This listing is priced per plant/plug NOT per tray All 3-4" Seedlings require a MINIMUM purchase of 2 seedlings. This can be across all of our listings, in fact we encourage you to mix and match multiple seedlings species. This is NOT required for 6-12" plants ONLY our 3" seedlings. Live Plants, Seedlings - Ready to transplant to your garden, Non Gmo, USA Grown. To avoid damage to your plants, all orders placed Thursday-Sunday will be shipped Monday morning. Saltwort Live Plants Species- Oka Hijiki Life Cycle -- Annual Plant Harvest -- 50 days Hardiness Zone -- 3,4,5,6,7,8,9,10 Soil -- Well Drained Sun Light Requirement -- Full Sun/Part Shade Direct Sowing -- 18" apart Seaweed Mustard Seeds - Oka Hijiki. Non-GMO. Heirloom. Non-GMO. Salsola komarovi. 30-40 days. Cool season annual. Also known as "seaweed on land" or saltwort, this nutritious, grass-like green grows wild in Japan's salt marshes and is also commercially cultivated. Non Gmo Open Pollinated USA Grown