Grow your own ginger? You can with ginger rhizomes Ginger is a common ingredient in the kitchen and is delicious in tea. Ginger has many health benefits, including anti-inflammatory properties, improving digestion and reducing nausea and menstrual cramps. After 8-10 months, they are ready for harvest. Care Plant the ginger in a warm, sheltered spot in the garden or greenhouse. Keep the soil moist but be careful: it does not like wet feet and can rot quickly. Fertilise the ginger plant regularly with fertiliser and remove any weeds. When the leaves have died off, it is time to harvest. Carefully dig around the edges of the plant and remove some rhizomes. You can let the rest grow on for future harvests. Size This set contains 2 rhizomes and weighs about 0.6 kg.