The red berries on an asparagus plant contain seeds, which are used for reproduction. These red berries usually only grow on female asparagus plants, although both male and female plants have flowers. Both male and female plants must be planted together in order for female plants to produce these berries. if you let asparagus fully mature it will produce orange red berries. After the plant dies off and driesbrowns, you can harvest the berry pods and collect seeds. the berries you see contain seeds so you know those plants are females. If you want to pull them out and replace them with male plants go ahead, but i would never do that. After waiting this long for asparagus, it would set you back a few more years. Ideal soil conditions and allowed them to fully mature during the first. We gathered up berries from several different plants and brought them. the second video in our new series how to start from seed this episode is on how to start asparagus from seed. Send mail to po box 131 marysville, mi 48040 450 varieties of heirloom & non-gmo. When you start asparagus from a seed or a seedling it takes an additional year before you can start picking the tasty shoots in spring. There are three ways to get asparagus seedlings you can harvest seeds from the mature, red berries of female plants in late fall and start them in a greenhouse or cold-frame the next spring. If so, how do you grow asparagus from seed and what other information on asparagus seed propagation might be helpful? Find out here. Soak the seeds for a couple of hours, then plant each seed inch (1 cm.). asparagus is dioecious, meaning it has male and female plants. Female plants produce seedsthe little red berries shown herethat can reduce the yield of the plant, as energy is put into seed production instead of back into the root system. Asparagus (asparagus officinalis) is a perennial vegetable, growing in u.