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Diplazium (dip-LAY-zee-um)

Common Name:  Glade fern

Light:  - Part shade to full shade

Soil:  Rich, moist but well-drained

Moisture:  Average to moist but drought tolerant

Zones:  4 - 8


Diplazium pycnocarpon

Diplazium Description and Cultural Information

Diplazium pycnocarpon (aka Athyrium pycnocarpon), glade fern, Tennessee ostrich fern. 24 - 40". Glade ferns have tall, narrow fronds with smooth, lance shaped leaves. The sterile fronds are slightly arching and the fertile fronds are taller and more erect. Glade ferns grow from short, creeping rhizomes and can be divided easily and are useful for naturalizing in the shade garden. They are easy to grow and relatively drought tolerant. Zones 4 - 8.

How to Grow:  Glade ferns grow best in average to rich, moist but well-drained soil in part to full shade. They spread slowly from short, creeping rhizomes and will form a nice colony after a few years. Rhizomes can be dug and cut in spring, replanting the horizontal sections just below the soil level. They are fairly drought tolerant but need good moisture to reach their potential.

Landscape uses:  Plant these ferns with hostas, spring bulbs, bleeding hearts, Pulmonaria, Kirengeshoma (yellow wax bells), or Tricyrtis. They work well as a backdrop to shorter plants or can be used naturalized in the woodland garden.

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