I collect and sell plant genetics and build perennial food ecosystems. It seems like most temperate climate perennial edibles are high in carbohydrates. I'm really interested in the low carb / keto / paleo diet. Although most the perennial veggies, trees, and shrubs that I cultivate are high in carbs (fruit, roots, seeds).
Of course you can feed the carbs to animals and they will happily convert them into high-quality fat and protein. What about low carb perennial veggies and tree crops? Please help me compile a list so I can build some ketocultures! Many of these plants have multiple edible parts, some which are high carb, others which are low, so it can help to include what part of the plant we are referring to ( or at least one of them).
This is a great topic. This past year I started experiencing some health problems due to the high carb nature of our garden diet, and all the starchy staples. I have shifted my focus to growing more green leafy vegetables... Which unfortunately means more annuals. Remember that there are many overlooked edible parts of plants. The leaves of pumpkins and squash make a really nutritious and unique green veggie. Cowpea leaves, sweet potato leaves, black nightshade leaves. Berries are usually an exceptable option on low carb.
I hope others have more ideas... Maybe I can use them here in the tropics too.