Ausperl Vermiculite 100 Litres.
This horticultural vermiculite is ideal for adding to your soil or potting mix to help aerate it, increase its water holding capacity and many other benefits. Vermiculite is often mixed with perlite or applied alone to soils and is especially popular for seed raising, propagating from cuttings and plant transplant mixes.
Freight Disclaimer: Please select this option only if you're ordering far from Sydney ie in Regional NSW or outside NSW. If you are in Sydney or surrounding areas please select the option labelled Sydney & Surround (see below)
Main benefits:
- Inorganic, inert and sterile.
- Non abrasive.
- Ultra light weight.
- Free from disease, weeds and insects.
- Slightly alkaline (neutralized with peat).
- High cation-exchange (or buffering exchange).
- Excellent aeration characteristics.
- High water holding capacity.
- Insulating.
The following grades are supplied in either 100 litre bags.
- Grade 1 (0-1mm) Not Available.
- Grade 2 (2-4mm) For Sale.
- Grade 3 (3-6mm) For Sale.
- Grade 4 (5-8mm) Not Available
Suggested Mix Ratio’s (% by volume)
| APPLICATION | PEAT or PERLITE | AUSPERL VERMICULITE | GRADE | |
| Seed Raising
Quick Germination |
Fine Seed | 0% | 100% | 2 |
| Large Seed | 0% | 100% | 3 | |
| Seed Raising
Slow Germination |
Fine Seed | 50% | 50% | 2 |
| Large Seed | 25% | 75% | 3 | |
| Softwood Cuttings | On Open Bench | 25% | 75% | 2 |
| Under plastic | 50% | 50% | 3 | |
| Transplant Mixes | Block Mix | 80% | 20% | 3 |
| Seeding Wedgemix | 80% | 20% | 2 | |
| Potting Mixes | Bedding Plants | 75% | 25% | 3 |
| Vegetable Plants | 60% | 40% | 2 or 3 | |
| House Plants | 75% | 25% | 3 | |
| Hanging Baskets | 50% | 50% | 3 | |
| Nursery Stock | 80% | 20% | 3 | |
| If wetness is a problem substitute up to half of the vermiculite with AUSPERL perlite (grade P500) AUSPERL vermiculite is not recommended for azaleas, rhododendrons and other lime-allergic plants. Excessive compaction and over watering can impair results. |
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Frequently asked Questions:
Q. What are the dimensions and weight of this vermiculite bag?
A. The dimensions are 34 x 23 x 103cm and weighs 9kg. For shipping purposes this item is 25 cubic kilos.
Q. Is this product sterile as I'm using it to hatch reptile eggs?
A. According to the manufacturer, this vermiculite is produced using very high temperates and is therefore totally sterile.
Vermiculite is a naturally occurring mineral that is widely used in horticulture and various other applications due to its unique properties, such as its ability to retain water, aerate soil, and provide insulation. Below is an overview of its uses in horticulture and other fields:
Uses of Vermiculite in Horticulture
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Soil Amendment:
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Vermiculite improves soil aeration and water retention, making it ideal for plants that require well-drained yet moist soil.
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It helps prevent soil compaction, allowing roots to grow more easily.
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Seed Starting:
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Vermiculite is often used in seed-starting mixes because it retains moisture and provides a sterile environment for germination.
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It can be used alone or mixed with other materials like peat or compost.
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Rooting Cuttings:
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Vermiculite is an excellent medium for rooting cuttings because it holds moisture and provides a lightweight, airy environment for root development.
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Potting Mixes:
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It is commonly added to potting soils to improve drainage and moisture retention, particularly for container-grown plants.
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Hydroponics:
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Vermiculite is used in hydroponic systems as a growing medium due to its ability to hold water and nutrients while providing good aeration.
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Mulching:
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It can be used as a mulch to help retain soil moisture and regulate temperature.
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Composting:
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Vermiculite can be added to compost piles to improve aeration and moisture retention, speeding up the decomposition process.
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Other Uses of Vermiculite
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Insulation:
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Vermiculite is used as a loose-fill insulation material in attics and walls due to its fire-resistant and insulating properties.
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Note: Some vermiculite insulation may contain asbestos, so caution is advised when handling older insulation materials.
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Construction:
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It is used in lightweight concrete, plaster, and fireproofing materials.
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Vermiculite is also used in soundproofing applications.
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Packaging:
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Vermiculite is used as a lightweight, absorbent packaging material for fragile items, especially in the shipping of hazardous liquids.
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Industrial Applications:
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It is used as a filler in paints, coatings, and plastics.
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Vermiculite is also used in the production of brake linings and as a lubricant in certain industrial processes.
