Autumn planting / Feb. – Apr. Produce early winter feed, but grows less active during coldest months. Best DM production during Spring. Seed production stimulated by a cold period (winter). Growth stops during November/December. Tetraploid cultivars: Barextra, Barmultra II.
Spring planting / Aug. – Sept. Flowering and seed production only after about 15 months. DM production usually high during Spring, Autumn, and the next Spring. Tetraploid cultivars: Barextra, Barmultra II.