In the world of indoor Cannabis cultivation, substrate is a topic that's essential for home growers to understand. Substrate is essentially the foundation that plants grow in and so it’s important to make the right decision when choosing it. There are many factors to consider when choosing a cannabis substrate, such as cost, availability and performance. In this article, we’ll discuss the best choices for cannabis growing substrates and explain why they can make or break your grow.

Coconut Coir One of the most popular cannabis growing substrates is coconut coir. This substrate is made from the fibres of coconuts, so it’s both organic and sustainable. It’s a lightweight and highly aerated material, which makes it easy to manage and care for. Coir is also known for its high water retention, meaning your plants won’t dry out easily. This makes it a great choice for novice gardeners.

Perlite: Perlite is a common substrate for cannabis plants, particularly for hydroponic systems. This is because it’s extremely light, allowing for easier nutrient absorption and better aeration. It also has natural properties such as great water drainage and pH regulation, which makes it an ideal choice for hydroponics.

Peat moss: Peat moss is another popular substrate for cannabis plants. It is a lightweight, renewable resource, with a high water retention capacity and balanced pH level, which makes it perfect for indoor cannabis cultivation. It also provides adequate aeration and drainage, while keeping the soil moist and reducing the risk of over-watering.

Soil: Soil is the classic substrate choice for growing cannabis outdoors, as it provides all the nutrients needed for a successful grow