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Madeira Vine is a frost tender perennial climber producing masses of edible leaves with a pleasant flavour, these are a really good spinach substitute. It also produces edible tubers that have a mucilaginous texture, this characteristic is lost after roasting. It’s quite ornamental with it’s thick heart shaped leaves and white flowers in autumn. Harvest video below. More info below. Please note a frost in the Winter will knock this plant back to the ground and this will stop it from spreading as seed don’t develop. However propagation can be done by splitting the root (ball of tubers).
We have been growing it in our greenhouse and we’ve been harvesting leaves right up to the first hard frost in early December when the plant dies back to the ground. We planted right in the center of the greenhouse and we like to take a nibble when walking by. These plants take up a tiny amount of space whilst producing a considerable amount of food. They should do fine outdoors too, which we will try in the next growing season. It forms a ball of 3-5cm long tubers just beneath the surface of the soil which makes for easy harvesting. Can be grown indoors and outdoors, however we are only starting to compare yields.