About This Heirloom Perennial Variety: Mary Washington asparagus seeds produce classic green spears with light purple tips, thriving in USDA zones 3–9 and delivering dependable yields for 20–30 years once established on vegetable garden. High Germination Performance: Asparagus seeds for planting germinate in 10–21 days when soaked 48 hours and sown gardening seeds 1/4 inch deep in loose, organically rich soil. These asparagus greens are widely used by florists as an ornamental filler. Strong Garden Seeds Growth Habit: Garden asparagus plants develop upright, space seeds for planting vegetables 12–18 inches apart in rows for long-term vegetable beds, asparagus fresh will produce for more than twenty years when established. Patience Rewarded Harvests: Asparagus plant establishment takes 2–3 years, producing 7–9 inch asparagus fresh spears harvested for up to 8 weeks each spring after maturity. Asparagus roots for planting rust resistant. Fresh or suitable for freezing. Rust Resistant & Non GMO: Non gmo asparagus seeds are open pollinated and resistant to rust fungus, making them reliable asparagus seeds for planting outdoors in home garden. Perfect veggie seeds. Overview Indoor/Outdoor Usage : Outdoor Brand : KVITER Material Feature : GMO Free, Heirloom Color : Green Special Feature : High Germination Rate Expected Blooming Period : Spring to Summer Sunlight Exposure : Full Sun Unit Count : 10 Count Expected Planting Period : Spring to Fall USDA Hardiness Zone : 3–9