Ideal Temperature for Scarlet hedgehog cactus
Images of Scarlet hedgehog cactus
Signs of Cold Stress in Scarlet hedgehog cactus
Symptoms
Scarlet hedgehog cactus flourishes in warm conditions and cannot withstand cold. Optimal growth occurs when temperatures exceed 60℉. In winter, maintain temperatures above 45℉. If temperatures drop below 32℉, the plant may weaken, droop, and become susceptible to root decay. Minor frost damage might not show immediate signs, but the plant will gradually decline over a week.
Solutions
Remove frost-damaged sections, checking for root rot. If roots are rotted, excise them, and the plant can be propagated from cuttings. Relocate the plant indoors to a warm spot immediately, positioning it near a south-facing window for ample light. Supplement with artificial lighting if natural light is insufficient.
Signs of Heat Stress in Scarlet hedgehog cactus
Symptoms
In summer, Scarlet hedgehog cactus should be kept below 85℉. When temperatures surpass 95℉, the plant's development will halt, it will dehydrate, wilt, and be more prone to sun damage.
Solutions
Prune off sunburnt and decayed portions. Protect the plant from intense afternoon sun until it recovers and resumes growth. For plants with root rot, cease watering until new roots start to form.
