Turns out the orange variety (tons more beta-carotene than the white variety) was developed from a mutant plant found in a swamp north of Toronto. Food writers who have tasted it say it's a bit sweeter than white cauliflower. Well, now I'm even more intrigued. For more information on this colorful new vegetable, go here. Also check out the Saveur.comhttp://www.saveur.com/article/Kitchen/The-Story-Behind-Orange-Cauliflower article, "The Story Behind Orange Cauliflower."