Ideal Temperature for Yellow thistle

Images of Yellow thistle

Yellow thistle(Cirsium horridulum)
Yellow thistle(Cirsium horridulum)
Yellow thistle(Cirsium horridulum)
Yellow thistle(Cirsium horridulum)

Signs of Cold Exposure in Yellow thistle

Symptoms

Yellow thistle 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 winter changes might be apparent, a reduction or absence of sprouting could occur in spring.

Solutions

In spring, remove any sections that have not sprouted.

Signs of Heat Stress in Yellow thistle

Symptoms

During summer, Yellow thistle should be kept below 75℉. When temperatures surpass 85℉, the plant's foliage might lighten, curl, become prone to sunburn, and in severe instances, the entire plant could wilt and dry out.

Solutions

Remove any sun-damaged and desiccated portions. Relocate the plant to a spot offering protection from 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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