Grow your own horseradish? You can with the horseradish rhizomes Horseradish is known for its sharp, spicy flavour that is released when the root is chopped or grated. The vegetable is packed with vitamin C, which helps support your immune system. In addition, the root also acts as an anti-inflammatory. Horseradish can be harvested from September onwards. Care Plant the horseradish between October and the end of March in a sunny spot in light, fertile and water-permeable soil. Small white flowers bloom in summer, after which you can cut off the leaves. Between November and March - about a year after you plant the horseradish - you can harvest it. Note: the plant is a very fast grower. To prevent it from taking over your garden, it is best to grow it in a container or pot. Size This set contains 2 rhizomes and weighs about 0,6 kg.