How To Grow Sphagnum Moss

The world is full of different kinds of mosses, and one of the most well-known and useful is sphagnum moss. It can be purchased live or dry and in bulk and can be found growing in marshes and bogs. It can also be grown at home very easily.

How to Grow Sphagnum Moss

What is Sphagnum Moss?

Sphagnum moss is commonly referred to as peat moss and is made up of a genus of around 380 species of mosses. Living and dead sphagnum moss can hold large amounts of water and is commonly found growing in swamps and bogs. It is called a habitat manipulator because of its ability to change the landscape of where ever it grows. It can hold up to 26 its weight in water, so as it grows in a dry landscape, it can create a boggy marsh area.

Here's a post about hair cap moss for your garden, maybe you'll find this interesting.


peat moss (Sphagnum palustre), Sphagnum, or peat-moss Girgenzona (Sphagnum girgensohnii Russ), macro

Sphagnum moss grows in a tight cluster of branch fascicles around the main stem. These fascicles consist of a couple of spreading branches and a couple of hanging branches. The stem leaves vary in shape depending on the species but have small living green cells and large, clear, dead cells that can hold water.

Sphagnum Moss is most commonly found as a bright green color, but certain types are red, orange, and yellow as well. It does not grow very tall, being from less than a tenth of an inch to just over 3 inches in height.

Growing Sphagnum Moss

Sphagnum Moss green, How To Grow Sphagnum Moss

Sphagnum moss can grow .75 -4.75 inches per year. It prefers temperatures that range from 50 degrees to 70 degrees. In nature, it thrives in the boreal forests of North America.


Extreme closeup of healthy flower bulb growing in pot with damp sphagnum moss

  1. Fill a tray with a growing medium.
  2.  Add live pieces of moss on top of the medium. Dried moss can also be sued, but it takes much longer to grow.
  3. Fill the tray with rain or spring water up to the top of the growing medium
  4. Spritz moss with rain or spring water periodically to keep moist.
  5. Place in a shady, humid place
  6. Spray with foliar fertilizer once a month to encourage growth.


Sphagnum scientific name One side of the moss in the moss garden

  1. Choose a location that has plenty of water. Sphagnum moss can grow on anything given the proper conditions, but it will thrive in a bog-like environment. The temperature should stay between 50 and 70 degrees F.
  2. Cut your live moss into pieces approximately 1 inch in size.
  3. Plant your moss in a 1 to 10 ratio. Use one cutting for ten square feet.
  4. Mulch lightly to help retain moisture, but not so deeply that light can't reach the moss.
  5. Flood with rain or spring water periodically. If the tips of the moss look brown, it is time to water.

Types of Sphagnum Moss

There are four types of Sphagnum species:

Sphagnum Acutifolia

This type of peat moss is orange or red and forms above the water line. Its slender branches tend to grow tall and straight.

Sphagnum Cuspidata

Cuspidata is bright green in color and normally have uniform hanging stems. When dried the branches tend to bend backward.

Sphagnum Sphagnum

This moss has green leaves and red or brown branches. It is easy to recognize as it is the largest type of sphagnum moss and forms large hummocks and is the largest of the four.

Sphagnum Subsecundra

This type has round, swollen, curved branches and is often found in shades of copper, but also in green, red and yellow. It grows mostly in marshes.

Uses for Sphagnum Moss

Sphagnum or peat moss, also bog moss and quacker moss in the forest.

There a many uses for Sphagnum Moss:

  • Dried sphagnum moss is used in potting and gardening soil mixtures to add moisture retention to the soil.
  • It is also used as insulation in some areas in the Arctic.
  • Sphagnum moss is also used as dressing for wounds due to its absorptive and acidic nature. It inhibits the growth of bacteria.
  • Mushrooms like the damp atmosphere created by the moss which encourages their growth.
  • Use it as a soil topper for growing carnivorous plants and bonsai.
  • Sphagnum moss can be used in decorative terrariums.
  • Pack and ship live plants, roots, and seeds in it.

Plant Gallery

Bright and Airy

This beautifully colorful piece of Sphagnum Acutifolia is the perfect size to start a new batch of moss.


Super Spores

Sphagnum moss reproduces by spores that are spread by the breeze, helping to bring moss to new locations.


Grown in a Tray

Start your own batch of peat moss with small pieces of live moss in a tray much like this. With the proper conditions. you can soon have a tray full of bright green moss to use however you need.


Perfect for Orchids

Here dried sphagnum moss is used as a base for these gorgeous orchids. The plants can receive just the right amount of moisture by adding water to the moss as needed.

Holds in Moisture

Live sphagnum moss is often used at the base of another type of larger plant. It works as a mulch and helps keep the moisture in the soil.

Home Sweet Home

Moss can be used as the grass and shrubbery in an adorable diorama-styled terrarium.

Growing In the Wild

Sphagnum moss grows in the bogs of Scotland, and the resulting peat is a source of energy.

Carpet of Green

Bright stars of vivid green sphagnum moss create a soft carpet on the forest floor. Create the same effect in a shady corner of your garden.

A Vision of Contrast

Stunning purply-red sphagnum moss is paired with a bright green one to create the perfect backdrop for the darker green plant that is situated in the middle of the pot.

Moss by the Pound

Sphagnum moss is available in small or large quantities, depending on the purchaser's needs.

Start Small

When starting inside, use a small shallow tray or pot to get your moss off to a good start. This sample will soon be ready to transplant to a charming terraium or used to mulch a larger potted plant.

Growing in the Wild

Sphagnum Subsecundra grows in a variety of colors and looks beautiful in a wooded landscape.

Where to Buy Online

Live Plants

Greenery Factory offers on gallon pots of live sphagnum moss for you to use to start larger batches of moss, either inside or outdoors.

If you don't need that much moss, you can get a quart of live moss from Terrariums Vivarium.

Dried Sphagnum Moss

Josh's Frogs offers quart bags of dried sphagnum moss. Use this to pack plants, keep soil from washing away, and to hold in moisture in potting soil.



  1. I have really enjoyed reading your extensive article on spagnum moss! I was sent some of it along with a plant for my birthday but I wanted to keep the moss and grow it instead of just putting around the plant and now I know how to look after it thanks to you..and I will buy some foliar feed to feed it with, thank You once again! Xxx

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