Vilmorin Seed Sowing Cutting Transplanting Compost 5 Litre Bag

Vilmorin Seed Sowing Cutting Transplanting Compost 5L (Reference: 6403605) represents excellence in specialised horticultural substrate. This expert formulation from Vilmorin, a historic reference in French gardening, offers a complete, ready-to-use solution for all critical stages of plant propagation. Certified compliant with NF U 42-001 standards, this compost guarantees professional results for amateur and expert gardeners alike.

 

---

 

Applications and Optimal Use Cases

This versatile compost excels in three essential areas of gardening. For indoor and outdoor seed sowing, it ensures uniform germination of vegetable seeds, annual flowers, perennials and aromatics. Cutting operations benefit from its aerated structure which stimulates root formation without water stress. Finally, during transplanting of young plants, its fine texture preserves the integrity of fragile root systems. Ideal for greenhouses, cold frames, window boxes, pots and propagation trays. Horticulture professionals and nursery growers adopt it for its consistent reliability.

 

---

 

Technical Composition and Innovation

The formulation is based on a balanced blend of light and dark peat, providing water retention and progressive nutrition. Composted bark improves structure and promotes beneficial microbial activity. Perlite ensures optimal drainage and permanent root oxygenation, preventing asphyxiation of young roots. The progressive-release NPK 4-4-4 fertiliser (2 kg/m3) gently feeds seedlings without risk of burning. With 40% dry matter and 80% organic matter, this substrate maintains a stable structure over time. Its fine and homogeneous particle size facilitates seed-to-substrate contact, an essential condition for successful germination.

 

---

 

Practical Use and Application

Use is simplified thanks to the ready-to-use format. For sowing, fill containers with light tamping, sow according to the depth indications specific to each species, then water with a fine spray. Cutting requires a slightly moist substrate; dip cuttings in rooting hormone before planting. During transplanting, pre-moisten the compost to avoid transplant shock. Maintain constant moisture without excess standing water. The optimal temperature is between 18 and 22°C for most species. This substrate requires no additional amendment during the first 6 weeks of cultivation.

 

---

 

Expert Tips and Product Synergies

To optimise results, combine with certified quality seeds and a fine mist irrigation system. In winter, pairing with a horticultural heating mat accelerates germination of thermophilic species. Avoid excessive compaction which would compromise root aeration. For very small seed sowing, mix with fine sand to facilitate distribution. Woody cuttings benefit from an application of rooting hormone before planting. Store the compost in a dry, well-ventilated place, away from extreme temperature variations. The optimal period of use extends from February to October depending on the species cultivated.

 

---

 

Technical Specifications

Details	Specifications
Product Reference	6403605
Brand	Vilmorin
Volume	5 litres
Main Composition	Light and dark peat, composted bark, perlite
Integrated Fertiliser Type	NPK 4-4-4 certified NF U 42-001
Fertiliser Dosage	2 kg/m3
Dry Matter Content	40% of raw product
Organic Matter	80% of dry matter
Quality Certification	NF Growing Medium
Applications	Seed sowing, cutting, transplanting