Gro-Sure Vermiculite is ideal for growing from seed and to help both indoor and also outdoor plants. Vermiculite helps to absorb nutrients and prevents them from being washed out. It also releases them to plant roots. Vermiculite is a naturally occurring, non-toxic material. It is heated to a high temperature to produce a lightweight material with a high surface area.
- Lightweight
- Helps to retain moisture and as well as nutrients
- Provides insulation for healthy seed germination
- View our complete Gro-Sure Propagation range
Sizes available
- 10 litre
- Product Details
- How to Use
- Tips & Advice
Why Use
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. The fine grade flakes can be used on their own or added to Gro-Sure Seed & Cutting Compost to:
- Help compost hold onto vital plant nutrients
- Increase compost water retaining capacity
- Insulate seeds against damaging temperatures and humidity changes (when used as a seed covering)
Vermiculite is a naturally forming mineral that is extracted from mines. The natural laminar structure allows the material to expand up to 30 times its own size during heating. Its natural shape once heated gives excellent insulation, drainage and aeration properties
How to Use
Seed sowing
When sowing seeds always following the directions on the seed packet.
Seeds of all sizes can be raised in just Gro-Sure Vermiculite.
Alternatively seeds can be raised in a 50:50 mix of Gro-Sure Seed & Cutting Compost and Gro-Sure Vermiculite. This is particularly beneficial for very small seeds. Sow seeds thinly and evenly, making sure they are not too deep in the compost. Cover seed trays with a thin layer of Gro-Sure Vermiculite and gently moisten. Avoid over-firming.
Pricking out
When seedlings are large enough to handle, remove from seed trays with a dibber or pencil.
Plant into Gro-Sure Seed & Cutting Compost or a mixture of this compost with 25% to 30% of Gro-Sure Vermiculite. Space seedlings well apart to allow for strong growth. Water regularly to avoid compost from drying out until seedlings are ready to be potted on.
Potting on
Use a mix of Gro-Sure All Purpose Compost with 25% to 30% Gro-Sure Vermiculite. This creates a light and very open structure enabling compost to absorb and retain moisture for easier re-wetting.
Before transplanting plants from pots to containers it is recommended to water the plant well and allow to drain. Remove plants from their pots and place into the container, firming compost around the plant roots. Once the container is fully planted, water well and feed as appropriate.
General Advice
- Store in a dry, frost-free place away from weedkillers and other garden chemicals
- Wear gloves when handling and wash hands after use
- Reseal bag after use
Frequently Asked Questions
Q. Can my children & pets go into the treated area?
A. Yes, children and pets can use the area where Vermiculite has been used without any concerns
Q. Will my pets or wildlife be attracted to this product?
A. Vermiculite is mineral based and doesn’t contain any organic elements so shouldn’t be attractive to animals
For any questions or advice, please contact our technical advice line on 01480 443789 (Mon-Fri 10am-4pm) or email [email protected]
