- UP FOR SALE IS ATHYRIUM Athyrium Niponicum 'Regal red', spores, 1000 spores. - Regal red is one of the most fantastic ferns for its bright red color especially in spring when the new fronds curl open to reveal their maroon-red coloring then they age to red for the rest of the summer. A truly stunning fern. - They are clump forming plants with a spread of 2' wide and 1' tall with delicate, feathery leaves (fronds). They need humidity and regular to moist soil. - Here in Seattle, they get plenty of rain, so they are a no maintenance plant. If you live in a dry climate, plant them on the north side in shade, keep the soil moist and spray them often. Grow them outdoors only. - These ferns are deer and rabbit resistant and are not bothered by bugs, slugs or disease. - Perennial deciduous, hardy. - Zone: 5-9 - Sun: full shade to dappled shade. - Water: regular to moist. - Soil: rich, loamy, well-draining soil. - Height: 1' tall and 2' wide. - Bloom time: no flowers.