penetrate to the substrate level.

Rotala Stunting (Gala Disease)

Symptoms: Terminal growing buds turn twisted, pale, tiny, and stop growing.

Action: Usually caused by calcium deficiency, extreme carbonate hardness, or copper toxicity. Adjust water hardness and perform a 50% water change.

Frequently Asked Questions

How do I make my Rotala Rotundifolia red?

To achieve maximum red color, you need strong lighting, pressurized CO2, regular iron dosing, and slightly low nitrate levels in the water column.

Why is my Rotala turning green?

Under low to moderate light, Rotala will lose its red pigment and turn green to maximize chlorophyll absorption. Increase your lighting intensity and duration.

Can Rotala grow out of water?

Yes! In emersed setups, it grows rounder, thicker green leaves (hence 'rotundifolia') and produces beautiful purple flower spikes in damp soil.

How often do I need to prune Rotala?

Because it grows exceptionally fast (up to 2 inches a week under optimal conditions), it typically requires trimming every 10 to 14 days to maintain its shape.