Ostrich Fern .... Matteuccia .... 200 Spores Ostrich Fern ..... 200+ Spores This listing is for 200+ spores from the Ostrich Fern, Matteuccia struthiopteris. The Ostrich Fern grows fronds up to 5-6 feet long at maturity, they like dappled shade and can tolerate a number of soil types, preferring a more acidic sandy loam. Planting Instructions - Spread the spores on the surface of a humus-rich sterilized soil and cover with plastic to retain moisture. For more detailed information please send me a message and I'll provide you with links to a selection of excellent step by step instructions.