The main function of an orchid potting mix is to create an environment for the development of healthy roots. The potting mix you choose could literally be the life or death of your orchid. A potting mix that is conducive to a developing a healthy root mass will improve orchid growth, health and flowering.
“If you can concentrate on growing a healthy mass of roots, you are well on your way to growing good orchids.”
Plants grow through photosynthesis. Water is required for the photosynthesis reaction and as such a ready supply of water is a key to orchid growth. When the roots have access to water, hormones created by the roots travel upwards and provide a signal to the leaf stomata to open. This allows for carbon dioxide to be absorbed through the stomata and provide another ingredient required for photosynthesis.
Providing orchids with a regular supply of water is a key for initiating growth. Many orchid growers have discovered that keeping the potting mix evenly moist results in better growth over allowing the roots to dry out. You have to be careful not oversaturate the media which will cause the orchid roots to suffocate. Orchid roots require plenty of air and this means that we must choose a potting mix that will hold water without suffocating the roots.
Bio Leaf Premium Orchid Potting Mix has been designed to facilitate this watering process. It is an open medium that will allow air and high volumes of water to move freely over the roots without becoming waterlogged.
Under favourable conditions we expect our potting mix to remain viable for at least three years maybe more. This means that your orchids will have time to grow well before they need to be repotted.
This is a premium orchid potting mix which is a blend of quality hard orchid bark, tree fern fibre, hardwood charcoal and pumice. This potting mix can be used for most orchids. We have developed this substrate around three criteria:
Mix 1: Made from bark nuggets that are approximately 3 to 8 mm in size and is suitable for orchids growing in a 2”-3” pot size.
Mix 2: Made from bark nuggets that are approximately 8 to 20 mm in size and is suitable for orchids growing in a 4”-8” pot size.
Please contact us should you need a potting medium using different size nuggets.
The thickness of the plant's roots can be used to determine the grade or size of potting material to use. Mix 1 can be used for fine rooted orchids, orchids that require more moisture and Mix 2 can be used for orchids that have thicker roots or for orchids that require less moisture.
A good rule to follow with orchids is, thicker roots are able to store more water and require less watering compared to orchids that have thinner roots and will require more frequent watering.
Provides the structure for the roots to grow into. This is rated by many orchid growers as one of the best orchid barks available. The bark is sourced from 25-year-old trees, which allows the bark enough time to thicken and ‘harden up’. This means it will take longer to break down.
The bark is clean and has low levels of contamination from litter such as cambium, wood pieces and soil.
We add Fernwood Tree Fern Fibre to improve the moisture holding properties plus the benefits of tree fern brings to orchid potting mixes.
The charcoal is made from hardwood and is petroleum-free. We do not use activated charcoal. Activated charcoal may absorb more fertiliser compared to normal charcoal. Charcoal helps to keep the mix “sweet” and helps with removing impurities, as well as keeping the mixture open. The charcoal will also absorb moisture onto its surface. Charcoal also has antibacterial and antifungal properties.
Pumice helps to keep the mixture open air flow and absorbs some moisture.
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