Soil mix, use, relevance and how to choose it

Soil mix is a growth substrate that influences the development of plants, their root extension and correct nutrient intaketo answer their needs.

There are so many types of soil mixes, each with various quality grades, how should you go about it?

Plants all have different needs as regards their inputs, and the substrate they grow in also counts among the differences that make each unique in terms of cultivation.

What is soil mix made of?

Soil mix is a general term and many different “recipes” and “qualities” are included in this wording. Some ingredients stand out and are often used to prepare soil mix.

  • There’s brown peat, blond peat, compost made from various plant sources, perlite is added for sowing and cutting soil mix, or mud dredged from the bottom of marshes as a renewable resource.
  • Compositions vary from one manufacturer to the next, and quality varies accordingly.
  • Since peat isn’t a renewable resource (natural production cycles are thousands of years long), new materials are being developed such as Hortifibre or Brière black soil.
    Properties of these new materials are similar to those of peat but they are made from renewable resources.
    When you choose these, you’re doing your part in protecting the environment.

Advantages of soil mix for planting

Most plants can grow without soil mix, but making quality growth substrate available to them helps the grow and develop in ideal growth conditions, so they can reveal the best of what they can be.

Thanks to its nutritious content, soil mix gives plants the nutrients they need.

Compost from various plant sources such as bark or manure are included in the soil mix and act as true “boosters” for plants.

  • Soil mix manufacturers often add organic fertilizers to the mix to increase and extend this effect.
  • High water retention is a hallmark property, leading to sustained adequate moisture levels in the soil. Moisture helps carry over minerals that plants need to grow.
  • Finally, soil mix is designed to provide better aeration around the roots, which helps them spread for anchorage and allows for gaseous exchanges with the root system.

Which soil mix should be used, all-purpose, geranium, orchid, etc?

There are so many types of soil mix that it is sometimes bewildering to stroll around the aisles of horticulture stores, nurseries or supermarkets.

  • Truth be said, even though each soil mix does boast specific variations, the main culprit is marketing spin that tries to match each plant with its own soil mix.
  • The specific variations that each product boasts can’t justify the incredible amount of referenced products.
  • However, some major plant families do have significantly different needs in terms of soil mix.
    Mainly, these are heath plants, flower plants and geraniums, trees shrubs and rose trees, bonsai, indoor plants, Mediterranean plants, etc.

Composition and use of all-purpose soil mix

Well, sad to say, all-purpose soil mixes aren’t so versatile.

They are usually prepared from composted matter such as pine bark.

They are great for planting trees and shrubs, but are not at all suited to potted flower plants or heather plants. Heather plants require heath.

Trust level for various soil mixes

Generally, soil mix is trustworthy.

“All-purpose” and “planting” soil mixes are fine for planting trees, shrubs, flower plants and rose trees but repotting or certain plants such as bonsais, cactuses or orchids needs specific soil mix.

There are also many subcategories of soil mixes for Mediterranean plants, olive trees, palm trees, vegetable garden boxes, etc… Their differences are often not worth noting, but they will all usually have a positive impact on your plants.

Best season to use soil mix

Use of soil mix depends on the plants and their needs. Depending on the blooming season, and/or the dormant state, it makes sense to know when to use soil mix for the best impact.

  • Soil mix is used when you repot your indoor and outdoor potted plants, whether in pots or garden boxes.
  • It is also used when you prepare your seedlings or cuttings for flowers or vegetables.
  • When planting any plant in your garden, soil mix will help.
    – Planting trees and shrubs
    – Planting heather plants
    – Planting roses
  • Finally, soil mix serves to topdress your plants or lawn.
    Its is a great way to keep your plantations and lawn in good shape.

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