Mangave Blue Mammoth Thrillers but this rare form has

but this rare form has been fine in our Zone 7b/8a woodland garden since 2003

This 2016 Plant Delights/JLBG introduction is from a Dr

even in our baking full sun

topped with a giant dissected green leaf

While Thalictrum 'Black Stockings' is very easy to grow under most garden conditions

Mangave Blue Mammoth Thrillers but this rare form hasxMangave 'Blue Mammoth' is a 2018 Plant Delights JLBG introduction that's been the most winter hardy xmangave in our trials so far, to 7 degrees F! In three years, expect this Agave ovatifolia hybrid to form a 2' tall x 4' wide, slowly offsetting, architectural rosette of jagged blue leaves with subtle olive spotting. Unlike its agave parent, xMangave 'Blue Mammoth' doesn't die after flowering, so sit back and enjoy the 10' tall spike of yellow