Ideal Temperature for Bastard guelder

Images of Bastard guelder

Bastard guelder(Premna serratifolia)
Bastard guelder(Premna serratifolia)
Bastard guelder(Premna serratifolia)
Bastard guelder(Premna serratifolia)

Signs of Cold Stress in Bastard guelder

Symptoms

Bastard guelder thrives in warmth and cannot withstand cold. It grows optimally when temperatures exceed 68℉. In winter, maintain temperatures above 64℉. Below 61℉, leaves may lose color. Post-frost, they progressively turn brown or black, exhibiting wilting and drooping.

Solutions

Remove frost-damaged sections. Promptly relocate indoors to a warm area for protection. Position the plant near a south-facing window for ample light. Avoid placing near heating or AC vents to prevent air dryness.

Signs of Heat Stress in Bastard guelder

Symptoms

In summer, Bastard guelder needs temperatures below 86℉. Above 90℉, leaves lighten and the plant becomes more prone to sunburn.

Solutions

Remove sun-scorched and desiccated parts. Relocate the plant to a spot shaded from midday and afternoon sun. Water in the morning and evening to maintain soil moisture.

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