Perennial means that the plant will grow year after year: Artichokes, Asparagus, Beans (perennials like scarlet runner), Broccoli (perennials like purple cape), Cannas (there are edible forms), Cardoon, Chard (perennial), Chicory, Chives, Chokos, Dandelions, Fennel, French sorrel, Garlic Chives, Ginger, Good King Henry, Japanese hornwort, Jerusalem artichokes, Lemon Balm, Lovage, New Zealand spinach, okinawan spinach, Purslane, Rhubarb, Rocket, Sorrel, Sweet potato, sunchokes, Tamarillo, Walking Onions.
Asparagus is a perennial vegetable plant.
Most vegetables are perennial or biaennial as they grow in the first year and seed in the second.
Perennials are plants that come back year after year without having to be replanted, and can come back for three or more years. Some vegetables that are perennials include rhubarb and sweet potatoes.
Asparagus
Asparagus, Rhubarb, Jerusalem artichokes, radicchio, peppers, sweet potato, Horseradish, and many more.
There are more than 2. The tomato is a tender perennial, grown as an annual. Jerusalem artichokes (sunchokes) are perennial. So is Sweet potato, Taro root, Rhubarb, and New Zealand Spinach. There are several others, but these are the most commonly grown perennial vegetables.
It is a variety of Amaranth, a short lived perennial plant cultivated as leaf vegetables or ornamental plants
Asparagus and Rhubarb are two but there are several others
it is perennial
A perennial is a perennial no matter where it is grown.
Never heard of semiannual there is annual and biennial, perennial. Check this page for some help http://encyclopedia2.thefreedictionary.com/semiannual
Perennial