Blue tomatoes are another tomato variety that contains anthocyanin which is what makes the skins black or blue. These tomatoes come in all shapes and sizes and in full sun they really have a dark blue color to them. They are heat and cold tolerant, indeterminate plants that are very productive. This page will have most of the Blue tomato varieties we offer on HRSeeds.com. However we are not perfect and may have missed adding some on this page so be sure to do a search on the website. There will be varieties on this page that won't be anywhere else on this site and Vice versa. when you see (HR) then it's one of ours! If you don't see what you're looking for, try a site search or check our PEPPER & TOMATO SEED LIST page.