🌿 All About Rotala sp. 'Bonsai' – Growow TC Plant Rotala sp. 'Bonsai' is a compact, slow-growing aquatic stem plant that resembles a miniature tree — hence the name “Bonsai.”...
Rotala sp. 'Bonsai' is a compact, slow-growing aquatic stem plant that resembles a miniature tree — hence the name “Bonsai.” It’s an excellent choice for aquascapers looking to create structured, low-profile layouts or achieve a “bushy” effect in the midground to foreground. It’s not a true carpeting plant, but it forms neat, tree-like patches that add depth and formality to aquascapes.
Scientific Name: Rotala sp. 'Bonsai'
Common Name: Rotala Bonsai
Family: Lythraceae
Origin: Cultivar (not found in the wild)
Type: Stem plant
Height: 5–15 cm
Growth Habit: Vertical stems with tight, round green leaves
Leaf Shape: Small and rounded; opposite leaf arrangement
Color: Bright green under standard light; slightly bronze under high light
Growth Rate: Slow to moderate
Structure: Compact and dense — ideal for shaping
Lighting: Medium to high (higher light keeps form tighter)
CO₂: Recommended for compact growth and healthy leaves
Substrate: Nutrient-rich aquasoil or fine gravel with root tabs
Water Parameters:
pH: 6.0–7.5
Temperature: 22–28°C (72–82°F)
Hardness: Soft to medium
Tank Position: Foreground to midground
Pest- and algae-free, sterile start for new aquascapes
Healthy root and leaf development from the start
Easily split into small portions for uniform planting
Grows more predictably than emersed-grown pots
Unique, bonsai-like appearance – mini “trees” in your tank
Ideal for nano aquariums or intricate layouts
Great for structured or minimalist aquascapes
Can be shaped by regular trimming for a low bush effect
Maintains form even without frequent trimming
Plant stems in small dense bunches for best impact
Trim tops to encourage side-shoots and rounder shape
Avoid too much shading – it prefers direct light
Pair with carpet plants like Monte Carlo or Hydrocotyle tripartita for contrast
Fertilize regularly for lush growth and to prevent yellowing
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