Ideal Temperature for Tropical wild petunia

Images of Tropical wild petunia

Tropical wild petunia(Ruellia brevifolia)
Tropical wild petunia(Ruellia brevifolia)
Tropical wild petunia(Ruellia brevifolia)
Tropical wild petunia(Ruellia brevifolia)

Signs of Cold Stress in Tropical wild petunia

Symptoms

Tropical wild petunia tolerates cold well and flourishes optimally when temperatures exceed 60℉. In winter, it needs to stay above 50℉. If the temperature drops below 40℉, while no immediate winter changes might be apparent, spring may see reduced or absent sprouting.

Solutions

In spring, remove any sections that did not sprout.

Signs of Heat Stress in Tropical wild petunia

Symptoms

In summer, Tropical wild petunia should be maintained below 75℉. When temperatures surpass 85℉, the plant's foliage might lighten, curl, become prone to sun damage, and in severe instances, the whole plant could 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 fabric. Water the plant in the morning and evening to maintain soil moisture.

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