Peat Moss vs Coco Coir

Peat Moss vs Coco Coir

Peat Moss vs Coco Peat

Gardening enthusiasts have long debated the merits of using peat moss or coconut coir as a growing medium for plants. Both materials have proven to be effective at retaining moisture and facilitating healthy plant growth. However, as concerns over sustainability and environmental impact have come to the forefront, many gardeners are starting to question which option is truly the most eco-friendly and sustainable.

In this article, we’ll take a closer look at peat moss vs coconut coir, examining the pros and cons of each to help you make an informed decision for your own gardening needs.

Peat moss vs coconut coir
Peat Excavation Site

Peat Moss

Peat moss has been used in gardening for centuries due to its ability to retain moisture, improve soil structure, and provide nutrients. It’s a familiar addition to soils and easy to find in most garden centers.


Excellent water retention capacity: Peat moss can hold water up to 20 times its weight, which makes it an excellent choice for plants that require constant moisture.

Improves soil quality: Peat moss is rich in organic matter, and when incorporated into the soil, it can improve the soil structure, texture, and nutrient content.

Acidifies soil: Peat moss is acidic in nature, which makes it an excellent soil amendment for acid-loving plants such as blueberries, azaleas, and rhododendrons.

Environmentally friendly: Peat is a renewable resource that is produced naturally in wetlands, and it can be harvested sustainably when done responsibly.


High cost: Peat moss can be expensive, especially if you need a large quantity to amend your soil.

Limited availability: Although peat moss is a renewable resource, it takes millennia to form, and it is only found in certain parts of the world.

Risk of pH imbalance: Overuse of peat moss can result in an overly acidic soil, which can negatively impact the growth of non-acid-loving plants.

Environmental impact: Peatlands are ecologically diverse habitats that serve as carbon sinks, and harvesting peat moss can lead to habitat destruction and greenhouse gas emissions.

Coconut coir vs peat moss
Coconut Husk

Coconut Coir

Coconut coir is a relatively new player in the gardening world but has quickly gained popularity due to its sustainability and unique properties.


Environmentally friendly: Coconut coir is made from the husk of coconuts which are a renewable resource. This makes it a more sustainable alternative to peat moss which is mined from sensitive bogs.

Water retention: Coconut coir has excellent water retention properties which can help ensure adequate soil moisture levels, promoting healthy plant growth.

pH neutral: Unlike peat moss which is acidic in nature, coconut coir is pH neutral which means it will not alter the pH level of the soil. This makes it an ideal medium for plants that require a specific pH range.

Good drainage: Coconut coir has good drainage properties which helps prevent water-logging and reduces the risk of root rot.

Great for air circulation: Coconut coir allows for adequate air circulation in the soil which encourages root development.


Low nutrient content: Coconut coir has a low nutrient content, so it may not be enough to sustain some plants.

Expensive: Coconut coir can be more costly than other soil mediums such as peat moss, which can be a disadvantage for those on a tight budget.

Potential salinity: Some coconut coir products may have an elevated salt level which could harm some plants.

May require additional components: Coconut coir may require additional components such as perlite or vermiculite in order to optimize its properties for plant growth.

Compaction: If the coconut coir is not properly fluffed and aerated, it may become compacted over time, reducing air circulation and negatively impacting plant growth.

In conclusion, both peat moss and coconut coir have their own unique benefits and drawbacks. Peat moss retains moisture well and is easy to find, but is less environmentally friendly. Coconut coir is renewable, sustainable, and pH neutral, but can be more expensive and difficult to find.

Ultimately, the choice between peat moss and coconut coir depends on your personal gardening needs and values. With this knowledge, you can make an informed decision and work towards creating a more sustainable and environmentally friendly garden.

Check out the recipe blow to make your own rooting mix using peat moss or coconut coir…..

Peat moss cutting mix

Cutting Mix Recipe

To make a rooting mix you will need the following ingredients:

1 part peat moss or coconut coir

1 part vermiculite

1 part perlite


  1. Combine the peat moss or coconut coir, vermiculite, and perlite in a large mixing bowl or bucket.
  2. Mix the ingredients together thoroughly using a plastic trowel or your hands.
  3. Slowly add water to the mixture until it feels moist, but not soggy.
  4. Transfer the starting mix to clean, sterilized seed trays or pots.
  5. Place your cuttings into the mix, and water gently.
  6. Place the trays or pots in a warm, well-lit area and keep the soil moist but not waterlogged.
  7. Once your cuttings have rooted and are growing new leaves you can transplant them to their new pots.

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