Sensitive Fern (Onoclea sensibilis) Onoclea sensibilis

Onoclea sensibilis, commonly known as the sensitive fern, is a native North American fern species with a distinctive appearance and growth habit.

Key features of Onoclea sensibilis:

Growth Habit: The sensitive fern is a deciduous, clumping perennial that typically reaches 1-2 feet in height.

Fronds: The plant produces two types of fronds - sterile, green fronds that are deeply lobed and lacy in appearance, and separate, brown, spore-bearing fertile fronds.

Habitat: Onoclea sensibilis prefers moist, shaded environments such as stream banks, wetlands, and damp woodlands.

Growing Conditions: This fern thrives in partial to full shade and consistently moist, well-drained soils. It is sensitive to drought and full sun exposure.

Ecological Value: The sensitive fern provides cover and nesting material for various wildlife, including birds and small mammals. It also has some medicinal uses.

Uses: Onoclea sensibilis makes an excellent addition to woodland gardens, shade gardens, and naturalized areas. Its unique fronds provide interesting textural contrast.

Overall, the sensitive fern is a low-maintenance, moisture-loving perennial that adds a touch of ancient, prehistoric charm to shaded garden settings.

• Dave's Garden
• Lady Bird Johnson Wildflower Center
• Missouri Botanical Garden
• USDA
• Wikipedia

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