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Animal Feed Additive:
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In some cases, vermiculite is used as a carrier for nutrients in animal feed.
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Fireproofing:
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Due to its fire-resistant properties, vermiculite is used in fireproof safes, doors, and other fire protection systems.
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Properties of Vermiculite
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Lightweight: Expands when heated, making it easy to handle.
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Water Retention: Can hold 3-4 times its weight in water.
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Neutral pH: Does not alter soil pH, making it suitable for a wide range of plants.
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Sterile: Free from pests, diseases, and weed seeds.
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Non-Toxic: Safe for use in gardening and other applications.
Precautions
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Asbestos Contamination: Some vermiculite deposits, particularly those mined before the 1990s, may contain asbestos. Always ensure you are using horticultural-grade vermiculite from a reputable source.
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Dust Inhalation: When handling dry vermiculite, wear a mask to avoid inhaling dust particles.
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Overuse: Excessive use in soil can lead to waterlogging, so it should be used in moderation.
Vermiculite is a versatile material with a wide range of applications, particularly in horticulture, where it enhances soil structure and supports plant growth. Its insulating and fire-resistant properties also make it valuable in construction and industrial settings.
1. General Uses of Vermiculite in Gardening
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Soil Amendment: Vermiculite improves soil structure by increasing aeration and water retention. It is particularly useful in sandy soils that drain too quickly or clay soils that are too compact.
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Seed Starting: Vermiculite is ideal for starting seeds because it is sterile, retains moisture, and provides a light, airy medium for young roots to develop.
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Rooting Cuttings: It can be used as a medium for rooting cuttings, as it holds moisture well and prevents rot.
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Potting Mixes: Vermiculite is often added to potting mixes for houseplants, vegetables, and container gardens to improve drainage and moisture retention.
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Mulching: It can be used as a mulch to retain soil moisture and regulate temperature.
2. How to Use Vermiculite for Different Plants
A. Seed Starting
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Mix vermiculite with seed-starting soil or use it alone for germinating seeds.
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Sprinkle seeds on top of the vermiculite or mix them lightly into the surface.
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Keep the medium moist but not waterlogged.
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Once seedlings develop true leaves, transplant them into a soil mix.
B. Houseplants
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Add vermiculite to potting soil (about 1/3 vermiculite to 2/3 soil) to improve moisture retention and aeration.
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It is especially beneficial for plants that prefer consistently moist soil, such as ferns, peace lilies, and calatheas.
C. Vegetables
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For vegetables like tomatoes, peppers, and cucumbers, mix vermiculite into the soil at a ratio of 1:3 (vermiculite to soil) to improve root growth and water retention.
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Use vermiculite in container gardens to prevent soil compaction and ensure proper drainage.
D. Rooting Cuttings
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Fill a container with pure vermiculite or a mix of vermiculite and perlite.
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Insert cuttings into the medium and keep it moist.
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Vermiculite provides a sterile environment that encourages root development.
E. Lawns and Turf
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When establishing a new lawn, mix vermiculite into the topsoil to improve seed germination and root growth.
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Use a ratio of 1 part vermiculite to 4 parts soil.
F. Hydroponics
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Vermiculite can be used as a growing medium in hydroponic systems, either alone or mixed with perlite or coconut coir.
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It provides excellent support for roots and retains nutrients and moisture.
3. Tips for Using Vermiculite
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Moisture Management: Vermiculite retains water, so be careful not to overwater plants, especially those that prefer drier conditions (e.g., succulents or cacti).
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Mixing Ratios: Adjust the amount of vermiculite based on the plant's needs. For example, use more vermiculite for moisture-loving plants and less for drought-tolerant species.
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Sterility: Vermiculite is sterile, which reduces the risk of fungal or bacterial issues in seedlings and cuttings.
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Reusability: Vermiculite can be reused, but it should be sterilized before reuse to prevent disease.
4. Plants That Benefit Most from Vermiculite
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Moisture-Loving Plants: Ferns, peace lilies, and tropical plants.
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Vegetables: Tomatoes, peppers, cucumbers, and leafy greens.
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Seedlings and Cuttings: All types of plants during the propagation stage.
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Container Plants: Plants grown in pots or raised beds benefit from improved soil structure.
5. Precautions
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Avoid inhaling vermiculite dust, as it can irritate the lungs. Wear a mask when handling dry vermiculite.
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Ensure the vermiculite you purchase is asbestos-free, as some natural deposits may contain asbestos. Most commercial vermiculite is safe for gardening.
By incorporating vermiculite into your gardening practices, you can create a healthier growing environment for a wide variety of plants. Adjust the amount and method of use based on the specific needs of your plants and growing conditions.