Houseplant Care

Raising Ferns From Seed

Houseplant Care

Rupert Foxton-Smythe
September 25, 2025
0

Raising ferns from seed is a rewarding and surprisingly simple process that can be done even in a living room.

Comparatively few gardeners raise ferns from seed, though the operation is really quite simple, and can be carried through successfully even in a living room.

Key Information:

Raising ferns from seed is a simple process that can be done even in a living room. The spores, found on the underside of the frond, are too small to be seen individually but appear as brown dust.

Spores must be sown when fully ripe, by taking pieces of the frond and placing them right side up on prepared seed pans.
Use deep pans or pots with drainage material and fill with seed sowing compost, with more sand than usual.
After germination, pot out the young plants using a compost similar to that needed for adult plants, with emphasis on sand content.

Comparatively few gardeners raise ferns from seed, though the operation is really quite simple, and can be carried through successfully even in a living room. The seeds or spores, to be strictly accurate, are to be found on the underside of the frond. The spores are too minute to be visible individually to the naked eye, but can be seen as brown dust.

They must be sown when fully ripe, and the best way to do this is to wait until the ” dust” is ready to drop when the frond is touched, and then to take pieces of the frond and lay them, right side up, on prepared seed pans.

Use deep pans or pots, half full of drainage material, and then fill with the ordinary seed sowing compost, with perhaps rather more sand than usual, and made very fine on the surface. If brick or flower-pot, broken to pea size or smaller, can be used as drainage material, the pan can stand in an inch of water until the spores germinate. After this there is no difficulty in potting out and growing the young plants, provided a compost similar to that needed for adult plants is used, with a little emphasis on the amount of sand in it.

The question of heat depends of course on the ferns to be raised; hardy ferns need no artificial heat, while most of the ferns usually grown is rooms need a little bottom heat to start them on their way.

More Information on Raising Ferns From Seed

Raising ferns from seed is a fascinating process that can be easily done, even in the comfort of your own living room. While not a commonly practiced method among gardeners, it offers a rewarding experience and allows you to witness the entire lifecycle of a fern, from spore to mature plant.

The spores, which are the reproductive units of ferns, can be found on the underside of the fronds. Although they are too tiny to be seen individually, they appear as brown dust. To start the germination process, it is crucial to sow the spores when they are fully ripe. You can determine their readiness by gently touching the frond and observing if the dust is ready to drop.

Once you have collected the spores, the next step is to prepare the seed pans. Choose deep pans or pots and fill them halfway with drainage material to ensure proper water flow. Then, fill the rest of the pan with a seed sowing compost, preferably with a slightly higher sand content than usual. This will create an ideal environment for the spores to germinate. If available, you can place the pan in an inch of water to provide moisture until the germination occurs.

After germination, you can carefully pot out the young ferns into individual containers using a compost mixture similar to what adult ferns require. It is important to emphasize the amount of sand in the compost, as it helps provide the right conditions for their growth.

It is worth noting that the heat requirements for raising ferns vary depending on the species. Hardy ferns can thrive without artificial heat, while most ferns grown indoors benefit from a little bottom heat to kick-start their growth.

By raising ferns from seed, you not only gain a deeper understanding of these fascinating plants but also have the opportunity to witness their growth and development firsthand.

About The Author:

Rupert Foxton-Smythe

Horticulturist and avid plant enthusiast.

Rupert Foxton-Smythe is a seasoned horticulturist and avid plant enthusiast with over three decades of experience in the field of botany. As a leading expert at Houseplant Guru, Rupert brings a wealth of knowledge and a deep passion for all things green.