Microsorum thailandicum, known as the blue oil fern, is a rare Southeast Asian epiphyte admired for its shimmering, iridescent blue-green fronds that glow in low light. It thrives in high humidity (60–80%), low to moderate indirect light, and temperatures between 18–28°C, making it ideal for terrariums or shaded indoor setups. Use a chunky, well-draining mix of orchid bark and perlite, keep roots consistently moist with pure water, and avoid direct sun or dry spells to preserve its vivid coloration and delicate growth.
Microsorum thailandicum, known as the blue oil fern, is a rare Southeast Asian epiphyte admired for its shimmering, iridescent blue-green fronds that glow in low light. It thrives in high humidity (60–80%), low to moderate indirect light, and temperatures between 18–28°C, making it ideal for terrariums or shaded indoor setups. Use a chunky, well-draining mix of orchid bark and perlite, keep roots consistently moist with pure water, and avoid direct sun or dry spells to preserve its vivid coloration and delicate growth.
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