Agave mckelveyana Endangered Plants This unique giant black-eyed Susan

This unique giant black-eyed Susan has a deciduous basal rosette of waxy blue foliage resembling a collard (that's sort of like a cabbage to you northern folks)

While it prefers an acidic moist soil

so incredible it's hard to describe

we saw this growing in the wild at the base of an Argentine tree cactus in the dry mountains of northern Argentina

Agave mckelveyana Endangered Plants This unique giant black-eyed SusanAgave mckelveyana is one of the most winter hardy century plant species, yet also one of the most heat sensitive, hailing from 3,000 6,000' elevation in western Arizona. Agave mckelveyana forms a small suckering rosette to 12" tall x 12" wide. Each grey green leaf reaches 10" long x 2" wide with prominent spines great for the dry rock garden. Despite being cold hardy, Agave mckelveyana is extremely sensitive to overwatering, so locate it so that it