Vermiculite Soil Amendment 20Kgs

Vermiculite is a naturally occurring mineral that expands into light, sponge-like granules when heated. This exfoliated form is highly valued in gardening and horticulture for its exceptional ability to retain moisture, improve soil aeration, and enhance nutrient availability. As a versatile soil amendment, vermiculite supports healthy root development and helps create ideal growing conditions for a wide range of plants.

Whether you’re potting houseplants, starting seeds, growing in raised beds, or improving heavy clay soils, vermiculite helps maintain consistent moisture levels without causing waterlogging.

Why Use Vermiculite in Your Garden or Greenhouse?

• Improves Moisture Retention – Holds several times its weight in water, helping reduce watering frequency and maintaining consistent soil moisture.
• Boosts Soil Aeration – Prevents soil compaction and improves airflow around roots, promoting healthier plant growth.
• Enhances Nutrient Uptake – Absorbs nutrients and gradually releases them back into the root zone, improving fertilizer efficiency.
• Perfect for Seed Starting – Provides a sterile, lightweight growing medium ideal for germinating seeds and propagating cuttings.
• Reduces Soil Compaction – Particularly effective for improving dense or clay-heavy soils by creating a lighter, more workable structure.
• Long-Lasting & Non-Toxic – Does not decompose over time and is free from harmful contaminants, making it safe for long-term use.

How Much Vermiculite Should You Use?

1. Potting Mixes – Blend 10–20% vermiculite by volume with compost or potting soil.
2. Seed Starting – Use 100% vermiculite or mix 50/50 with peat moss to create a sterile, well-aerated growing medium.
3. Garden Beds & Raised Beds – Incorporate 1/3 to 1/2 vermiculite with compost and topsoil to improve moisture retention and soil structure.
4. New Lawns – Apply a ¼-inch layer over newly seeded areas and water thoroughly to aid germination and moisture retention.
5. Bulb & Root Crop Storage – Layer dry bulbs, onions, carrots, or root vegetables with vermiculite in a storage container and keep in a cool, dark location.

Great For

• Houseplants
• Seedlings and propagation
• Raised beds and container gardens
• Moisture-loving plants such as ferns and peace lilies
• Root vegetable and bulb storage
• Worm composting systems (adds beneficial grit to aid digestion)

Product Details

• Bag Size: 18kg
• Type: Horticultural Grade Exfoliated Vermiculite
• Texture: Medium granules for the ideal balance of water retention and drainage
• Sterile & Non-Toxic: Suitable for organic gardening, seed starting, and plant propagation
• Professional Quality: Trusted by home gardeners, landscapers, nurseries, and commercial growers

Give your plants the perfect balance of moisture, aeration, and nutrient availability with Horticultural Grade Vermiculite an essential growing medium for healthier roots and stronger growth.