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Hortus offers Hortus IBA Water Soluble Salts, a US EPA‑registered, water‑soluble rooting hormone (IBA/K‑IBA) designed to make fresh rooting solutions for plant propagation from cuttings, with instant solubility and stability at high concentrations. The product line also includes Rhizopon dry powder rooting hormones (AA #1, #2, #3) and related water‑soluble tablets, distributed in the US through Griffin Greenhouse Supplies and internationally via Hummert International. Hortus provides educational resources on propagation and promotes multiple rooting methods to produce uniform, clonal plants identical to the mother stock.
AI named Hortus from December 2025 to February 2026.