49-63 days to maturity. Asparagus setaceus . Asparagus Fern Plumosa Seeds. Non-GMO, Evergreen Perennial. Ornamental. Open Pollinated houseplant seeds. Plumosa seeds grow one of the most fluffy and lovable indoor favorites ever. Plumosa Asparagus seeds quickly mature into laced and soft ferny plants internationally favored to energize many offices and homes. Asparagus Fern is one of the easiest additions in the garden and is a perfect first choice for children or novice gardeners due to its fast and easy growth. These are not really ferns, but asparagus plants related to edible asparagus. Plumosa Asparagus Fern is one of the most popular greens used by florists and promises to add a delicate accent to any bouquet or seasonal arrangement. About 600 seeds/ounce.