Horseradish tree, Ben Oil Tree. Possibly one of the most useful trees in the world, it produces long green pods that have been compared to a cross between peanuts and asparagus. The roots are used as a substitute for horseradish and the edible leaves make a highly nutritious vegetable. The roots have also been used in many folk remedies.
Cover seeds with 3/4" well-drained soil mix, keep warm, water when soil is nearly dry. Bright light.