Ideal Temperature for Hairy willowherb

Images of Hairy willowherb

Hairy willowherb(Epilobium hirsutum)
Hairy willowherb(Epilobium hirsutum)
Hairy willowherb(Epilobium hirsutum)
Hairy willowherb(Epilobium hirsutum)

Indications of Cold Temperatures in Hairy willowherb

Symptoms

Hairy willowherb tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, it needs to be maintained above 50℉. If the temperature drops below 32℉, while no immediate changes might be apparent in winter, there could be reduced or absent sprouting in spring.

Solutions

In springtime, remove any sections that have not sprouted.

Indications of High Temperatures in Hairy willowherb

Symptoms

During the summer, Hairy willowherb should be kept below 75℉. When temperatures surpass 85℉, the plant's foliage may lighten, curl, become prone to sun damage, and in severe instances, the entire plant might wilt and desiccate.

Solutions

Remove any sun-damaged and dried-out portions. Relocate the plant to a spot offering protection from the midday and afternoon sun, or use a shade cloth for cover. Water the plant in the morning and evening to maintain soil moisture.

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