Asparagus officinalis Up for purchase is a packet of 2084mg or approximately 120 Mary Washington Asparagus seeds. Plant this perennial vegetable just once and enjoy the tasty spears for years. Tall, graceful, feathery green foliage remains attractive long after harvest. Fresh-cooked asparagus is much more tender and succulent than store-bought, as well as being much less expensive! This wonderful heirloom variety is hardy and produces lots of uniform spikes. When 2ft tall, very lightly harvest the first year (to let the plants set up). Full to part sun, perennial in zones 4-9. Average to light water needs. Early and vigorous. Rust resistant. Harvest in mid to late June. Asparagus is one of the more permanent vegetable crops in a garden, typically producing for 10-15 years. Growing instructions Start seed indoors 4-5 weeks before last frost in pots, or sow directly into the garden after danger of serious frost has passed. Cover seeds with 1/8 inch of fine soil. 10 to 15 day germination time. Keep soil moderately moist during germination (not soggy). Transplant indoor started seedlings after hardening off and danger of serious frost has passed. Space plants at least 18 inches apart.