Athyrium Otophorum Okanum Japanese Fern
Athyrium Otophorum Okanum Japanese Fern
Athyrium Otophorum var. Okanum, commonly known as the Okanum ear fern, is a charming and distinctive fern species valued for its unique characteristics and ornamental appeal. Native to East Asia, particularly regions in China and Korea, this deciduous fern has gained popularity in gardens for its aesthetic qualities.
The Okanum ear fern is recognised for its finely textured fronds that exhibit a delicate and intricate appearance. The fronds are pinnate and emerge in a distinctive shuttlecock arrangement, creating a visually pleasing cluster. The unique feature that sets this fern apart is the small, ear-like lobes or auricles found at the base of each pinna (leaflet), providing an added touch of interest to the overall frond structure.
Cultivating Athyrium Otophorum requires attention to specific growing conditions. The fern thrives in partial to full shade, making it well-suited for woodland gardens, shaded borders, or areas with filtered light. It prefers well-draining soil with adequate moisture and is generally adaptable to different soil types.
The ornamental value of the Okanum ear fern extends beyond its frond structure. During the growing season, the fronds exhibit various shades of green, creating a lush and vibrant display. As a deciduous fern, it undergoes seasonal changes, with the fronds emerging in spring and maturing throughout the growing season before eventually fading in the fall.
You will receive 1 x
Common Name | |
Genus | |
Plant Form | |
Plant Type | |
Climate | Temperate |
Plant habitat | |
Sunlight | Partial shade |
Watering | Medium |
Flowering period | |
Flower Colour | |
Season of interest | Summer |
Foliage | Deciduous |
Hardiness Rating (RHS) | H5 (-15 to -10 °C) |
Soil type | Clay, loam, peat, sand. Tolerant of clay. |
Soil PH | Neutral-slightly acidic |
Size | Height: 50cm, Spread: 45cm |
Awards | |
Care notes | Easily divided in spring. Routine care, including the removal of old or damaged fronds in late autumn / early spring to promote the growth of new foliage. Mulching around the base aids in moisture retention and provides additional insulation. |