Maidenhair spleenwort is a delicate evergreen fern that defies its fragile appearance with surprising toughness. Found naturally across temperate North America, Europe, and Asia on rocky slopes and cliff faces, this species thrives in the cracks and crevices where other plants struggle. Hardy in zones 5 through 8, it reaches just 4 to 8 inches tall with fronds that stretch 9 to 12 inches wide, creating a compact mound of glossy, dark brown stems lined with tiny round leaflets. Once established in partial shade with moderate moisture, it becomes wonderfully self-sufficient, slowly naturalizing into rocky gardens and stone walls where it seems almost to disappear into the landscape.
Partial Shade
Moderate
5-8
8in H x 12in W
—
Moderate
Hover over chart points for details
The glossy, dark brown rachis (leaf stem) contrasts stunningly with the delicate pale green pinnae, creating a plant that catches light in unexpected ways. Its shallow rhizome system allows it to root directly into rocky soil and stone crevices where conventional ferns would fail. As an evergreen, it holds its elegant form through winter, and the low maintenance requirement means once you've positioned it correctly, you can mostly leave it alone to slowly expand.
Maidenhair spleenwort naturally finds its home in rock gardens, stone walls, and rocky slopes where it will slowly naturalize into established colonies. Its compact size and preference for shallow, rocky soils make it invaluable for gardeners working with difficult sites where deeper-rooted plants cannot anchor themselves. It thrives when planted directly into the mortar joints or crevices of retaining walls and rock outcroppings, softening hard edges while requiring virtually no soil amendment.
No timeline data available yet for this variety.
Divide established ferns in spring, planting the divided rhizomes into rocky, humus-rich soil. Position the shallow rhizomes so they sit just below the soil surface in rocky crevices or amended pockets of a rock garden.
Propagate from spores, though division is more practical for gardeners. Spores require cool, moist conditions and considerable patience.
Enter your ZIP code to see a personalized growing calendar for this plant.