Bluntlobe Cliff Fern

(Physematium obtusum)

Bluntlobe Cliff Fern (Physematium obtusum)

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Estimated Native Range
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Summary

Physematium obtusum, commonly known as Bluntlobe Cliff Fern, is a deciduous perennial herb that thrives in the moist, shaded environments of eastern North American forests, including the Eastern USA and Ontario. It typically grows to a height of 1-2 feet (0.3-0.6 meters) and a width of 2-3 feet (0.6-0.9 meters), forming dense clumps of arching fronds. The fronds are broad and have a somewhat leathery texture, with a distinctive blunt tip that gives the fern its common name. Bluntlobe Cliff Fern is not known for showy flowers but is valued for its lush, green foliage that adds texture to shaded garden areas.

This fern is an excellent choice for woodland gardens, shaded borders, and naturalized areas where it can form an attractive ground cover. It is relatively low maintenance, requiring little care once established in the right conditions. Bluntlobe Cliff Fern prefers consistently moist, well-drained soils rich in organic matter and thrives in part shade to full shade. While it is generally free from serious pests and diseases, it can suffer from root rot if the soil is too wet. It is not known to be invasive and is a good choice for gardeners looking to create a natural, forest-like setting.CC BY-SA 4.0

Plant Description

  • Plant Type: Fern
  • Height: 1-1.5 feet
  • Width: 2-2.5 feet
  • Growth Rate: Moderate
  • Flower Color: N/A
  • Flowering Season: Non-Flowering
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Part Shade, Full Shade
  • Water: Medium
  • Drainage: Medium

Common Uses

Low Maintenance, Potted Plant, Rock Garden

Natural Habitat

Moist, shaded environments of eastern North American forests

Other Names

Common Names: Blunt-Lobe Cliff Fern

Scientific Names: , Physematium obtusum,

GBIF Accepted Name: Physematium obtusum (Spreng.) Hook.