Kale and Potatoes. Professor_de_la_Paz examples are excellent; but land to yield ratio is low so not the best for small gardens. Potato's can be grown vertically or even placed on the ground and covered in straw. Freezing temps do not kill kale (hell, nuclear fire does not kill kale) and kale is nutrient dense. *Edit for spelling
Kale and Potatoes. Professor_de_la_Paz examples are excellent; but land to yield ratio is low so not the best for small gardens. Potato's can be grown vertically or even placed on the ground and covered in straw. Freezing temps do not kill kale (hell, nuclear fire does not kill kale) and kale is nutrient dense. *Edit for spelling
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