This listing is 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. Kohlrabi Live Plants - live plant, 30-45 days old ready for Transplanting to your garden. Asian Green - Brassica rapa Species- Ember Life Cycle -- Annual Plant Harvest -- 30 days Hardiness Zone -- 3,4,5,6,7,8,9. Soil -- Well Drained Sun Light Requirement -- Full Sun / Part Shade Direct Sowing -- 12"-18" apart The plant is a fast-growing and classic mizuna with a mild flavor. It is a traditional brassica green hailing from Japan, known for its rapid growth, high productivity, delicate taste, and distinctive serrated leaf shape.