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Lobelia cardinalis is one of the most beginner-friendly stem plants available, tolerating a wide range of lighting and water conditions. It grows more compactly under higher light and develops more intense purple colouration on the leaf undersides.

Rotala wallichii is best grown in groups of 5–10 stems for maximum visual impact. It prefers soft, slightly acidic water and benefits greatly from CO₂ injection and high lighting to achieve its signature pink-red colouration.