{"product_id":"hortiblock-128-cells-square","title":"Hortiblock 128 Cells Square","description":"\u003cp\u003e\u003cstrong\u003eThe Hortiblock 128 Cells Square is a reusable, food-grade expanded polystyrene seed-starting tray with individual square cells that virtually eliminate transplant shock.\u003c\/strong\u003e When the tray bottom is exposed to air, the taproot is air-pruned so feeder roots grow downward instead of spiraling, letting plants start growing immediately after transplanting.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Reusable seed-starting tray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Food-grade expanded polystyrene\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCells:\u003c\/strong\u003e 128 square cells, 1.375\" square x 2.5\" deep\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrainage:\u003c\/strong\u003e 0.375\" drain hole per cell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTray size:\u003c\/strong\u003e 26-1\/2\" x 13-1\/2\" overall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable:\u003c\/strong\u003e Lasts many years\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBest for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStarting transplants with strong root systems\u003c\/li\u003e\n\u003cli\u003eAir-pruning to prevent root spiraling\u003c\/li\u003e\n\u003cli\u003eClean, shock-free transplanting\u003c\/li\u003e\n\u003cli\u003eAvoiding spread of root pests and diseases\u003c\/li\u003e\n\u003cli\u003eRepeated seasonal reuse\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cp\u003eFill the square cells with starting mix and sow seed, keeping the tray bottom exposed to air so taproots air-prune. At transplant time, the plant, soil, and undamaged roots pop out cleanly without tearing or tangling, so seedlings establish quickly. Rinse and reuse the tray for many seasons.\u003c\/p\u003e\u003ch3\u003eAbout Grow Organic\u003c\/h3\u003e\u003cp\u003eGrow Organic (Peaceful Valley Farm and Garden Supply) has served organic gardeners since 1976 with seeds, amendments, and tools selected for sustainable, productive growing.\u003c\/p\u003e","brand":"Grow Organic","offers":[{"title":"Default Title","offer_id":50394525565206,"sku":"GP006","price":12.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/5555\/8422\/files\/Hortiblock-128-Cells-Square-1.jpg?v=1755812393","url":"https:\/\/madelines.sbs\/products\/hortiblock-128-cells-square","provider":"Madeline's","version":"1.0","type":"link"}