Ideal Temperature for Lady's thumb

Images of Lady's thumb

Lady's thumb(Persicaria maculosa)
Lady's thumb(Persicaria maculosa)
Lady's thumb(Persicaria maculosa)
Lady's thumb(Persicaria maculosa)

Signs of Cold Stress in Lady's thumb

Symptoms

Lady's thumb tolerates cold well and flourishes optimally when temperatures exceed 65℉. In winter, maintain temperatures above 50℉. If temperatures drop below 40℉, while winter changes might be unnoticeable, spring may see reduced or absent sprouting.

Solutions

In spring, remove any sections that have not sprouted.

Signs of Heat Stress in Lady's thumb

Symptoms

During summer, Lady's thumb should be kept below 75℉. When temperatures surpass 85℉, the plant's leaves might lighten, curl, become prone to sunburn, and in severe cases, the entire plant may 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. Water the plant in the morning and evening to maintain soil moisture.

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