{"product_id":"coast-of-maine-sprout-island-organic-seed-starter","title":"Coast of Maine Sprout Island Organic Seed Starter","description":"\u003cp\u003e\u003cstrong\u003eCoast of Maine Sprout Island Organic Seed Starter\u003c\/strong\u003e is a ready-to-use, OMRI Listed® growing mix crafted specifically for seed germination and rooting plant cuttings. Its fine, well-aerated texture balances moisture retention with drainage, helping young roots access both water and oxygen during their most delicate stage.\u003c\/p\u003e\n\n\u003cp\u003eSprout Island combines sphagnum peat moss, compost, perlite and mycorrhizae with a gentle organic nutrient charge derived from composted poultry manure, lobster and crab shell meal, kelp meal and earthworm castings. It is ready to use in seedling trays, cell packs, propagation flats and small starter containers.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for propagation:\u003c\/strong\u003e Formulated specifically for germinating seeds and rooting plant cuttings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced moisture and aeration:\u003c\/strong\u003e Sphagnum peat moss retains moisture while perlite creates air space and improves drainage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGentle starter nutrition:\u003c\/strong\u003e Provides mild, slowly available nutrients suitable for developing seedlings and young roots.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eContains mycorrhizae:\u003c\/strong\u003e Beneficial fungi help support root development and nutrient uptake as plants become established.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompost-based biology:\u003c\/strong\u003e Includes compost and earthworm castings to support a biologically active root environment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMarine-derived ingredients:\u003c\/strong\u003e Lobster and crab shell meal contribute naturally sourced plant nutrients.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrganic gardening approved:\u003c\/strong\u003e OMRI Listed for use in organic production.\u003c\/li\u003e \u003c\/ul\u003e\n\n\u003ch2\u003eIngredients\u003c\/h2\u003e \u003cp\u003eSphagnum peat moss, composted manure, compost and\/or mushroom compost, perlite, fertilizer and mycorrhizae.\u003c\/p\u003e\n\n\u003cp\u003eThe fertilizer charge is derived from composted poultry manure, lobster and crab shell meal, kelp meal and earthworm castings.\u003c\/p\u003e\n\n\u003ch2\u003eGuaranteed Analysis\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eTotal Nitrogen (N): 0.35%\u003c\/li\u003e \u003cli\u003eAvailable Phosphate (P₂O₅): 0.10%\u003c\/li\u003e \u003cli\u003eSoluble Potash (K₂O): 0.05%\u003c\/li\u003e \u003c\/ul\u003e\n\n\u003cp\u003eThe nitrogen is slowly available from composted poultry manure, lobster and crab shell meal, kelp meal and earthworm castings.\u003c\/p\u003e\n\n\u003ch2\u003eHow to Start Seeds\u003c\/h2\u003e \u003col\u003e \u003cli\u003eMoisten the mix before filling your trays or containers. It should feel evenly damp without becoming soggy.\u003c\/li\u003e \u003cli\u003eLoosely fill cell packs, seed trays or small pots. Avoid compressing the mix heavily, as young roots need air space.\u003c\/li\u003e \u003cli\u003eSow seeds at the depth recommended on the seed packet.\u003c\/li\u003e \u003cli\u003eWater gently or mist the surface so the seeds remain in place.\u003c\/li\u003e \u003cli\u003eKeep the mix consistently moist but not saturated while seeds germinate.\u003c\/li\u003e \u003cli\u003eProvide the appropriate warmth and light for the plant variety.\u003c\/li\u003e \u003cli\u003eTransplant once seedlings are established and roots hold the growing mix together.\u003c\/li\u003e \u003c\/ol\u003e\n\n\u003ch2\u003eUsing Sprout Island for Cuttings\u003c\/h2\u003e \u003cp\u003eFill a propagation container with pre-moistened mix, make a planting hole and insert the prepared cutting. Firm the mix gently around the stem and maintain appropriate humidity while roots develop. Keep the medium evenly moist while avoiding standing water or prolonged saturation.\u003c\/p\u003e\n\n\u003ch2\u003eBest Uses\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eVegetable, herb and flower seeds\u003c\/li\u003e \u003cli\u003eSeedling trays and cell packs\u003c\/li\u003e \u003cli\u003ePropagation flats\u003c\/li\u003e \u003cli\u003eRooting plant cuttings\u003c\/li\u003e \u003cli\u003eIndoor and outdoor soil-based propagation\u003c\/li\u003e \u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Sprout Island contains a mild starter nutrient charge, so avoid immediately applying strong fertilizer to new seedlings. This is a soil-based propagation medium and is not intended as a standalone substrate for water-only hydroponic systems.\u003c\/p\u003e","brand":"Coast of Maine","offers":[{"title":"8 qt","offer_id":51433838510244,"sku":"CMESI4500","price":10.0,"currency_code":"USD","in_stock":true},{"title":"2 cu ft","offer_id":51433838608548,"sku":"CMSISS2CF","price":17.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1298\/4199\/files\/Coast-of-Maine-Sprout-Island-Seed-Starter-Soil_-8-qt-89785686.jpg?v=1738174853","url":"https:\/\/www.gardensupplyguys.com\/products\/coast-of-maine-sprout-island-organic-seed-starter","provider":"GARDEN SUPPLY GUYS","version":"1.0","type":"link"}