Abraham Lincoln once claimed that “we can complain because rose bushes have thorns, or rejoice because thorn bushes have roses.” More relevant today than ever before, Lincoln’s words pose a challenge ...

Roses do not have thorns; they have prickles. But there ARE “thorns” in the rose garden. Their names are botrytis, black spot, rust, downy mildew, anthracnose and cerospora leaf spot. They are all ...

Thorns in different plant species have always been an interesting subject for botanists. Be it rose plants or cactus, they ...

A rose at the New York Botanical Garden; some varieties grow naturally “thornless.” Jack Satterlee, a postdoc in CSHL’s Lippman lab, turned to the Botanical Garden for help procuring rare plant ...