Vermiculite 10L

Gro-Sure Vermiculite is a naturally occurring mineral which has been heated to high temperatures to produce lightweight, absorbent flakes, perfect for a range of gardening tasks. It encourages strong, healthy seedling growth and establishment.

• Helps compost hold onto vital plant nutrients
• Increases compost water retaining capacity
• Insulates seeds against damaging temperatures and humidity changes (when used as a seed covering)