Ideal Temperature for Goldencup St. John's wort
Images of Goldencup St. John's wort
Signs of Cold Stress in Goldencup St. John's wort
Symptoms
Goldencup St. John's wort 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, branches can become brittle and dry by spring, preventing new growth.
Solutions
In spring, remove any dead branches that have not produced new foliage.
Signs of Heat Stress in Goldencup St. John's wort
Symptoms
In summer, Goldencup St. John's wort should be maintained below 75℉. When temperatures surpass 85℉, the plant's leaves might lighten in hue, tips could dry and shrivel, and it becomes more prone to sun damage.
Solutions
Remove any sun-damaged and desiccated sections. Relocate the plant to a spot offering protection from intense midday and afternoon sun, or use a shade fabric. Water the plant in the morning and evening to maintain soil moisture.
