It is a deciduous herbaceous plant which produces separate fertile and sterile fronds. The sterile fronds are spreading, 24-60 inches and 12-16 inch broad, bipinnate, with 7-9 pairs of pinnae up to 12 inches long, each pinna with 7-13 pairs of pinnules 1-2.5 inches long and .5-.75 inches broad. The fertile fronds are erect and shorter, 8-20 inches tall, usually with 2-3 pairs of sterile pinnae at the base, and 7-14 pairs of fertile pinnae above bearing the densely-clustered sporangia. The name derives from its being one of the largest and most imposing European ferns. In many areas, it has become rare as a result of wetland drainage for agriculture. Ferns prefer shade with indirect sunlight and high humidity. Moist, well-drained soil.
|Bloom Time||Late Spring-Late Summer
|Sun Requirements||Partial Shade|
|Type/Size||#1 heavy clump|
|Hardiness Zone||3, 4, 5, 6, 7, 8|
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