Sinclair Horticultural Vermiculite Medium 100 Litre

Sinclair Horticultural Vermiculite Medium (100 Litre) is the lightweight, easy-to-handle growing partner every gardener dreams of. Engineered for dependable moisture control and vibrant root development, this horticultural-grade vermiculite is heat-treated and expanded to a uniform medium size for consistent performance in the garden, greenhouse, or balcony plot.

What makes Sinclair Vermiculite Medium stand out is its thoughtful combination of moisture management and soil structure enhancement. It holds onto water to keep roots hydrated between watering, yet never becomes waterlogged, helping to prevent root rot and nutrient leaching. At the same time, it improves soil aeration and drainage, so air can reach the root zone and roots can grow freely.

• Moisture management that reduces frequent watering while keeping seedlings and established plants evenly hydrated.
• Better soil structure through improved aeration and drainage, promoting healthy root systems and robust growth.
• Root development support—stronger, deeper roots in pots, seed trays, and garden beds.
• Flexible usage as a standalone growing medium or mixed with soil or other materials to tailor moisture and drainage for different plants.
• Root insulation protection during temperature fluctuations, helping plants cope with cold snaps and warm spells.
• Pest- and disease-resistance thanks to natural sterility and weed-free composition, giving gardens a cleaner start.
• Mulching versatility suitable as a mulch for young plants and vegetables to conserve moisture and regulate soil temperature.
• Value and practicality supplied in a convenient 100 Litre bag for a wide range of projects—from seed starting to large container displays.

Ideal for seed starting, potting mixes, raised beds, and soil amendments, Sinclair Vermiculite Medium helps boost germination success and promotes uniform root growth. Its pH-neutral profile means it won’t alter soil acidity or alkalinity, making it a dependable addition to any growing strategy. Whether you’re planning a small herb pot, a vegetable bed, or a larger outdoor project, this vermiculite is designed to deliver consistent results.

Apply it to your garden projects with confidence: mix it into potting blends, use it as a stand-alone substrate for starting seeds, or mulch young transplants to stabilize moisture and temperature. With Sinclair Vermiculite Medium, you’re equipping your plants with a versatile, science-backed growing medium that delivers reliability from the first leaf to harvest.