Description
CANNA Terra Professional Plus Soil 50 Litre is CANNA’s premium pre-mixed soil growing medium — a carefully formulated, ready-to-use substrate that provides an ideal physical and biological environment for plant root development from the very first planting. Terra Professional Plus is designed for the demanding requirements of intensive indoor growing, with a nutrient charge, pH, and structural profile that supports vigorous vegetative development and seamless transition into productive flowering without the amendments or adjustments that generic potting composts require.
What Sets CANNA Terra Professional Plus Apart
Commercial potting composts and garden soils are formulated for a wide range of plants at various growth intensities. They are not optimised for the rapid, intensive growing that indoor horticulture demands. CANNA Terra Professional Plus is different — it is formulated specifically for intensive indoor cultivation, with inputs selected and proportioned to match the requirements of fast-growing crops under artificial lighting with frequent, measured nutrient applications. The structural composition delivers an optimal air-to-water ratio — the balance between moisture retention and drainage that healthy, oxygen-rich root zones require. The peat and bark components provide physical structure and the organic matter that beneficial microbial populations thrive in. The nutrient charge in CANNA Terra Professional Plus provides enough baseline fertility for the first two to three weeks of growth without external nutrient application — a genuine convenience that simplifies management in the early stages. CANNA Terra Professional Plus is pH-stabilised within the range optimal for soil-based growing, reducing the management burden of pH correction at planting. At The Horticulture Company, Terra Professional Plus is our premium soil recommendation for growers who want the best possible start for their plants in a soil-based growing system.
Transitioning to CANNA Terra Nutrients
After the initial nutrient charge is depleted — typically two to three weeks after planting — begin feeding with CANNA Terra Vega for vegetative growth, transitioning to CANNA Terra Flores when flowering begins. This matched substrate-to-nutrient system is the complete CANNA Terra growing programme.







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