Asplenium antiquum Osaka is a cultivated compact variety of Japanese Bird’s Nest Fern. It develops an upright rosette of long shiny green leaves that have a ruffled, wavy edge, giving it a highly decorative appearance.
Asplenium is also sometimes known as Spleenwort, as it was once thought to be beneficial to the spleen. It is incredibly easy to look after making it a popular choice for your house plant collection.
Asplenium Osaka Bird’s Nest Fern Care & Info Guide
Horty Hints
Hates getting its hair wet! Water this fern from the base and not from above, watering from above can cause the crown to rot.
Don’t leave me high n’ dry! Browning on the frond tips is caused from a lack of humidity in the air. Moving to a humid room or frequent misting will prevent this.
Remove excess dust with a damp cloth, however take care to avoid tender new fronds. Avoid using leaf shine as the fronds are sensitive to chemicals.
Light
The Japanese Bird’s Nest Fern prefers moderate, indirect light. Avoid placing it in direct sunlight and deep shade. An east or north-facing window will serve the fern best.
Watering
Water thoroughly during the growing season but less so in the winter. Keep moist but do not allow to stand in water. Bird’s Nest Ferns are best watered around edge, directly onto the soil, as pouring into the crown may cause it to rot.
Temperature
Asplenium antiquum Osaka benefits from cool to average household temperatures between 16°C and 21°C. Avoid draughts.
Humidity
The antiquum Osaka does not like hot, dry conditions. Try to maintain at least some degree of humidity by misting regularly or relocating to steamier rooms. This plant is ideal for the bathroom or kitchen.
Feed
Does not require a lot of extra feeding. Apply a weak solution occasionally during the growth season.
Height & Growth Rate
This Bird’s Nest Fern is slow growing and has an ultimate indoor height of around 60cm, spreading to around 45cm. It can grow larger, but only in very humid conditions.
Origin
The Japanese Bird’s Nest Fern is native to Eastern Asia.







































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