Organic growing soil

Certificates & quality
Organic Nature in the garden Organic gardening
Das Produkt Organic growing soil ist geeignet für: Grave, Grave soil, Cemetery, Seeds, Cannabis, Seed starting soil, Potting soil, Peat-free,
Packaging unit Price Quantity info
12 L (loose – self pick-up) € 3,00
20 L bag € 14,90
Big Bag (1 m³ – available by order only) € 212,00
1 m³ (loose) € 188,00
1 ton (loose – from 5 tons onwards) € 313,00

Our organic potting soil is ideal for sowing vegetables and flowers, as well as for subsequent transplanting of small plants. It has a very loose, airy structure, so that the roots do not break off easily during transplanting.

Please note: This soil retains water very well—even if it looks dry on the surface due to the added wood fibers, it is usually still sufficiently moist. Therefore, always check the moisture level before watering!

Once the plants start to grow leaves, this soil is too low in nutrients. Organic growing soil or organic tomato and vegetable soil is perfect for this next phase of cultivation.

There are very few peat-free growing soils on the market that really work. The combination of organic compost, wood fibers, and expanded clay granules ensures intensive root formation. The loose structure also makes this soil very pleasant to work with. The horn shavings it contains are a nitrogen fertilizer and are slowly decomposed by fungi. A white fungal network is therefore normal and indicates high biological activity.

Organic compost, wood fiber, expanded clay granulate, and horn shavings Screening: 8 mm Bulk density: 0.7 tons/m3

Product video

Growing Guide!

I always start sowing/growing in February. That's when the natural light conditions are already reasonably good and I no longer need artificial light.

Customer reviews

We are proud of the opinions about our products
We produce quality soil – mere biomass disposal is not enough for us. Humanity now knows it can intervene in nature, and each of us decides how our world will look tomorrow. We at Sonnenerde think that's great and have accepted the responsibility to treat the environment with respect.

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Our organic growing soil Bio Anzuchterde has been optimised, amongst other things, for use in a baling press. Its special composition ensures that the bales are sturdy whilst retaining a loose structure.

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Our organic growing soil Bio Anzuchterde is generally suitable for almost all types of vegetable, flower and herb seeds, with a few exceptions. For very fine seeds, such as begonias or lobelias, the texture may be slightly too coarse. Light-dependent seeds, such as basil, lettuce or poppies, must be sown on the surface and must not be covered with the Bio Anzuchterde.

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Pieces of wood are a natural component of our compost and do not constitute a quality defect. All our products are screened using a trommel screen during processing. A specific mesh size is used to remove coarser particles. However, individual pieces of wood may remain in the product if their diameter is smaller than the respective mesh size. This is due to technical constraints and is also a reflection of our conscious commitment to gentle, nature-friendly processing.

We firmly believe that plastics have no place in nature and therefore have no place in our soils either. That is why we invest a great deal of time, money and energy into keeping our products free from contaminants. We deeply regret it when, despite our best efforts, very occasional plastic particles find their way into our products.

In this regard, we would like to give you a brief insight into some of our quality assurance measures:

Selection of raw materials: We use only regional tree and shrub cuttings, as well as controlled sludge (e.g. from jam production and milk processing), to produce our compost. We have made a conscious decision not to use the contents of organic waste bins, as these contain vast quantities of packaging materials, plastic bags and other contaminants.

Inspection on delivery: Unfortunately, it is a widespread social problem that waste is often carelessly discarded in the natural environment. Consequently, tree and shrub cuttings are sometimes contaminated with plastic. The raw materials delivered are always checked by our staff for contaminants. Obvious contaminants such as plastic flower pots or similar items are sorted out by hand before processing. In cases of severe contamination, acceptance is consistently refused.

Technical processing: Despite careful raw material selection and inspection, we cannot entirely prevent isolated pieces of plastic from entering the raw material mix for our compost. To separate these particles before processing into the final product, the finished compost is sieved using a defined mesh size.

External quality controls: Our composts is inspected several times a year by external, independent testing bodies. A key component of these inspections is the sampling and laboratory analysis of the compost. The test results are published on our website to ensure the greatest possible transparency. The analysis also examines the compost for contaminants (see ‘Table 3: Test results for dietary fibre’). Compliance with the Austrian Compost Ordinance is certified in Chapter ‘4. Compost Assessment’ through classification into Quality Class A+ (our organic compost Bio Kompost) or Quality Class A (conventional compost). Plastics in particular are extremely difficult to separate due to their material properties (e.g. low weight, low resistance to mechanical stress, non-magnetic…). Even more intensive technical processing of our compost to separate the last, very isolated plastic particles (according to compost test results < 0.2%) is by no means proportionate to the associated environmental impacts (e.g. CO2 emissions from the additional energy consumption). As a company committed to environmental sustainability, we could not condone this. Furthermore, to our knowledge, there is currently no process that allows for the complete separation of plastics. We therefore ask that any plastic parts found be removed by hand. We would also be delighted to invite you to visit our premises in person to see for yourself. Once a year (on 1 May), as part of our open day, we even offer free guided tours with our CEO Gerald Dunst, during which all our work processes are demonstrated and explained. As a company dedicated to the sensible recycling and recovery of biogenic waste on a daily basis, we take our responsibility towards nature very seriously!

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A white fungal network in your soil is nothing to worry about; in fact, quite the opposite: all our soils thrive on an extremely diverse microbial ecosystem. Decomposing fungi are an important part of this system. They use the nitrogen from the horn shavings to produce their own fungal protein. The bound nitrogen is later mineralised, making it directly available to plants.

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It depends. If no other material is available, you can use grass clippings or straw. Whilst both materials do provide some protection for the soil, they also have a number of drawbacks. Grass clippings are usually still very damp and compact, and this often simply leads to rotting, especially if they are applied in a very thick layer. They should therefore be left to dry out before being spread. Furthermore, there is an increased risk of weeds sprouting from the grass clippings and spreading in the bed. Straw has a rather coarse texture and often floats to the surface when watered. Both materials also provide only a limited amount of nutrients, and only for a short time. Ideally, our organic fibre Bio Faser should be used for mulching. It is structurally stable, is not blown away by the wind and supplies the soil with nutrients.


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