10. North Carolina – Yew (Taxus species)
Yew trees are commonly planted in North Carolina landscapes. While their red berries appear harmless, nearly all parts of the plant contain taxine alkaloids that disrupt heart function. Ingesting leaves or seeds can lead to sudden cardiac arrest without warning symptoms. The flowers are subtle and easily ignored. Yew poisoning is often fatal because the onset is rapid and unpredictable. Livestock and pets are especially vulnerable. Despite its use in medicine and landscaping, the yew remains one of the most dangerous plants growing in residential areas.
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