How Can I Use Vermiculite In Seedling and Planting?
Sep. 16, 2021
Vermiculite is the name given to a group of hydrated layered minerals (aluminum-iron-magnesium silicates) that look like mica. Horticultural vermiculite is heavily heated to expand it into accordion-like particles consisting of multiple layers of thin plates. It will not rot, spoil or mold and is durable, odorless, non-toxic and sterile.
We have known that expanded vermiculite is porous, light and has a high melting point, which makes it most suitable for high temperature insulation materials (below 1000℃) and fireproof insulation materials. Here WANCHENG MINERAL shares with you its applications in gardening and planting.
Uses in plant and soil
Vermiculite can absorb three to four times its own weight in water, and it can also absorb many plant nutrients such as potassium, magnesium and calcium. These properties allow it to be used to propagate and pot plants that perform best in moist compost, including houseplants.
For plants that need to be overwintered indoors, vermiculite offers a simple storage solution to keep bulbs or roots in optimal condition. First, after removing the bulbs or roots from the ground, allow them to dry out for a few hours. Then fill the container with vermiculite and tuck in the bulbs or roots. Vermiculite prevents decay, which is a common problem with stored bulbs. It has absorbent properties that keep the plant away from excess water without stealing any of the plant's own stored moisture.
Seeds of all sizes can be sown directly into 100% vermiculite. Alternatively, you can use a 50:50 mix of vermiculite and seed sowing compost. You can also sow seeds using only the seeding compost and then cover the seed trays with vermiculite after sowing. Covering the seed trays with vermiculite helps keep the compost moist and also helps protect against fungi that cause sudden collapse. It also helps to insulate the greenhouse from temperature and humidity changes.
Whether you grow your own plants from seed or buy them from a nursery to take home, you'll need to transplant them to their permanent home in the ground. Vermiculite will help your plants adapt better to their environment and ensure that their ideal care needs are met.
To use it for transplanting, dig a hole a few inches larger than the plant's current root system and add a mixture of vermiculite and topsoil. Place the root ball in place, then fill the hole with more vermiculite and topsoil. This will help control moisture content and improve aeration around the roots, which will allow the roots to spread more widely.
Vermiculite can be added to poor quality soil to improve it. If you have heavy clay, poorly drained or sandy soil in your garden, most plants will struggle to survive, let alone thrive in this environment.
Use about half the volume of soil in vermiculite and work it deep into the soil. Vermiculite will greatly improve the aeration of the soil, allowing plants to grow better. It will also retain the necessary moisture and nutrients to help feed the plants.
After seeding your lawn, use a mild sprayer to spread a quarter inch of vermiculite and water on top. Approximately 3 cubic feet of vermiculite should be used for every 100 square feet of lawn. This addition will improve the rate of seed germination and increase the number of seeds that germinate, giving the lawn a fuller appearance. Vermiculite will help keep the lawn moist at all times and protect the seed from high temperatures.
Vermiculite is a versatile natural mineral that can be used alone or mixed with other growing media to improve plant health and plant growth. It ensures that the roots get the moisture they need while preventing overwatering. Vermiculite can be expensive to purchase, but it may prove invaluable when it comes to plant health. Contact us for quality vermiculite to add color to your garden!
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