California's Green Globe is a popular variety of this veggie with an edible heart
PREPARING... [DOC] [TLE] How to Grow Artichokes - Vegetable Gardener [PAR] Apr 25, 2009 ... An artichoke plant, which can spread into a silvery green fountain up to 6 feet 
across, makes a ... Then she told me about the hidden treasure, the tender 
artichoke heart.