Sinclair Vermiculite 100 Litre Bag - 100L

Horticultural grade vermiculite is a natural mineral that has been heated to high temperatures. This process causes it to expand into lightweight, absorbent flakes, ideal for improving soil structure and water retention in gardening applications.

A common ratio is 1 part vermiculite to 3 or 4 parts soil or compost. This can be adjusted based on the specific needs of your plants and the type of soil you are using.

Yes, a thin layer of vermiculite can be used as a top dressing around plants to help retain moisture and insulate the soil surface. It's best to lightly water it in to prevent it from blowing away.

Yes, vermiculite is a natural, non-toxic mineral and is widely considered safe and beneficial for organic gardening practices.

Vermiculite creates a stable, moist environment essential for seed germination. Its porous nature helps retain water, ensuring seeds do not dry out while also providing good aeration for emerging roots.

Vermiculite itself does not contain significant nutrients, but it excels at retaining nutrients added through fertilizers or compost, releasing them to plants over time.

When used as a surface mulch, it's best to lightly water it down after application to help it settle. Alternatively, mix it with heavier soil components or use it as a component within the soil mix rather than a surface layer in exposed areas.

Adjust the ratio of vermiculite in your mix, using less if your soil already holds moisture well or if the plant prefers drier conditions. Ensure containers have adequate drainage holes.

This is normal for fine-grade vermiculite. Handle gently to minimize dust. The dust is inert and poses no harm to plants or users.