Ideal Temperature for Tuberous sword fern
Images of Tuberous sword fern
Signs of Cold Stress in Tuberous sword fern
Symptoms
Tuberous sword fern thrives in warmth and cannot withstand cold. Optimal growth occurs above 60℉. In winter, maintain temperatures above 50℉. Below 40℉, 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 proximity to heaters or AC vents to prevent air desiccation.
Signs of Heat Stress in Tuberous sword fern
Symptoms
In summer, Tuberous sword fern needs temperatures below 75℉. Exceeding 85℉ causes leaf discoloration and increased susceptibility to sunburn.
Solutions
Remove sun-scorched and desiccated portions. Relocate the plant to a spot offering protection from intense midday and afternoon sun. Water the plant during morning and evening hours to maintain soil moisture.











