A worldwide community photographing and learning about wildlife
Yucca whipplei
Yep I'd say Yucca too...not sure of the species. It's always good to include a pic of the plant if you have it for identification purposes:
http://www.bookdrum.com/books/blood-meri...
Do you have any pictures of the base of the plant. Looks to be the Genus Yucca but can't be sure unless you can show the whole plant.