Ideal Temperature for Blue curls

Images of Blue curls

Blue curls(Phacelia congesta)
Blue curls(Phacelia congesta)
Blue curls(Phacelia congesta)
Blue curls(Phacelia congesta)

Signs of Cold Stress in Blue curls

Symptoms

Blue curls tolerates cold well and flourishes best when temperatures exceed 65℉. In winter, it needs to stay above 60℉. If temperatures drop below 50℉, while winter changes might not be obvious, spring may see reduced or absent sprouting.

Solutions

In spring, remove any sections that did not sprout.

Signs of Heat Stress in Blue curls

Symptoms

In summer, Blue curls should be maintained below 75℉. When temperatures surpass 80℉, the plant's leaves might lighten, curl, become prone to sunburn, and in severe instances, the whole plant could wilt and dry out.

Solutions

Remove any sun-damaged and desiccated portions. Relocate the plant to a spot offering protection from the 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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