Blueberries, coffee, gardenias, and other ericaceous plants cannot be planted in just any substrate: beyond acidity, they need a coarse, highly aerated structure, because their roots suffocate as soon as the medium becomes waterlogged. This acidophilic substrate—also called substrate for ericaceous plants or natural acid peat—solves exactly that: it is Baltic sphagnum peat in a coarse 6-20 mm fraction, a growing medium in which these plants root and produce directly. It arrives with its native acid pH uncorrected, ready to receive each grower's fertilization program.
Key benefits
- Coarse structure that aerates the root: the 6-20 mm fraction, with no fines, creates the macropores that blueberry, rhododendron, or coffee roots need to breathe and not rot—this is what distinguishes this substrate from a general-use peat.
- Natural acid pH below 4.5: maintains the native acidity of sphagnum without limestone, the condition that ericaceous plants demand to assimilate iron and manganese.
- Growing medium ready to plant: used directly as the substrate for the acidophilic crop; the grower simply incorporates their own fertilization—a common reference is 100-150 g of NPK per 100 L—and adjusts irrigation.
- Premium raw material: sphagnum peat moss with organic matter above 95%, free of weed seeds, pathogens, and impurities.
- Very low electrical conductivity: EC below 0.3 mS/cm ensures that the grower's fertilization reaches the crop cleanly, with no residual salts to interfere.
Typical applications and uses
- Planting and cultivation of blueberries in raised beds, rows, or large pots.
- Growing substrate for nursery ericaceous plants: azaleas, rhododendrons, gardenias, heathers, camellias.
- Production of specialty coffee, where pH control in the root zone defines the cup profile.
- Pots and containers for anthuriums, blue hydrangeas, sensitive hibiscus, and terrestrial orchids.
- Renewal of the acidic substrate in established crops that have gradually lost acidity.
Do you need a raw material to compose your own blends or to amend soil in general? For that use, blond peat—with a medium fraction and more versatile—is the right product.
Quality and durability
Home acidification with elemental sulfur, vinegar, or aluminum sulfate works on small plots but disqualifies the professional grower: pH oscillates unpredictably between batches, salinity rises, and micronutrients become immobilized. Baltic sphagnum peat moss with a controlled H3-H6 humification grade, organic matter above 95%, and native pH below 4.5 delivers a stable, predictable acidic medium, verified in the laboratory before pressing. That traceability is what sets a commercial-grade acidophilic substrate apart from any improvised solution.
El productor acidófilo profesional (vivero de ericáceas, finca de arándanos, productor de café) prefiere controlar él la dosis y tipo de NPK según cultivo, ciclo y época. Una pre-fertilización genérica en sustrato ácido neutraliza esa flexibilidad y suele descompensar el pH para cultivos sensibles. La recomendación estándar es añadir 100 a 150 g de NPK compuesto por cada 100 L de turba al mezclar.
Sí, es uno de sus usos principales. En suelos calcáreos típicos de zonas de RD con pH entre 7.5 y 8.5, mezclar 20 a 30 L de turba ácida por metro cuadrado antes de plantar reduce el pH del estrato superficial entre 1.0 y 1.5 unidades. Eso abre el cultivo de plantas que de otra forma no prosperarían: anturios, gardenias, hortensias azules, hibiscos sensibles y orquídeas terrestres exigentes.
Esta es sphagnum peat moss en estado natural, sin caliza ni fertilizante añadido, con pH naturalmente inferior a 4.5 y materia orgánica superior al 95%. Los sustratos de germinación, universal y bio parten de turba báltica pero llevan caliza calcítica y dolomítica que sube el pH a 5.5 - 6.5 para cultivos generales. Para plantas ericáceas o acidificación de suelos, esa corrección es contraproducente; aquí hace falta la turba sin tratar.
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| Raw material | Natural acidic sphagnum peat |
|---|---|
| Particle size | Coarse [6 - 20 mm (0.24 - 0.79 in)] |
| pH | < 4.5 (natural, no added lime) |
| Fertilization | Unfertilized — the grower controls the recipe |
| Usage recommendation | Add 100 - 150 g of NPK per 100 L when mixing |
| Recommended use | Blueberries, coffee, gardenias, ericaceous plants, alkaline soil acidification |
| Country of origin | Lithuania |
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