There are many different forms of mushroom spawn as well as many different varieties that can be grown at home. Some mushroom spores are sold as plugs (the spores have been impregnated onto small dowels of wood) and these are used to grow mushrooms on logs. The most popular form of mushroom spawn is rye grain spawn, which is simply rye grain with the spores mixed together. You can also grow mushrooms from a spore-print, but this is a more complicated method as you have to grow them on a material like agar on a petri-dish and then transfer it to another suitable substrate.
These "mushroom patches" are mushroom spores mixed with grain that is used in beds in the garden. You simply select a suitable location, sprinkle the spawn over the chosen patch, and then water it according to the instructions. Not many mushrooms can be grown like this outdoors, but it is well worth giving it a go.
Blewitt Mushroom Patch
Buy - £29.95 at Gardening Express
Giant Morel Patch
Buy - £39.95 at Gardening Express
Wine Cap, King Stropharia or Giant Garden Mushrooms Patch
Buy - £29.95 at Gardening Express
To use this you need to drill some holes in a log which is a few months old and is preferably a type of hardwood such as birch, beech, ash. Hammer the plugs into the log and place it in a damp and shady place in your garden, keeping it moist (some people cover it with leaves/plastic to keep the moisture in). Mushrooms will hopefully form in several months time.
Oyster Mushroom Plugs
Buy - £17.99 at Thompson & Morgan
Shiitake Mushroom Plugs
Buy - £17.99 at Thompson & Morgan
Lions Mane Mushroom Plugs
Buy - £17.99 at Thompson & Morgan
Chicken Of The Woods Plugs
Buy - £15.94 at Gardening Express
Hen Of The Woods Plugs
Buy - £17.95 at Gardening Express
Reishi Plugs
Buy - £17.95 at Gardening Express
Conifer Coral Plugs
Buy - £17.95 at Gardening Express
Phoenix Fir Oyster Plugs
Buy - £17.95 at Gardening Express
For those of you who can't really be bothered with buying the individual pieces of kit needed to grow your own mushrooms you can simply buy one of these pre-prepared kits and follow the simple instructions enclosed.
Oyster Mushroom Grow Kit
Buy - £9.99 at Thompson & Morgan
Baby Button Mushroom Grow Kit
Buy - £5.99 at Thompson & Morgan
Shiitake Mushroom Grow Kit
Buy - £12.95 at Gardening Express
Chestnut Mushroom Grow Kit
Buy - £12.95 at Gardening Express
Oyster, Button And Chestnut Mushroom Grow Kit
Buy - £34.95 at Gardening Express