As vermiculite is becoming harder to find in bulk at reasonable prices, ordering from Greenhouse Megastore was a blessing! With the free shipping that was offered, I was able to order several bags to make the perfect "Mel's Mix" for my Square Foot Garden. via
How much is a bag of vermiculite?
$38. Horticultural grade Vermiculite has become a mainstay as a component of soil less growing mediums, as a soil amendment and in many other horticultural uses. via
How can I get vermiculite?
It is derived from rocks containing large crystals of the minerals biotite and iron-bearing phlogopite. As these rocks are exposed to the weather, they start to decompose, allowing water to enter and react with the various chemicals present. As the decomposition and chemical reactions proceed, vermiculite is formed. via
Can you purchase vermiculite?
Garden Centers and greenhouse operations purchase materials from distributors who do stock and carry large bags of perlite and vermiculite, and they might help you and/or sell you materials directly. You can also try regional chains or farm stores like Agway, Pennington Seed, Southern States, etc. via
Which is better perlite or vermiculite?
Vermiculite helps hold moisture in the soil so it's consistently available for plants to use. If you're looking for a soil additive to help make sure plants get plenty of drainage and aeration, perlite is a better option. via
What does vermiculite do when it comes in contact with water?
It's a permanent soil conditioner and won't break down in your soil like compost does. When it is watered or it rains, the vermiculite will hold water in the soil until the soil begins to dry out and releases it. via
Is there gold in vermiculite?
Look at the photos on this website and then look at the insulation without disturbing it. Vermiculite insulation is a pebble-like, pour-in product and is usually gray-brown or silver-gold in color. via
Is vermiculite man made?
Vermiculite is a hydrous phyllosilicate mineral which undergoes significant expansion when heated. Vermiculite forms by the weathering or hydrothermal alteration of biotite or phlogopite. Large commercial vermiculite mines currently exist in the United States of America, Russia, South Africa, China, and Brazil. via
Is it safe to buy a house with vermiculite insulation?
As we touched upon, the EPA agrees that vermiculite insulation containing less than one percent of asbestos is safe to be used within a home. This sort of vermiculite insulation typically comes in the form of Zonolite, a common form of insulation that appears as pebble-like substances. via
How much vermiculite do I add to my garden?
Use 1/3 to 1/2 vermiculite in your potting soil for containers or when building your raised beds, or improve your garden soil by adding it in the spring with your other soil amendments and compost. For new lawns, spread a 1/4 inch layer evenly around the planted area just after you seed it, then irrigate well. via
Is vermiculite safe for gardening?
Vermiculite for gardening sounds safe, simple and effective, and it is - with one catch. Some vermiculite may contain trace amounts of asbestos. Vermiculite for gardening became more difficult to find and perlite took its place in many potting mixes. via
Can I use sand instead of vermiculite?
There is no reason to avoid using sand, unless you will be moving the containers frequently. Sand adds a considerable amount of weight but IMO does a better job at aeration than perlite/vermiculite. Perlite also tends to float to the top and grow nasty green algae/mold. I switched over to sand a few years ago. via
Can I substitute vermiculite for sand?
If you can't find the appropriate sand, you can always try a different seed starting mix that doesn't require you to use horticultural sand. Just make sure the recipe includes something for drainage, such as perlite or vermiculite. via
Do I have to use vermiculite?
Watering your plants is an essential part of gardening. Without water, your plants start to die. Adding vermiculite to the soil ensures the plant has adequate moisture in the soil at all times, reducing the need to water throughout the growing season. Gardeners also need to be careful that they don't overwater. via
Can I mix perlite and vermiculite?
Yes, you can mix perlite and vermiculite in your seed-starting mix or potting mix, since each ingredient has different functions and benefits. Perlite acts as an aerator, helping the soil shed water. via
Why is peat moss being banned?
Peatlands in Europe contain five times more carbon than forests and disturbing peat for agriculture or harvesting it for compost releases CO₂ to the atmosphere, accelerating climate change. The UK government plans to ban peat use among amateur gardeners by 2024. via
Can I substitute vermiculite with perlite?
Perlite and vermiculite are both used to improve moisture retention and aeration in soil. They are used in a similar manner, but they are not interchangeable. via
What are the different grades of vermiculite?
Crude vermiculite is vermiculite that has not been heated or expanded and is divided into five primary grades based upon particle size. The grades are large, medium, fine, superfine and micron. via
How many gallons is 4 cubic feet of vermiculite?
Viagrow 4 cu. ft./29.9 Gal./113 l Horticultural Vermiculite (2-Pack)-VER4-2 - The Home Depot. via
What is vermiculite for gardening?
