Edible Perennials - Zone 7 New England

The most appealing perennial edibles I’ve found so far, along with notes on each.

Greens
Salad Burnet Sanguisorba minor	Cucumber-flavored leaves, if you pick from center of plant	Cucumber-flavored leaves, if you pick from center of plant
Sea Kale Crambe maritima	Flavor: Kale plus fish.	Flavor: Kale plus fish.
Sorrel Rumex acetosa	Young leaves taste like lemony baby spinach. Large leaves are bitter, but excellent cooked.	Young leaves taste like lemony baby spinach. Large leaves are bitter, but excellent cooked.
Watercress Nasturtium officinale	Peppery tasting salad green, can be cooked.	Peppery tasting salad green, can be cooked.
Vegetables
Asparagus Asparagus officinalis	Comes in purple!	Comes in purple!
Chinese Yam Dioscorea batatas	Tastes like potatoes	Tastes like potatoes
Common Day Lily Hemerocallis fulva	Harvest buds and fry them like okra. But then you will miss the flowers!	Harvest buds and fry them like okra. But then you will miss the flowers!
Earthnut Pea Lathyrus tuberosus	Another nutty tuber.	Another nutty tuber.
Globe Artichoke Cynara cardunculus var. scolymus	Prefer Fiesole or Violet De Provence (because purple!)	Prefer Fiesole or Violet De Provence (because purple!)
Ground Nut Apios americana	Nutty Potatoes.	Nutty Potatoes.
Hog Peanut Amphicarpaea bracteata	Shelled peas taste similar to green beans. A lot of shelling for little beans though.	Shelled peas taste similar to green beans. A lot of shelling for little beans though.
Hosta undulata Hosta undulata	Early spring shoots can be cooked like asparagus.	Early spring shoots can be cooked like asparagus.
Jerusalem artichoke Helianthus tuberosus	Nutty potato flavor - but high in inulin which can cause digestive issues.	Nutty potato flavor - but high in inulin which can cause digestive issues.
Runner Bean Phaseolus coccineus	Pretty red flowers turn into green bean alternative, then mature into a dried bean.	Pretty red flowers turn into green bean alternative, then mature into a dried bean.

Greens

Vegetables