Ideal Temperature for Asian sword fern
Images of Asian sword fern
Signs of Cold Stress in Asian sword fern
Symptoms
Asian sword fern thrives in warmth and cannot withstand cold. It grows optimally when temperatures exceed 65℉. In winter, maintain temperatures above 60℉. Below 50℉, foliage may lose color. Post-frost, leaves progressively turn brown or black, exhibiting wilting and drooping.
Solutions
Remove frost-damaged sections. Promptly relocate indoors to a warm area for protection. Position the plant near a south-facing window for sufficient light. Avoid placing near heaters or AC vents to prevent air dryness.
Signs of Heat Stress in Asian sword fern
Symptoms
In summer, Asian sword fern should be kept below 75℉. When temperatures surpass 80℉, leaves lighten in hue, and the plant becomes more prone to sunburn.
Solutions
Remove any sunburned or desiccated portions. Relocate the plant to a spot offering shade from intense midday and afternoon sun. Water the plant in the morning and evening to maintain soil moisture.
