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🔥 All About Rotala rotundifolia ‘HRA’ – Growow TC Plant

Rotala rotundifolia 'HRA' is a highly sought-after red stem plant prized for its intense reddish-orange to deep red coloration and compact growth. This variety, believed to originate from Vietnam, performs beautifully in high-tech aquariums and is often used as a focal point or background accent in Dutch or Nature-style aquascapes. In Growow Tissue Culture (TC) form, it ensures a healthy, algae- and pest-free start.


🔍 Quick Overview

  • Scientific Name: Rotala rotundifolia 'HRA'

  • Common Name: Rotala HRA (Hrân đỏ – Vietnamese for red)

  • Family: Lythraceae

  • Origin: Cultivar from Southeast Asia

  • Type: Stem plant


🌱 Plant Characteristics

  • Height: 20–40+ cm

  • Leaf Shape: Narrow, needle-like leaves

  • Color: Pinkish to vibrant red under strong lighting

  • Growth Pattern: Upright, with bushy tops when trimmed

  • Growth Rate: Medium to fast with CO₂ and nutrients


💧 Tank Requirements

  • Lighting: Medium to high (intense light needed for red coloration)

  • CO₂: Required for vibrant color and healthy growth

  • Substrate: Nutrient-rich aquasoil or sand with root tabs

  • Water Parameters:

    • pH: 5.5–7.0

    • Temperature: 22–28°C (72–82°F)

    • Hardness: Soft to medium

  • Position in Tank: Midground to background


🧪 Growow TC Plant Benefits

  • Pest-free, algae-free, and clean start

  • Multiple healthy stems in one cup

  • Easy to acclimate and propagate

  • Perfect for starting or refining vibrant aquascapes


🌟 Why Choose Rotala ‘HRA’

  • Incredible red hues – stands out against green backgrounds

  • Great for Dutch-style color layering

  • Responds well to trimming – produces dense, bushy tops

  • Contrasts beautifully with green or light-colored plants

  • A dramatic choice for highlight areas in aquascapes


🧠 Tips for Success

  • Trim tops regularly and replant for thicker appearance

  • Dose iron and micronutrients to enhance red tones

  • Avoid shading – needs strong direct light

  • Works well alongside Rotala wallichii, Ludwigia, and Pogostemon erectus


💡 Did you know? Aquatic plants like Rotala change leaf color based on light intensity and nutrients — a process similar to how fall leaves change color due to chlorophyll breakdown and sugar build-up.

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