Ideal Temperature for California tree poppy

Images of California tree poppy

California tree poppy(Romneya coulteri)
California tree poppy(Romneya coulteri)
California tree poppy(Romneya coulteri)
California tree poppy(Romneya coulteri)

Signs of Cold Temperatures in California tree poppy

Symptoms

California tree poppy tolerates cold well and flourishes optimally when temperatures are above 60℉. In winter, it needs to stay above 50℉. If temperatures drop below 32℉, while no immediate winter changes might be apparent, spring may see reduced or absent sprouting.

Solutions

In spring, remove any sections that have not sprouted.

Signs of High Temperatures in California tree poppy

Symptoms

In summer, California tree poppy should be maintained below 75℉. When temperatures surpass 85℉, the plant's leaves might lighten, curl, become prone to sunburn, and in severe instances, the entire plant could wilt and dry out.

Solutions

Prune off 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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