Seed sown very thick when planting. Usually not much seed is set, and then, only on parts of the plant that have climbed up on a support. If allowed, kudzu will climb up and over trees eventually smothering them out. 15 cm long. At this stage they are ready to transplant to field about the time of first fall frost.
Fertilizer is applied at planting time.
New stands must be cultivated and kept free of weeds the first year. It loses this tolerance to cold as the third and fourth leaves develop. Plants should be inoculated with the right strain of bacteria to insure maximum production. Important to protect plants from drying during planting and to tamp moist, well-propared soil about them to prevent drying after planting. Holes should be deep enough for roots to be spread out to full length.