500 OSTRICH FERN Matteuccia Struthiopteris Seeds Spores HARDINESS ZONE: 3 - 11 PLANT HEIGHT: 36 - 60 inches PLANT SPACING: 24 - 36 inches LIGHT REQUIREMENTS: Shade . . . SOIL / WATER: Average - Moist Ostrich Ferns are just the plant to add an air of grace and elegance to your shade garden! They grow quite large for ferns, and are the perfect companion plant for literally anything and everything you may wish to pair it with.