VEGETABLES / PEPPER SWEET Square Red Asti Pepper - Quadrato d'Asti Rosso. Asti is famous for its peppers and this is another classic from Asti. Very large productive pepper, 80-85 days to red ripe. Big plant; space 16 inches. $3.00 Add To Basket Listed In: 2025 Iowa USDA Hardiness: 5 View Profile & Listings