I've typed up a list of the perennial vegetables we're growing in our yard. I've loosely organized them by their primary usage, but we use many of them in multiple ways (for greens and roots, for example.) I haven't organized the list in any other way.
Greens & Edible Flowers
- Violets - Viola cornuta, Viola odorata, maybe others
- Bellflowers/harebells - Campanula unknown, C. portenschlagiana, C. poscharskyana, C. persicifolia, C. rapunculoides
- Mallows
- Zebra Mallow - Malva sylvestris mauritiana
- Malva Alcea fastigiata
- Malva neglecta
- Zebra Mallow - Malva sylvestris mauritiana
- Comfrey - Symphytum officinale
- Salad Burnett - Sanguisorba minor
- Good King Henry - Chenopodium bonus-henricum
- Sylvetta Arugula - Diplotaxis muralis
- Sea kale - Crambe maritima
- Giant sea kale - Crambe cordifolia
- Daisy - Bellis perennis
- Mitsuba - Cryptotaenia japonica
- Perennial Lettuce - Lactuca perennis
- Salt Bush - Atriplex canescens and A. halimus
- New Zealand Spinach (marginally hardy here) - Tetragonia tetragonioides
- Stinging Nettle - Urtica dioica
- Peppermint - Mentha x piperita
- Lemon Balm - Melissa officinalis
- Anise Hyssop - Agastache foeniculum
- Lovage - Levisticum officinale
- Miner's Lettuce - Claytonia perfoliata
- Siberian Miner's Lettuce - Claytonia siberica
- Buckshorn Plantain - Plantago coronopus
- Sea Plantain - Plantago maritima
- Fennel - Foeniculum vulgare
- Chicory - Cichorium intybus
- Iceplant - Sedum spectabile
- Hen and Chickens / Houseleek - Sempervivum tectorum
- French Sorrel - Rumex scutatus
- Wood Sorrel - Oxalis oregana
- Sheep Sorrel - Rumex acetosella
- Dandelion - Taraxacum officinale
- Cleavers - Galium aparine
- Grape (leaves & tendrils) - Vitis vinifera
- Wolf Berry - Lycium barbarum
Flowers
- Day Lily - Hemerocallis sp.
- Columbine - Aquilegea vulgaris
- Red and White Clover - Trifolium pratense and T. repens
- Turkish Rocket - Bunias orientalis
- Black Locust - Robinia pseudoacacia
Shoots and Stalks
- Rhubarb - Rheum x cultorum
- Solomon Seal - Polygonatum commutatum
- Giant Solomon's Seal - Polygonatum commutatum biflorum
- American Spikenard - Aralia racemosa
- Colts Foot - Petasites palmatus
- Fuki - Petasites japonicus
- Poke - Phytolacca americana
- Angelica - Angelica archangelica
- Asparagus - Asparagus officinalis
- Bamboo - Phyllostachys sp
Seeds & Seedpods
- Swamp Milkweed - Asclepias incarnata
- Sweet Cicely - Myrrhis odorata
- Scarlet Runner Bean (marginally hardy here) - Phaseolus coccineus
- Eastern Bean - Phaseolus polystachios polystachios
- Akebia - Akebia quinata and A. trifoliata
- Milk Thistle - Silybum marianum
Root Crops
- Skirret - Sium sisarum
- Scorzonera - Scorzonera hispanica
- Yellow Asphodel - Asphodeline lutea
- Marshmallow - Althaea officinalis
- Licorice, American and European - Glycyrrhiza lepidota and G. glabra
- Hog peanut - Amphicarpaea bracteata
- Tiger nut - Cyperus esculentus
- Earth chestnut - Bunium bulbocastanum
- American bistort - Polygonum bistortoides
- Wapato - Sagitarria latifolia
- Asiatic Lily - Lilium unknown
- Camassia - Camassia quamash, C. leichtlinii, C. scilloides
- Cat Tail - Typha latifolia
- Grape Hyacinth - Muscaria unknown
- Scilla unknown
- Canna Lily - Canna unknown
- Dahlia - Dahlia pinnata or D. rosea
- Mashua (perennial nasturtium with edible root) - Tropaeolum tuberosum
- Cinnamon Vine - Dioscorea batatas
- Yacon - Smallianthus sonchifolia
- Oca - Oxalis tuberosa
- Jerusalem Artichoke/Sunchoke - Helianthus tuberosus
- Sweet Flag - Acorus calamus americanus
- Horseradish - Armoracia rusticana
- Ladybells - Adenophora lilifolia and A. pereskiifolia
Onions (Allium genus)
- Egyptian Walking Onion
- Nodding Onion - Allium cernuum
- Bunching Onion - Allium fistulosum
- Chive - Allium schoenoprasum
- Garlic Chive - Allium tuberosum
- Garlic - Allium sativum
- Multiplier Onions & Shallots - Allium cepa aggregatum
- Ramps - Allium tricoccum
- Golden Garlic - Allium moly
- Drumstick allium - Allium sphaerocephalum
- Allium stipitatum
Self seeding annuals and biennials
- Evening Primrose - Oenothera biennis
- Pop Weed - Cardamine unknown
- Kale
- Chard
- Curly mallow - Malva verticillata
- Calendula - Calendula officinalis
- Nipple Wort - Lapsana communis
- Purple Dead Nettle - Lamium purpureum
- Money Plant - Lunaria annua
- Parsley - Petroselinum crispum
- Pigweed - Amaranthus sp.
- Lambs Quarters - Chenopodium sp.