Athyrium filix-femina, the lady” fern is a large 2 to 4 foot deciduous plant that is often seen in great swathes in acid wetlands. Here is a plant for the untended spot in the lightly shaded but moist garden where a low maintenance colony is appropriate. It will spread and willingly seeds itself about. Fronds are light green and somewhat brittle. It is easily established in Zones 4 to 8.