However, just as with pruning, do your best to keep the latex sap and prickly thorns away from your skin. When left untouched, a crown of thorns plant can grow up to six feet tall and two feet wide.

The crown of thorns is a striking houseplant with bright green foliage and tiny flowers enclosed with bright bracts of pink, red, yellow, or white. Its common name comes from the legend that this ...

A rose thorn can easily puncture the skin, bringing with it bacteria and fungi that can lead to diseases such as sporotrichosis and plant-thorn synovitis.

Plants have evolved all sorts of wickedly clever defense mechanisms, and the most primal—and effective—are thorns, prickles, and spines. Spiky plants can be a hassle for maintenance and ...

“Why do plants have thorns?” is an easy question. “Where do thorns come from?” is more complicated — but Yale scientists have found an answer.

While many plants lie dormant during the winter months, the Himalayan blackberry stands out like a giant mass of green and reddish leaves with its weaving, giant, thorny arms daring you to cross it.

New research has revealed the origins of thorns, the rigid extensions that a variety of plant species use to protect themselves from herbivores.

“Having reflected on these, and the specific concern about the immediate proximity of Thorn Cross to a primary school, we have reviewed the decision and will not progress with this change.

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Here's everything you want to know about how to grow and care for a crown of thorns plant. This succulent blooms pretty flowers but has thorns, so be careful.