Heart fern (Hemionitis arifolia) is a diminutive, terrestrial fern native to tropical Asia and the Pacific. Its namesake leaves are perfectly heart-shaped, glossy, dark green, and borne on slender, wiry black stems 3–6 inches tall. The plant forms a low, creeping clump via short rhizomes. Its tiny stature and adorable foliage make it a darling of terrariums, fairy gardens, and small pots.
**High humidity essential** (terrarium ideal). Bright, indirect light. Constantly moist, well-draining, rich soil. Warm temperatures (65–80°F / 18–27°C). Avoid water on leaves. Fertilize very lightly. Not frost hardy; strictly tropical/indoor.
| Family: | Hemionitidaceae |
| Genus: | Hemionitis (hem-ee-oh-NYE-tiss) |
| Species: | arifolia (air-ih-FOH-lee-uh) |
| Synonyms: | Asplenium arifolia, Gymnogramma arifolia, Hemionitis cordata, Hemionitis cordifolia, Hemionitis sagittata |
Tiny, heart-shaped, and utterly charming—heart fern wins every heart it meets.
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