Ideal Temperature for Jacob's ladder

Images of Jacob's ladder

Jacob's ladder(Polemonium reptans)
Jacob's ladder(Polemonium reptans)
Jacob's ladder(Polemonium reptans)
Jacob's ladder(Polemonium reptans)

Signs of Cold Stress in Jacob's ladder

Symptoms

Jacob's ladder tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, it needs to be maintained above 50℉. If the temperature drops below 40℉, while no immediate changes might be apparent in winter, reduced or absent sprouting could occur in spring.

Solutions

In spring, remove any sections that have not sprouted.

Signs of Heat Stress in Jacob's ladder

Symptoms

During summer, Jacob's ladder should be kept below 75℉. When temperatures surpass 85℉, the plant's leaves might lighten in hue, tend to curl, become prone to sunburn, and in severe instances, the whole plant could wilt and dry out.

Solutions

Prune off any sun-damaged and desiccated portions. Relocate the plant to a spot offering protection from the midday and afternoon sun, or employ a shade cloth for cover. Water the plant in the morning and evening to maintain soil moisture.

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