Vermiculite is a mineral (aluminum-iron, magnesium), which is mined and processed into granules that may be mixed into the soil to aid in aeration and drainage as well as adding often needed nutrients to the soil. There are several ways in which Vermiculite can enhance your gardening efforts. via
Can I put perlite on top of soil?
Placing fresh perlite on top of the soil around the plant or using it for a lightweight upper layer of growing medium creates a fresh, modern container arrangement. via
How can you tell if vermiculite has asbestos?
How can I tell if my vermiculite insulation contains asbestos? The majority of all vermiculite insulation pro- duced before 1990 used contaminated vermicu- lite from Libby. Asbestos fibers in vermiculite are too small to be seen by the naked eye. Only a trained technician using a microscope can see asbestos fibers. via
Should vermiculite insulation be removed?
The EPA strongly recommends that "you should never attempt to remove the insulation yourself. Hire professionals trained and certified to safety remove the material." Although states don't recommend it, they generally allow homeowners to remove vermiculite from their own homes. via
Does vermiculite expand with heat?
Vermiculite, a mineral of natural occurrence of the group of hydromicas, when heated to above 300°C, expands to become a highly efficient heat-insulating material. via
When was vermiculite insulation banned?
It was later discovered that much of this vermiculite also contained asbestos fibers. Inhalation of asbestos has been associated with several deadly illnesses including mesothelioma, lung cancer and asbestosis. It was not until 1978 that the United States started to ban the sale of insulation containing asbestos. via
Is vermiculite safe to eat?
Vermiculite itself is safe to use; there is no evidence that any acute or chronic toxicity or carcinogenicity exists from long-term exposure to vermiculite. When the vermiculite was mined, some asbestos minerals contaminated the vermiculite. Eating mycelium is like drinking near-beer. via
Does potting vermiculite contain asbestos?
Not all vermiculite products contain asbestos, but some do. An EPA study showed some vermiculite products contain low levels of asbestos. Asbestos is found primarily in the unmixed vermiculite product although some was found in pre-mixed potting soils. via
Is it safe to live in a house with vermiculite?
Vermiculite is a naturally occurring mineral that is perfectly safe when pure. Unfortunately, an estimated 75 percent of it came from Libby, Montana, where it usually was contaminated with toxic amphibole asbestos. Exposure to asbestos is the main cause of mesothelioma, an aggressive and deadly cancer. via
How bad is vermiculite?
If vermiculite is disturbed, it could cause tiny, needle-like asbestos fibers to become airborne. Asbestos in the air can be inhaled and cause lung damage. If asbestos is not in the air, it is not dangerous to your lungs. via
What do you do if you have vermiculite insulation?
If the attic or walls of a house contain vermiculite insulation, leave it alone. Avoid disturbing the material. Do not sweep it or vacuum it up. Do not store belongings in the attic. via
Do tomatoes grow better in pots or in the ground?
Tomato plants perform best in soil that is loose, rich, and drains well, which means they translate easily to container gardens—especially more compact determinate tomatoes, or bush varieties. Indeterminate tomato varieties that grow larger have more extensive root systems and do better planted directly in the ground. via
Can you start seeds in vermiculite?
If you enjoy germinating seeds at home or run a flower business or horticultural business, then vermiculite is ideal for the germination of seeds. Not only is it sterile but its aeration properties combined with its water-holding capacity makes it a very suitable medium for direct contact with the seeds. via
Should I add vermiculite to my compost?
Vermiculite helps to aerate soil while simultaneously retaining water and nutrients, which it then releases over time. Vermiculite is therefore useful in seed sowing and propagation. It can also be added to house plant compost. via
Is perlite or vermiculite better for vegetables?
Compared to perlite, vermiculite is the better choice if you are looking for a material that helps retain water as well as aerate. For aeration alone, stick with perlite. It's holds lots of water, and the light texture is ideal for those tender new vegetable seedlings. via
Is perlite or vermiculite better for tomato plants?
The only disadvantage is that perlite on the soil surface can attract algae turning the white perlite into a green colour over time. Vermiculite is pieces of mica that look like crumbs of shiny cork. It's very good at holding moisture and air and suitable for seedlings and young plants in small and medium size pots. via
Is vermiculite good for organic gardening?
Organic matter plays a similar role in soil, but vermiculite, mineral by nature, is sterile and inert, thus protecting the seedlings against a fungus that causes sudden collapse — damping-off — and other ills. Gardeners don't use vermiculite quite as much as they used to, in part because of an environmental disaster. via