McCormick says that its crimson pepper flakes begin with cayenne, that's blended with other cultivars to adjust the warmth. Jackie, Indeed I have. Make sure you check with the section about "Are Chili Pepper Seeds Spicy". Any heat within the seeds doesn't originate from the seeds them selves, but from https://bouchesocial.com/story20347357/a-review-of-beijing-red-pepper