78-88 Days to maturity (from transplant). Capsicum annuum. Coral Bell Pepper Seeds. Non-GMO, annual, open-pollinated, sweet pepper with no heat. 0 Scoville Heat Units. These peppers are 4 x 3.5-inch four-lobed orange peppers that grow vigorously on a bush plant. The blocky bell peppers will eventually turn red. That's how they get their name. Their attractive coral color grows vigorously on a bush plant. ~6,800 seeds/oz.