- You Will Get 40 Seeds Of Artichoke, Green Globe, Heirloom Vegetble Seeds. - Perennial Vegetable. - Produces edible flower bud. - 4 to 6 feet tall. - Full sun. - Hardy zones 5-9. - Each plant produces about 15 bulbs (buds) per year. These are the same edible buds (bulbs) that you can boil in water and eat the heart of the bud. If you have never had this delicacy, you must try it! Can be started inside and then transplanted outside after danger of frost. It grows as a perennial, but must be mulched and protected in colder climates down to zone 5. - Also can be grown as a flower and produces huge purple/blue flowers which are stunning!! - Matures in 6 months. Heirloom. - Comes with planting instructions.