Plan the perfect garden with our interactive tool →

How to Grow a Plant With Charcoal

Many growers are familiar with the benefits of using soil additives such as peat moss and nitrogen when growing plants. Charcoal is another additive that has positive effects on plant life. It adds a source of carbon to plants, speeds water drainage, allows good air flow in the soil and inhibits the growth of bacteria and fungi. Horticultural charcoal is not the type of charcoal that you put in your grill. That type of charcoal has had chemicals added to it and can damage/kill your plants. Horticulture charcoal can be obtained at garden centers and plant nurseries.

Charcoal Option #1

Place charcoal in the bottom of a garden pot. While charcoal is porous, which means water can seep through it, avoid covering up the pot’s drainage hole. How much charcoal you put in the pot is dependent on the size of your pot. An average size pot that is 6 to 8 inches in diameter should have a 2-inch layer of charcoal placed in it.

  • Many growers are familiar with the benefits of using soil additives such as peat moss and nitrogen when growing plants.
  • While charcoal is porous, which means water can seep through it, avoid covering up the pot’s drainage hole.

Fill the rest of the pot with potting soil leaving 2 inches of space free of soil at the top of the pot.

Dig a hole for your seeds/plants. Place them in the hole and refill the hole with the potting soil.

Water your seeds/plants and plan to water them whenever the top layer of soil dries out.

Place the pot in an area where it can receive the required amount of sunlight.

Change out the charcoal whenever you re-pot your plant.

Charcoal Option #2

Mix 1 part horticulture charcoal and 2 parts of potting soil and mix together.

  • Fill the rest of the pot with potting soil leaving 2 inches of space free of soil at the top of the pot.
  • Water your seeds/plants and plan to water them whenever the top layer of soil dries out.

Place the mix into your pot leaving 2 inches of space free of soil at the top of the pot.

Dig a hole for your seeds/plants. Place them in the hole and refill the hole with the potting soil.

Water your seeds/plants and plan to water them whenever the top layer of soil dries out. Place the pot in an area where it can receive the required amount of sunlight.

Make a new potting mix of soil and charcoal whenever you change out your pot.

Tip

Many growers feel that the best results are obtained when the charcoal is mixed directly in with the potting soil, versus lining the bottom of the planting pot with charcoal. Whichever option you choose is up to you.

Related Articles

How to Build a Hydroponic System With Rubbermaid Tubs
How to Build a Hydroponic System With Rubbermaid Tubs
Are Chinese Palm Plants Poisonous to Cats?
Are Chinese Palm Plants Poisonous to Cats?
Importance of Water to Plants
Importance of Water to Plants
How Long Do Sequoia Trees Live?
How Long Do Sequoia Trees Live?
Do Geraniums Need Full Sun All Day?
Do Geraniums Need Full Sun All Day?
How to Grow Helleborus Indoors
How to Grow Helleborus Indoors
Container Size & Plant Growth
Container Size & Plant Growth
How to Grow Watercress Hydroponically
How to Grow Watercress Hydroponically
What Are the Dangers of Potting Soil?
What Are the Dangers of Potting Soil?
How to Pot Indoor Plants
How to Pot Indoor Plants
How to Look After a Japanese Lucky Bamboo
How to Look After a Japanese Lucky Bamboo
Garden Guides
×